917.371521 - Drill Craftsman - Free user manual and instructions

Product Type	Drill
Brand	Craftsman
Model	917.371521
Power Source	Corded Electric (120V AC)
Chuck Size	3/8 inch
Speed Settings	Variable speed (0-1200 RPM)
Forward/Reverse	Yes
Keyless Chuck	Yes
Weight	4 lbs (1.8 kg)
Dimensions (Length)	10.5 inches
Key Functions	Drilling in wood, metal, plastic; driving screws
Safety Features	Lock-on button, double insulation
Maintenance	Clean vents regularly; inspect power cord for damage
Spare Parts	Carbon brushes, chuck assembly
Warranty	1 year limited

Frequently Asked Questions - 917.371521 Craftsman

How do I change the drill bit?

Open the keyless chuck by rotating the sleeve counterclockwise, insert the bit, then tighten by rotating clockwise until secure.

Why is my drill not starting?

Check that the power cord is plugged into a working outlet. Also inspect the carbon brushes - if worn, they need replacement.

Can I use this drill for masonry?

Yes, with a masonry bit. Use a slow speed and apply steady pressure to avoid overheating.

How do I reverse the drill direction?

Use the forward/reverse switch located above the trigger. Slide it to the opposite side for reverse rotation.

What speed should I use for different materials?

For wood, use high speed. For metal or plastic, use low speed to prevent overheating or melting.

How to maintain the drill?

After each use, wipe the drill clean, especially the vents. Periodically lubricate the chuck with light oil.

What is the maximum drilling capacity?

The drill can handle up to 1/2 inch in wood and 3/8 inch in metal with appropriate bits.

Why does the drill spark inside?

Some sparking from the motor brushes is normal. If excessive, the brushes may need replacement.

Can I use an extension cord?

Yes, use a grounded extension cord rated for the drill's amps and length; avoid light-duty cords.

How do I lock the trigger for continuous use?

Press the lock-on button located on the trigger handle while squeezing the trigger, then release the trigger to keep it running.

USER MANUAL 917.371521 Craftsman

ROTARY LAWN MOWER

625 Series Briggs & Stratton Engine 21" Multi-Cut

Model No. 917.371521

- Español, p. 18

Line drawing of a lawn mower with open lid and wheels (no text or symbols)

CAUTION:

Read and follow all Safety Rules and Instructions before operating this equipment

Sears, Roebuck and Co., Hoffman Estates, IL 60179 U.S.A. Visit our Craftsman website: www.sears.com/craftsman

TABLE OF CONTENTS

Warranty 2

Safety Rules 2-4

Product Specifications 4

Assembly / Pre-Operation 6

Operation....7-10

Maintenance Schedule 11

Maintenance 11-13

Service and Adjustments....14

Storage 15-16

Troubleshooting 16-17

Repair Parts 34-39

Sears Service .... Back Cover

WARRANTY

2-YEAR FULL WARRANTY ON CRAFTSMAN LAWN MOWER

If this Craftsman Lawn Mower fails due to manufacturer defects in material or workmanship within two years from the date of purchase, return it to any Sears store, Parts & Repair Center or other Craftsman outlet for free repair (or replacement if repair proves impossible).

This warranty applies for only 90 days from the date of purchase if this Lawn Mower is ever used for commercial or rental purposes.

This warranty does not cover:

- Expendable items that become worn during normal use, such as rotary mower blades, blade adapters, belts, air cleaners and spark plug.

- Repairs necessary because of operator abuse or negligence, including bent crackshafts and the failure to assemble, operate or maintain this Lawn Mower according to all supplied product instructions.

This warranty applies only while this product is used in the United States.

This warranty gives you specific legal rights, and you may also have other rights which vary from state to state.

Sears, Roebuck and Co., Hoffman Estates, IL 60179

SAFETY RULES

IMPORTANT: This cutting machine is capable of amputating hands and feet and throwing objects. Failure to observe the following safety instructions could result in serious injury or death.

Look for this symbol to point out important safety precautions. It means CAUTION!!! BECOME ALERT!!! YOUR SAFETY IS INVOLVED.

⚠ WARNING: In order to prevent accidental starting when setting up, transporting, adjusting or making repairs, always disconnect spark plug wire and place wire where it cannot come in contact with plug.

⚠WARNING: Engine exhaust, some of its constituents, and certain vehicle components contain or emit chemicals known to the State of California to cause cancer and birth defects or other reproductive harm.

⚠WARNING: Battery posts, terminals and related accessories contain lead and lead compounds, chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Wash hands after handling.

⚠️ CAUTION: Muffler and other engine parts become extremely hot during operation and remain hot after engine has stopped. To avoid severe burns on contact, stay away from these areas.

I. GENERAL OPERATION

- Read, understand, and follow all instructions on the machine and in the manual(s) before starting. Be thoroughly familiar with the controls and the proper use of the machine before starting.

- Do not put hands or feet near or under rotating parts. Keep clear of the discharge opening at all times.

- Only allow responsible individuals, who are familiar with the instructions, to operate the machine.

- Clear the area of objects such as rocks, toys, wire, bones, sticks, etc., which could be picked up and thrown by blade.

- Be sure the area is clear of other people before mowing. Stop machine if anyone enters the area.

- Do not operate the mower when barefoot or wearing open sandals. Always wear substantial foot wear.

- Do not pull mower backwards unless absolutely necessary. Always look down and behind before and while moving backwards.

- Never direct discharged material toward anyone. Avoid discharging material against a wall or obstruction. Material may richochet back toward the operator. Stop the blade when crossing gravel surfaces.

- Do not operate the mower without proper guards, plates, grass catcher or other safety protective devices in place.

- See manufacturer's instructions for proper operation and installation of accessories. Only use accessories approved by the manufacturer.

- Stop the blade(s) when crossing gravel drives, walks, or roads.

- Stop the engine (motor) whenever you leave the equipment, before cleaning the mower or unclogging the chute.

- Shut the engine (motor) off and wait until the blade comes to complete stop before removing grass catcher.

- Mow only in daylight or good artificial light.

- Do not operate the machine while under the influence of alcohol or drugs.

- Never operate machine in wet grass. Always be sure of your footing: keep a firm hold on the handle; walk, never run.

