GR350 Type 1 - Lawn mower BLACK & DECKER - Free user manual and instructions
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USER MANUAL GR350 Type 1 BLACK & DECKER
On your purchase of your Black & Decker rotary lawnmower.
This user manual provides important operating and maintenance instructions for all the rotary mowers in the Black & Decker GR360 range.
Know your mower

Read all of this manual carefully, observing all the recommended safety instructions before, during and after using your mower, and maintain your mower in good working order.
Familiarise yourself with the controls on your mower before attempting to operate it, but above all, be sure you know how to stop your mower in an emergency.
Retain this user manual and all other literature supplied with your mower for future reference.
Safety instructions
Training
- Never allow children or persons who are unfamiliar with this type of mower to use it, nor anyone who has not