- Disengage the self-propelled mechanism or drive clutch on mowers so equipped before starting the engine.

- If the equipment should start to vibrate abnormally, stop the engine (motor) and check immediately for the cause. Vibration is generally a warning of trouble.

• Always wear safety goggles or safety glasses with side shields when operating mower.

II. SLOPE OPERATION

Slopes are a major factor related to slip & fall accidents which can result in severe injury. All slopes require extra caution. If you feel uneasy on a slope, do not mow it.

DO:

- Mow across the face of slopes: never up and down. Exercise extreme caution when changing direction on slopes.

- Remove obstacles such as rocks, tree limbs, etc.

- Watch for holes, ruts, or bumps. Tall grass can hide obstacles.

DO NOT:

- Do not trim near drop-offs, ditches or embankments. The operator could lose footing or balance.

- Do not trim excessively steep slopes.

- Do not mow on wet grass. Reduced footing could cause slipping.

III. CHILDREN

Tragic accidents can occur if the operator is not alert to the presence of children. Children are often attracted to the machine and the mowing activity. Never assume that children will remain where you last saw them.

- Keep children out of the trimming area and under the watchful care of another responsible adult.

- Be alert and turn machine off if children enter the area.

• Before and while walking backwards, look behind and down for small children.

- Never allow children to operate the machine.

- Use extra care when approaching blind corners, shrubs, trees, or other objects that may obscure vision.

IV. SAFE HANDLING OF GASOLINE

Use extreme care in handling gasoline. Gasoline is extremely flammable and the vapors are explosive.

- Extinguish all cigarettes, cigars, pipes and other sources of ignition.

- Use only an approved container.

- Never remove gas cap or add fuel with the engine running. Allow engine to cool before refueling.

- Never refuel the machine indoors.

- Never store the machine or fuel container where there is an open flame, spark or pilot light such as a water heater or on other appliances.

• Never fill containers inside a vehicle, on a truck or trailer bed with a plastic liner. Always place containers on the ground away from your vehicle before filling.
• Remove gas-powered equipment from the truck or trailer and refuel it on the ground. If this is not possible, then refuel such equipment with a portable container, rather than from a gasoline dispenser nozzle.
• Keep the nozzle in contact with the rim of the fuel tank or container opening at all times until fueling is complete. Do not use a nozzle lock-open device.
• If fuel is spilled on clothing, change clothing immediately.
• Never overfill fuel tank. Replace gas cap and tighten securely.

V. GENERAL SERVICE

• Never run a machine inside a closed area.

• Never make adjustments or repairs with the engine (motor) running. Disconnect the spark plug wire, and keep the wire away from the plug to prevent accidental starting.

• Keep nuts and bolts, especially blade attachment bolts, tight and keep equipment in good condition.

• Never tamper with safety devices. Check their proper operation regularly.
• Keep machine free of grass, leaves, or other debris build-up. Clean oil or fuel spillage. Allow machine to cool before storing.
• Stop and inspect the equipment if you strike an object. Repair, if necessary, before restarting.
• Never attempt to make wheel height adjustments while the engine is running
• Grass catcher components are subject to wear, damage, and deterioration, which could expose moving parts or allow objects to be thrown. Frequently check components and replace with manufacturer's recommended parts, when necessary.
• Mower blades are sharp and can cut. Wrap the blade(s) or wear gloves, and use extra caution when servicing them.
• Do not change the engine governor setting or overspeed the engine.
• Maintain or replace safety and instruction labels, as necessary.

⚠ WARNING: This lawn mower is equipped with an internal combustion engine and should not be used on or near any unimproved forest-covered, brush-covered or grass-covered land unless the engine's exhaust system is equipped with a spark arrester meeting applicable local or state laws (if any). If a spark arrester is used, it should be maintained in effective working order by the operator. In the state of California the above is required by law (Section 4442 of the California Public Resources Code). Other states may have similar laws. Federal laws apply on federal lands. A spark arrester for the muffler is available through your nearest Sears Parts & Repair Center (See the REPAIR PARTS section of this manual).

PRODUCT SPECIFICATIONS

Serial Number:
Date of Purchase:
Gasoline Capacity / Type:	1.6 Quarts (Unleaded Regular)
Oil Type (API SG-SL):	SAE 30 (above 32°F); SAE 5W-30 (below 32°F)
Oil Capacity:	20 Ounces
Spark Plug (Gap: .030")	Champion RJ19LM or J19LM
Blade Bolt Torque:	35-40 ft. lbs.
• The model and serial numbers will be found on a decal on the rear of the lawn mower housing. Record both serial number and date of purchase in space provided above.

Repair Protection Agreements

Congratulations on making a smart purchase. Your new Craftsman® product is designed and manufactured for years of dependable operation. But like all products, it may require repair from time to time. That's when having a Repair Protection Agreement can save you money and aggravation.

Purchase a Repair Protection Agreement now and protect yourself from unexpected hassle and expense.

Here's what's included in the Agreement:

• Expert service by our 12,000 professional repair specialists.
• Unlimited service and no charge for parts and labor on all covered repairs.
- Product replacement if your covered product can't be fixed.
- Discount of 10% from regular price of service and service-related parts not covered by the agreement; also, 10% off regular price of preventive maintenance check.

- Fast help by phone – phone support from a Sears representative on products requiring in-home repair, plus convenient repair scheduling.

Once you purchase the Agreement, a simple phone call is all that it takes for you to schedule service. You can call anytime day or night, or schedule a service appointment online.

Sears has over 12,000 professional repair specialists, who have access to over 4.5 million quality parts and accessories.

That's the kind of professionalism you can count on to help prolong the life of your new purchase for years to come. Purchase your Repair Protection Agreement today!

Some limitations and exclusions apply. For prices and additional information call 1-800-827-6655.

Sears Installation Service

For Sears professional installation of home appliances, garage door openers, water heaters, and other major home items, in the U.S.A. call 1-800-4-MY-HOME®.

ACCESSORIES

These accessories were available when this lawn mower was produced. They are not shipped with your mower. They are also available at most Sears retail outlets and service centers. Some of these accessories may not apply to your lawn mower.

LAWN MOWER PERFORMANCE

	CLIPPING DEFLECTORS FOR REAR DISCHARGE LAWN MOWERS		STABILIZER		GASCANS
	GRASS CATCHERS FOR REAR DISCHARGE LAWN MOWERS			GRASS CATCHERS FOR SIDE DISCHARGE LAWN MOWERS

Engine Power Rating Information

The gross power rating for individual gas engine models is labeled in accordance with SAE (Society of Automotive Engineers) code J11940 (Small Engine Power & Torque Rating Procedure), and rating performance has been obtained and corrected in accordance with SAE J1995 (Revision 2002-5). Actual gross engine power will be lower and is affected by, among other things, ambient operating conditions and engine-to-engine variability. Given both the wide array of products on which engines are placed and the variety of environmental issues applicable to operating the equipment, the gas engine will not develop the rated gross power when used in a given piece of power equipment (actual "on-site" or net horsepower). This difference is due to a variety of factors including, but not limited to, accessories (air cleaner, exhaust, charging, cooling, carburetor, fuel pump, etc.), application limitations, ambient operating conditions (temperature, humidity, altitude), and engine-to-engine variability. Due to manufacturing and capacity limitations, Briggs & Stratton may substitute an engine of higher rated power for this Series engine.

Read these instructions and this manual in its entirety before you attempt to assemble or operate your new lawn mower.

IMPORTANT: This lawn mower is shipped WITHOUT OIL OR GASOLINE in the engine.

Your new lawn mower has been assembled at the factory with the exception of those parts left unassembled for shipping purposes. To ensure safe and proper operation of your lawn mower, all parts and hardware you assemble must be tightened securely. Use the correct tools as necessary to ensure proper tightness. All parts such as nuts, washers, bolts, etc., necessary to complete the assembly have been placed in the parts bag.

TO REMOVE MOWER FROM CARTON

1. Remove loose parts included with mower.
2. Cut down two end corners of carton and lay end panel down flat.
3. Remove all packing materials except padding between upper and lower handle and padding holding operator presence control bar to upper handle.
4. Roll lawn mower out of carton and check carton thoroughly for additional loose parts.

HOW TO SET UP YOUR MOWER TO UNFOLD HANDLE

IMPORTANT: Unfold handle carefully so as not to pinch or damage control cables.

1. Raise handles until lower handle section locks into place in mowing position.
2. Remove protective padding, raise upper handle section into place on lower handle and tighten both handle knobs.
3. Remove handle padding holding operator presence control bar to upper handle.

Your lawn mower handle can be adjusted for your mowing comfort. Refer to "AD-JUST HANDLE" in the Service and Adjustments section of this manual.

TO ASSEMBLE GRASS CATCHER

1. Put grass catcher frame into grass bag with rigid part of bag on the bottom. Make sure the frame handle is outside of the bag top.

2. Slip vinyl bindings over frame.

NOTE: If vinyl bindings are too stiff, hold them in warm water for a few minutes. If bag gets wet, let it dry before using.

TO INSTALL ATTACHMENTS

Your lawn mower was shipped ready to be used as a mulcher. To convert to bagging or discharging, see "TO CONVERT MOWER"

6 in the Operation section of this manual.

OPERATION

KNOW YOUR LAWN MOWER

READ THIS OWNER'S MANUAL AND ALL SAFETY RULES BEFORE OPERATING YOUR LAWN MOWER. Compare the illustrations with your lawn mower to familiarize yourself with the location of various controls and adjustments. Save this manual for future reference.

These symbols may appear on your lawn mower or in literature supplied with the product. Learn and understand their meaning.

CAUTION OR WARNING

ENGINE ON

ENGINE OFF

FAST

SLOW

CHOKE

FUEL

OIL

DANGER, KEEP HANDS AND FEET AWAY

MEETS CPSC SAFETY REQUIREMENTS

Sears rotary walk-behind power lawn mowers conform to the safety standards of the American National Standards Institute and the U.S. Consumer Product Safety Commission. The blade turns when the engine is running.

Operator presence control bar – must be held down to the handle to start the engine. Release to stop the engine.

Mulcher door – allows conversion to discharging or bagging operation.

Starter handle – used for starting engine.

Primer – pumps additional fuel from the carburetor to the cylinder for use when starting a cold engine.

The operation of any lawn mower can result in foreign objects thrown into the eyes, which can result in severe eye damage. Always

wear safety glasses or eye shields while operating your lawn mower or performing any adjustments or repairs. We recommend a standard safety glasses or wide vision safety mask worn over spectacles.

HOW TO USE YOUR LAWN MOWER ENGINE SPEED

Engine speed was set at the factory for optimum performance. It is not adjustable.

ENGINE ZONE CONTROL

CAUTION: Federal regulations require an engine control to be installed on this lawn mower in order to minimize the risk of blade contact injury. Do not under any circumstances attempt to defeat the function of the operator control. The blade turns when the engine is running.

- Your lawn mower is equipped with an operator presence control bar which requires the operator to be positioned behind the lawn mower handle to start and operate the lawn mower.

Raise wheels for low cut and lower wheels for high cut, adjust cutting height to suit your requirements. Medium position is best for most lawns.

- To change cutting height, squeeze adjuster lever toward wheel. Move wheel up or down to suit your requirements. Be sure all wheels are in the same setting.

NOTE: Adjuster is properly positioned when plate tab inserts into hole in lever. Also, 9-position adjusters (if so equipped) allow lever to be positioned between the plate tabs.

Illustration of hands adjusting a tire with a valve (no text or symbols)

LEVER FORWARD TO RAISE MOWER Lever

TO CONVERT MOWER

Your lawn mower was shipped ready to be used as a mulcher. To convert to bagging or discharging:

REAR BAGGING

- Lift rear door of the lawn mower and place the grass catcher frame hooks onto the door pivot pins.

• To convert to mulching or discharging operation, remove grass catcher and close rear door.

SIDE DISCHARGING

• Rear door must be closed.
• Open mulcher door and install discharge deflector under door as shown.
• Mower is now ready for discharging operation.
• To convert to mulching or bagging operation, discharge deflector must be removed and mulcher door must be closed.

SIMPLE STEPS TO REMEMBER WHEN CONVERTING YOUR LAWN MOWER

FOR MULCHING -

1. Rear door closed.
2. Mulcher door closed.
   FOR REAR BAGGING -
3. Grass catcher installed.
4. Mulcher door closed.

1. Rear door closed.
2. Discharge deflector installed.

CAUTION: Do not run your lawn mower without rear door closed, clipping deflector or approved grass catcher in place. Never attempt to operate the lawn mower with the rear door removed or propped open.

1. Lift up on grass catcher using the frame handle.
2. Remove grass catcher with clippings from under lawn mower handle.
3. Empty clippings from bag.

NOTE: Do not drag the bag when emptying; it will cause unnecessary wear.

BEFORE STARTING ENGINE ADD OIL

Your lawnmower is shipped without oil in the engine. For type and grade of oil to use, see "ENGINE" in the Maintenance section of this manual.

CAUTION: DO NOT overfill engine with oil, or it will smoke heavily from the muffler on startup.

1. Be sure lawnmower is level.
2. Remove oil dipstick from oil fill spout.
3. You receive a container of oil with the unit. Slowly pour the entire container down the oil fill spout into the engine.

NOTE: Initial oil fill requires only 18 oz. due to residual oil in engine from the manufacturers 100% quality testing. When changing oil you may need 20 oz.

1. Insert and tighten dipstick.

IMPORTANT:

- Check oil level before each use. Add oil if needed. Fill to full line on dipstick.

- Change the oil after every 25 hours of operation or each season. You may need to change the oil more often under dusty, dirty conditions. See "TO CHANGE ENGINE OIL" in the Maintenance section of this manual.

ADD GASOLINE

- Fill fuel tank to bottom of tank filler neck. Do not overfill. Use fresh, clean, regular unleaded gasoline with a minimum of 87 octane. Do not mix oil with gasoline. Purchase fuel in quantities that can be used within 30 days to assure fuel freshness.

CAUTION: Wipe off any spilled oil or fuel. Do not store, spill or use gasoline near an open flame.

CAUTION: Alcohol blended fuels (called gasohol or using ethanol or methanol) can attract moisture which leads to separation and formation of acids during storage. Acidic gas can damage the fuel system of an engine while in storage. To avoid engine problems, the fuel system should be emptied before storage of 30 days or longer. Empty the gas tank, start the engine and let it run until the fuel lines and carburetor are empty. Use fresh fuel next season. See Storage Instructions for additional information. Never use engine or carburetor cleaner products in the fuel tank or permanent damage may occur.

TO STOP ENGINE

- To stop engine, release operator presence control bar.

TO START ENGINE

NOTE: Due to protective coatings on the engine, a small amount of smoke may be present during the initial use of the product and should be considered normal.

1. To start a cold engine, push primer three (3) times before trying to start. Use a firm push. This step is not usually necessary when starting an engine which has already run for a few minutes.

2. Hold operator presence control bar down to the handle and pull starter handle quickly. Do not allow starter rope to snap back.

NOTE: In cooler weather it may be necessary to repeat priming steps. In warmer weather over priming may cause flooding and engine will not start. If you do flood engine, wait a few minutes before attempting to start and do not repeat priming steps.

MOWING TIPS

CAUTION: Do not use de-thatcher blade attachments on your mower. Such attachments are hazardous, will damage your mower and could void your warranty.

- Under certain conditions, such as very tall grass, it may be necessary to raise the height of cut to reduce pushing effort and to keep from overloading the engine and leaving clumps of grass clippings. It may also be necessary to reduce ground speed and/or run the lawn mower over the area a second time.

- For extremely heavy cutting, reduce the width of cut by overlapping previously cut path and mow slowly.

- For better grass bagging and most cutting conditions, the engine speed should be set in the FAST position.

- Pores in cloth grass catchers can become filled with dirt and dust with use and catchers will collect less grass. To prevent this, regularly hose catcher off with water and let dry before using.

- Keep top of engine around starter clear and clean of grass clippings and chaff. This will help engine air flow and extend engine life.

MULCHING MOWING TIPS

IMPORTANT: For best performance, keep mower housing free of built-up grass and trash. See "CLEANING" in the Maintenance section of this manual.

- The special mulching blade will recut the grass clippings many times and reduce them in size so that as they fall onto the lawn they will disperse into the grass and not be noticed. Also, the mulched grass will biodegrade quickly to provide nutrients for the lawn. Always mulch with your highest engine (blade) speed as this will provide the best recutting action of the blades.

- Avoid cutting your lawn when it is wet. Wet grass tends to form clumps and interferes with the mulching action. The best time to mow your lawn is the early afternoon. At this time the grass has dried, yet the newly cut area will not be exposed to direct sunlight.

- For best results, adjust the lawn mower cutting height so that the lawn mower cuts off only the top one-third of the grass blades. If the lawn is overgrown it will be necessary to raise the height of cut to reduce pushing effort and to keep from overloading the engine and leaving clumps of mulched grass. For extremely heavy grass, reduce your width of cut by overlapping previously cut path and mow slowly.

- Certain types of grass and grass conditions may require that an area be mulched a second time to completely hide the clippings. When doing a second cut, mow across (perpendicular) to the first cut path.

- Change your cutting pattern from week to week. Mow north to south one week then change to east to west the next week. This will help prevent matting and graining of the lawn.

MAINTENANCE

MAINTENANCE SCHEDULE		BEFORE EACH USE	AFTER EACH USE	EVERY 10 HOURS	EVERY 25 HOURS OR SEASON	EVERY 100 HOURS	BEFORE STORAGE
LAWN MOWER	Check for Loose Fasteners	√					√
	Clean / Inspect Grass Catcher *	√	√				√
	Check Tires	√
	Check Drive Wheels ***	√
	Clean Lawn Mower ****		√				√
	Clean under Drive Cover ***			√
	Check Drive Belt / Pulleys ***				√
	Check / Sharpen / Replace Blade				√3
	Lubrication				√
	Clean and Recharge Battery **				√		√4
ENGINE	Check Engine Oil level	√5
	Change Engine Oil				√1,2
	Clean Air Filter				√2
	Inspect Muffler				√
	Replace Spark Plug					√
	Replace Air Filter Paper Cartridge					√2
	Empty fuel system or add Stabilizer						√

* (if so equipped)

** Electric-Start mowers

*** Power-Propelled mowers

**** Use a scraper

to clean under deck

1 - Change more often if operating under a heavy load or in high outdoor temperatures.

2 - Service more often if operating in dirty or dusty conditions.

3 - Replace blades more often when mowing in sandy soil.

4 - Charge 48 hours at end of season.

5 - And after each 5 hours of use.

GENERAL RECOMMENDATIONS

The warranty on this lawn mower does not cover items that have been subjected to operator abuse or negligence. To receive full value from the warranty, operator must maintain unit as instructed in this manual.

Some adjustments will need to be made periodically to properly maintain your unit.

At least once a season, check to see if you should make any of the adjustments described in the Service and Adjustments section of this manual.

• At least once a year, replace the spark plug, clean or replace air filter element and check blade for wear. A new spark plug and clean/new air filter element assure proper air-fuel mixture and help your engine run better and last longer.
• Follow the maintenance schedule in this manual.

BEFORE EACH USE

• Check engine oil level.
• Check for loose fasteners.

LUBRICATION

Keep unit well lubricated (See "LUBRICATION CHART").

LUBRICATION CHART

① Handle bracket mounting pins

① Spray lubricant
② See "ENGINE" in Maintenance section.

IMPORTANT: Do not oil or grease plastic wheel bearings. Viscous lubricants will attract dust and dirt that will shorten the life of the self-lubricating bearings. If you feel they must be lubricated, use only a dry, powdered graphite type lubricant sparingly.

LAWN MOWER

Always observe safety rules when performing any maintenance.

TIRES

• Keep tires free of gasoline, oil, or insect control chemicals which can harm rubber.
• Avoid stumps, stones, deep ruts, sharp objects and other hazards that may cause tire damage.

BLADE CARE

For best results, mower blade must be kept sharp. Replace bent or damaged blades.

CAUTION: Use only a replacement blade approved by the manufacturer of your mower. Using a blade not approved by the manufacturer of your mower is hazardous, could damage your mower and void your warranty.

TO REMOVE BLADE

1. Disconnect spark plug wire from spark plug and place wire where it cannot come in contact with plug.
2. Turn lawn mower on its side. Make sure air filter and carburetor are up.
3. Use a wood block between blade and mower housing to prevent blade from turning when removing blade bolt.

NOTE: Protect your hands with gloves and/or wrap blade with heavy cloth.

1. Remove blade bolt by turning counterclockwise.

2. Remove blade and attaching hardware (bolt, lock washer and hardened washer).

TO REPLACE BLADE

1. Position blade on the blade adapter aligning the two (2) holes in the blade with the raised lugs on the adapter.
2. Be sure the trailing edge of blade (opposite sharp edge) is up toward the engine.
3. Install the blade bolt with the lock washer and hardened washer into blade adapter and crankshaft.
4. Use block of wood between blade and lawn mower housing and tighten the blade bolt, turning clockwise.
   • The recommended tightening torque is 35-40 ft. lbs.

IMPORTANT: Blade bolt is heat treated. If bolt needs replacing, replace only with approved bolt shown in the Repair Parts section of this manual.

TO SHARPEN BLADE

NOTE: We do not recommend sharpening the blade - but if you do, be sure the blade is balanced. An unbalanced blade will cause eventual damage to lawn mower or engine.

• The blade can be sharpened with a file or on a grinding wheel. Do not attempt to sharpen while on the mower.
• To check blade balance, drive a nail into a beam or wall. Leave about one inch of the straight nail exposed. Place center hole of blade over the head of the nail. If blade is balanced, it should remain in a horizontal position. If either end of the blade moves downward, sharpen the heavy end until the blade is balanced.

GRASS CATCHER

• The grass catcher may be hosed with water, but must be dry when used.
• Check your grass catcher often for damage or deterioration. Through normal use it will wear. If catcher needs replacing, replace only with approved replacement catcher shown in the Repair Parts section of this manual. Give the lawn mower model number when ordering.

ENGINE

LUBRICATION

Use only high quality detergent oil rated with API service classification SG-SL. Select the oil's SAE viscosity grade according to your expected operating temperature.

NOTE: Although multi-viscosity oils (5W30, 10W30 etc.) improve starting in cold weather, these multi-viscosity oils will result in increased oil consumption when used above 32°F. Check your engine oil level more frequently to avoid possible engine damage from running low on oil.

Check the crankcase oil level before starting the engine and after each five (5) hours of continuous use. Tighten oil plug securely each time you check the oil level.

TO CHANGE ENGINE OIL

NOTE: Before tipping lawn mower to drain oil, empty fuel tank by running engine until fuel tank is empty.

1. Disconnect spark plug wire from spark plug and place wire where it cannot come in contact with plug.
2. Remove engine oil cap; lay aside on a clean surface.
3. Tip lawn mower on its side as shown and drain oil into a suitable container. Rock lawn mower back and forth to remove any oil trapped inside of engine.

1. Wipe off any spilled oil from lawn mower or side of engine.
2. Slowly pour oil down the oil fill spout, stopping every few ounces to check the oil level with the dipstick.
3. Stop adding oil when you reach the FULL mark on the dipstick. Wait a minute to allow oil to settle.
4. Continue adding small amounts of oil, rechecking the dipstick until oil level settles at FULL. DO NOT overfill, or engine will smoke heavily from the muffler on startup.
5. Always be sure to retighten oil dipstick before starting engine.
6. Reconnect spark plug wire to plug.

AIR FILTER

Your engine will not run properly and may be damaged by using a dirty air filter. Replace the air filter cartridge every 100 hours of operation or every season, whichever occurs first. Service air cleaner more often under dusty conditions.

TO CLEAN AIR FILTER

1. Loosen screw and tilt cover to remove.
2. Carefully remove cartridge.
3. Clean by gently tapping on a flat surface. If very dirty, replace cartridge.

CAUTION: Petroleum solvents, such as kerosene, are not to be used to clean cartridge. They may cause deterioration of the cartridge. Do not oil cartridge. Do not use pressurized air to clean or dry cartridge.

1. Install cartridge, then replace cover making sure the tabs are aligned with the slots in the back plate. Fasten screw securely.

MUFFLER

Inspect and replace corroded muffler as it could create a fire hazard and/or damage.

SPARK PLUG

Replace spark plug at the beginning of each mowing season or after every 100 hours of operation, whichever occurs first. Spark plug type and gap setting are shown in the "PRODUCT SPECIFICATIONS" section of this manual.

CLEANING

IMPORTANT: For best performance, keep mower housing free of built-grass and trash. Clean the underside of your mower after each use.

⚠️CAUTION: Disconnect spark plug wire from spark plug and place wire where it cannot come in contact with plug.

• Clean the underside of your lawn mower by scraping to remove build-up of grass and trash.
• Clean engine often to keep trash from accumulating. A clogged engine runs hotter and shortens engine life.
• Keep finished surfaces and wheels free of all gasoline, oil, etc.
  • We do not recommend using a garden hose to clean lawn mower unless the electrical system, muffler, air filter and carburetor are covered to keep water out. Water in engine can result in shortened engine life.

SERVICE AND ADJUSTMENTS

⚠ WARNING: To avoid serious injury, before performing any service and adjustments:

1. Release control bar and stop engine.
2. Make sure the blade and all moving parts have completely stopped.
3. Disconnect spark plug wire from spark plug and place wire where it cannot come in contact with plug.

LAWN MOWER

See "TO ADJUST CUTTING HEIGHT" in the Operation section of this manual.

REAR DEFLECTOR

The rear deflector, attached between the rear wheels of your mower, is provided to minimize the possibility that objects will be thrown out of the rear of the mower into the operator mowing position. If the deflector becomes damaged, it should be replaced.

TO ADJUST HANDLE

The handle can be mounted in a high or low position. The mounting holes in the bottom of lower handle are off center for raising or lowering the handle.

1. Remove upper handle and all wire tie(s) securing cable(s) to lower handle.
2. Remove hairpin cotters from lower handle bracket mounting pin.
3. Squeeze lower handle in to remove it from mounting pins.
4. Turn lower handle over to raise or lower handle.
5. Squeeze lower handle in and position holes onto mounting pins on handle bracket.
6. Reassemble upper handle and all parts removed from lower handle.

ENGINE

ENGINE SPEED

Your engine speed has been factory set. Do not attempt to increase engine speed or it may result in personal injury. If you believe that engine is running too fast or too slow, take your mower to a Sears or other qualified service center for repair and adjustment.

CARBURETOR

Your carburetor is not adjustable. If your engine does not operate properly due to suspected carburetor problems, take your lawn mower to a Sears or other qualified service center for repair and/or adjustment.

IMPORTANT: Never tamper with the engine governor, which is factory set for proper engine speed. Overspeeding the engine above the factory high speed setting can be dangerous. If you think the engine-governed high speed needs adjusting, contact a Sears or other qualified service center, which has proper equipment and experience to make any necessary adjustments.

STORAGE

Immediately prepare your lawn mower for storage at the end of the season or if the unit will not be used for 30 days or more.

LAWN MOWER

When lawn mower is to be stored for a period of time, clean it thoroughly, remove all dirt, grease, leaves, etc. Store in a clean, dry area.

1. Clean entire lawn mower (See "CLEANING" in the Maintenance section of this manual).
2. Lubricate as shown in the Maintenance section of this manual.
3. Be sure that all nuts, bolts, screws, and pins are securely fastened. Inspect moving parts for damage, breakage and wear. Replace if necessary.
4. Touch up all rusted or chipped paint surfaces; sand lightly before painting.

HANDLE

You can fold your lawn mower handle for storage.

1. Squeeze the bottom ends of the lower handle toward each other until the lower handle clears the handle bracket, then move handle forward.
2. Loosen upper handle mounting bolts enough to allow upper handle to be folded back.

IMPORTANT: When folding the handle for storage or transportation, be sure to fold the handle as shown or you may damage the control cables.

- When setting up your handle from the storage position, the lower handle will automatically lock into the mowing position.

ENGINE

FUEL SYSTEM

IMPORTANT: It is important to prevent gum deposits from forming in essential fuel system parts such as carburetor, fuel filter, fuel hose, or tank during storage. Alcohol blended fuels (called gasohol or using ethanol or methanol) can attract moisture which leads to separation and formation of acids during storage. Acidic gas can damage the fuel system of an engine while in storage.

• Empty the fuel tank by starting the engine and letting it run until the fuel lines and carburetor are empty.
• Never use engine or carburetor cleaner products in the fuel tank or permanent damage may occur.
• Use fresh fuel next season.

NOTE: Fuel stabilizer is an acceptable alternative in minimizing the formation of fuel gum deposits during storage. Add stabilizer to gasoline in fuel tank or storage container. Always follow the mix ratio found on stabilizer container. Run engine at least 10 minutes after adding stabilizer to allow the stabilizer to reach the carburetor. Do not empty the gas tank and carburetor if using fuel stabilizer.

ENGINE OIL

Drain oil (with engine warm) and replace with clean engine oil. (See "ENGINE" in the Maintenance section of this manual).

CYLINDER

1. Remove spark plug.
2. Pour one ounce (29 ml) of oil through spark plug hole into cylinder.
3. Pull starter handle slowly a few times to distribute oil.
4. Replace with new spark plug.

OTHER

• Do not store gasoline from one season to another.

• Replace your gasoline can if your can starts to rust. Rust and/or dirt in your gasoline will cause problems.

• If possible, store your unit indoors and cover it to protect it from dust and dirt.

• Cover your unit with a suitable protective cover that does not retain moisture. Do not use plastic. Plastic cannot breathe, which allows condensation to form and will cause your unit to rust.

IMPORTANT: Never cover mower while engine and exhaust areas are still warm.

CAUTION: Never store the lawn mower with gasoline in the tank inside a building where fumes may reach an open flame or spark. Allow the engine to cool before storing in any enclosure.

TROUBLESHOOTING - See appropriate section in manual unless directed to a Sears Parts & Repair Center.

PROBLEM	CAUSE	CORRECTION
Does not start	1. Dirty air filter.2. Out of fuel.3. Stale fuel.4. Water in fuel.5. Spark plug wire is disconnected.6. Bad spark plug.7. Loose blade or broken blade adapter.8. Control bar in released position.9. Control bar defective.10. Fuel valve lever (if so equipped) in OFF position.11. Weak battery (if equipped).12. Disconnected battery connector (if equipped).	1. Clean/replace air filter.2. Fill fuel tank.3. Empty fuel tank and refill tank with fresh, clean gasoline.4. Empty fuel tank and refill tank with fresh, clean gasoline.5. Connect wire to plug.6. Replace spark plug.7. Tighten blade bolt or replace blade adapter.8. Depress control bar to handle.9. Replace control bar.10. Turn fuel valve lever to the ON position.11. Charge battery.12. Connect battery to engine.

TROUBLESHOOTING - See appropriate section in manual unless directed to a Sears Parts & Repair Center.

PROBLEM	CAUSE	CORRECTION
Loss of power	1. Rear of lawn mower housing or cutting blade dragging in heavy grass.2. Cutting too much grass.3. Dirty air filter.4. Buildup of grass, leaves, and trash under mower.5. Too much oil in engine.6. Walking speed too fast.	1. Raise cutting height.2. Raise cutting height.3. Clean/replace air filter.4. Clean underside of mower housing.5. Check oil level.6. Cut at slower walking speed.
Poor cut – uneven	1. Worn, bent or loose blade.2. Wheel heights uneven.3. Buildup of grass, leaves and trash under mower.	1. Replace blade. Tighten blade bolt.2. Set all wheels at same height.3. Clean underside of mower housing.
Excessive vibration	1. Worn, bent or loose blade.2. Bent engine crankshaft.	1. Replace blade. Tighten blade bolt.2. Contact a Sears or other qualified service center.
Starter rope hard to pull	1. Engine flywheel brake is on when control bar is released.2. Bent engine crankshaft.3. Blade adapter broken.4. Blade dragging in grass.	1. Depress control bar to upper handle before pulling starter rope.2. Contact a Sears or other qualified service center.3. Replace blade adapter.4. Move lawn mower to cut grass or to hard surface.
Grass catcher not filling (If so equipped)	1. Cutting height too low.2. Lift on blade worn off.3. Catcher not venting air.	1. Raise cutting height.2. Replace blade.3. Clean grass catcher.
Hard to push	1. Grass is too high or wheel height is too low.2. Rear of lawn mower housing or cutting blade dragging in grass.3. Grass catcher too full.4. Handle height position not right for you.	1. Raise cutting height.2. Raise rear of lawn mower housing one (1) setting higher.3. Empty grass catcher.4. Adjust handle height to suit.

TABLA DE MATERIAS

Sears, Roebuck and Co., Hoffman Estates, IL 60179

REGLAS DE SEGURIDAD

REPAIR PARTS

CRAFTSMAN ROTARY LAWN MOWER - - MODEL NUMBER 917.371521

	KEYNO.	PARTNO.	DESCRIPTION	KEYNO.	PARTNO.	DESCRIPTION	KEYNO.	PARTNO.	DESCRIPTION
35	1	194177X428	Control Bar	29	407494X005	Wheel Adjusting Bracket	54	850263	Helical Lockwasher
	2	194179X479	Upper Handle	30	401629	Spacer	55	851074	Hardened Washer
	3	169708X479	Lower Handle	31	165760	Discharge Deflector	56	406712	21" Blade
	4	194788	Rope Guide	32	401623X004	Selector Spring, Rear	57	193707	Blade Adapter
	5	132004	Nut, Hex	33	87877	Selector Knob	59	---	Engine, Briggs & Stratton, Model Number
	6	191574	Handle Bolt	34	401173X004	Axle Arm Assembly, Rear, LH			122T02-0824-EA
	7	66426	Wire Tie	36	401638	Shoulder Bolt 5/16-18			(See Breakdown)
	9	154132	Hinge Bracket	37	194345X460	Wheel & Tire Assembly, Front			Locknut, Hex 1/4-20
	10	165754	Mulcher Door	39	83923	Flanged Locknut	62	73800400	Clip, Cable
	11	183281	Engine Zone Control Cable	40	401808	Frame, Grassbag	67	197991	Washer, Curved
	12	750634	Hex Washer Head Screw	41	88652	Hinge Screw	73	401630	Washer, Special, Engine
	13	86899X004	Up-Stop Bracket	42	405421	Spring, Rear Door, LH	74	851201X004	Kit, Rear Baffle
	14	189713X428	Handle Knob	43	405423	Spring, Rear Door, RH	75	413693	(Includes 3 Screws)
	15	51793	Hairpin Cotter	44	184193	Bolt, Rear Door			Baffle, Rear
	18	17600406	Screw	45	150406	Screw, Hex Head, Threaded, Rolled 3/8-16 x 1	76	410589	Screw, Rear Baffle
	19	401174X004	Axle Arm Assembly, Front, LH				77	17411312	Warning Decal (not shown)
	20	401175X004	Axle Arm Assembly, Front, RH	46	404763	Danger Decal	--	404764	Owner's Manual
	21	188987	Rear Skirt	49	194348X460	Wheel & Tire Assembly, Rear Grassbag	--	413615
	22	401621X004	Selector Spring, Front	50	408955
	23	401814X428	Rear Door Assembly	51	147286	Hinge Rod	Available accessories not included with mower:
	24	73930500	Locknut, Hex 5/16-18	52	413868	Kit, Mower Housing Assembly (Includes Key Number 46)	--	71 33623	Gas Can (2.5 Gallon container)
	25	410387X479	Handle Bracket Assembly, LH
	26	410388X479	Handle Bracket Assembly, RH	53	851084	Screw, Hex Head, Grade 8	--	71 33500	Fuel Stabilizer
	28	152124	Hinge Spring			3/8-24 x 1-3/8	--	71 33000	SAE 30W Oil (20 Ounce bottle)

NOTE: All component dimensions given in U.S. inches. 1 inch = 25.4 mm
IMPORTANT: Use only Original Equipment Manufacturer (O.E.M.) replacement parts. Failure to do so could be hazardous, damage your lawn mower and void your warranty.

KEY PART
NO. NO.
DESCRIPTION

1	697322	Cylinder Assembly
2	399269	Kit-Bushing/Seal
3	299819s	• Seal-Oil (Magneto Side)
4	493279	Sump-Engine
5	691160	Head-Cylinder
7	692249	• Gasket-Cylinder Head
8	695250	Breather Assembly
9	696125	Gasket-Breather
10	691125	Screw (Breather Assembly)
11	691781	Tube-Breather
12	692232	• Gasket-Crankcase
13	690912	Screw (Cylinder Head)
15	691680	Plug-Oil Drain
16	691450	Crankshaft
20	399781s	• Seal-Oil (PTO Side)
22	691092	Screw (Engine Sump)
23	691987	Flywheel
24	222698	Key-Flywheel
25	790359	Piston Assembly (Standard)
26	790360	Ring Set-Piston (Standard)
27	691866	Lock-Piston Pin
28	499423	Pin-Piston
29	499424	Rod-Connecting
32	691664	Screw (Connecting Rod)
32A	695759	Screw (Connecting Rod)
33	262651s	Valve-Exhaust
34	262652s	Valve-Intake
35	691270	Spring-Valve (Intake)

KEY PART
NO. NO.
DESCRIPTION

36	691270	Spring-Valve (Exhaust)
37	694086	Guard-Flywheel
40	692194	Retainer-Valve
43	691997	Slinger-Governor/Oil
45	690548	Tappet-Valve
46	691449	Camshaft
48	792741	Short Block
50	497465	Manifold-Intake
51	272199s	• Gasket-Intake
54	691650	Screw (Intake Manifold)
55	691421	Housing-Rewind Starter
58	697316	Rope-Starter (Cut to Length)
60	281434s	Grip-Starter Rope
65	690837	Screw (Rewind Starter)
78	691108	Screw (Flywheel Guard)
81	691740	Lock-Muffler Screw
95	691636	Screw (Throttle Valve)
97	696565	Shaft-Throttle
104	691242	∅ Pin-Float Hinge
117	498978	Jet-Main (Standard)
118	497466	Jet-Main (High Altitude)
121	498260	Kit-Carburetor Overhaul
125	498170	Carburetor
127	694468	∅ Plug-Welch
130	696564	Valve-Throttle
133	398187	Float-Carburetor
134	398188	∅ Valve-Needle/Seat
137	693981	∅‡ Gasket-Float Bowl

KEYNO.	PARTNO.	DESCRIPTION	KEYNO.	PARTNO.	DESCRIPTION
159	691753	Bracket-Air Cleaner Primer	635	66538s	Boot-Spark Plug
163	272653s·∅‡	Gasket-Air Cleaner	668	493823	• Spacer (Includes 2)
187	791766	Line-Fuel (Cut to Length)	670	692294	Spacer-Fuel Tank
188	693399	Screw (Control Bracket)	684	690345	Screw (Breather Cover)
190	690940	Screw (Fuel Tank)	689	691855	Spring-Friction
202	691829	Link-Mechanical Governor	718	690959	Pin-Locating
209	699056	Spring-Governor	741	790345	Gear-Timing
222	791128	Bracket-Control	745	691648	Screw (Brake)
227	690783	Control Lever-Governor	842	691031	• Seal-O Ring (Dipstick Tube)
276	271716 ∅‡	Sealing Washer	847	692047	Assembly-Dipstick/Tube
287	690940	Screw (Dipstick Tube)	851	493880s	Terminal-Spark Plug
300	692038	Muffler	868	697338	Seal-Valve
304	695892	Housing-Blower	869	691155	Seat-Valve (Intake)
305	691108	Screw (Blower Housing)	870	690380	Seat-Valve (Exhaust)
306	690450	Shield-Cylinder	871	262001	Bushing-Guide (Exhaust)
307	690345	Screw (Cylinder Shield)		63709	Bushing-Guide (Intake)
332	690662	Nut (Flywheel)	922	692135	Spring-Brake
333	802574	Armature-Magneto	923	695891	Brake
334	691061	Screw (Armature Magneto)	957	699985	Cap-Fuel Tank
337	802592s	Plug-Spark	966	792040	Base-Air Cleaner Primer
356	692390	Wire-Stop	968	692298	Cover-Air Cleaner
358	497316	Engine Gasket Set	970	691669	Screw (Air Cleaner Bracket)
363	19069	Flywheel Puller	972	699374	Tank-Fuel
365	692524	Screw (Carburetor)	975	493640	Bowl-Float
383	89838s	Wrench-Spark Plug	976	496115	Primer-Carburetor
404	690272	Washer (Governor Crank)	977	498261	Set-Carburetor Gasket
425	690670	Screw (Air Cleaner Cover)	1036	---	Label-Emissions (Available from an Authorized Briggs & Stratton Service Dealer)
443	692523	Screw (Air Cleaner Base)
445	491588s	Filter-Air Cleaner Cartridge
455	791960	Cup-Flywheel	1058	MS3260	Operator's Manual
456	692299	Plate-Pawl Friction	1059	692311	Kit-Screw/Washer
459	281505s	Pawl-Ratchet	1210	498144	Pulley/Spring Assy. (Pulley)
505	691251	Nut (Gov. Control Lever)	1211	498144	Pulley/Spring Assy. (Spring)
523	499621	Dipstick	1329	126T02-0025	Replacement Engine (Replacement engine listed is not available in California. Repair with individual parts.)
524	692296	• Seal-Dipstick Tube
525	495265	Tube-Dipstick
529	691923	Grommet
562	691119	Bolt (Gov. Control Lever)	1330	270962	Repair Manual
584	697734	Cover-Breather Passage
585	691879	• Gasket-Breather Passage	--	398067	Spark Arrester (available accessory)
592	690800	Nut (Rewind Starter)
597	691696	Screw (Pawl Friction Plate)
601	95162	Clamp-Hose	• Included in Engine Gasket Set, Key No. 358
608	497680	Starter-Rewind
613	691340	Screw (Muffler)	∅ Included in Carb. Overhaul Kit, Key No. 121
615	690340	Retainer-Governor Shaft
616	698801	Crank-Governor	‡ Included in Carb. Gasket Set, Key No. 977
617	270344s·∅‡	O Ring (Intake Manifold)
621	692310	Switch-Stop	NOTE: All component dimensions given in U.S. inches.
633	691321 ∅‡	Seal-Throttle Shaft			1 inch = 25.4 mm

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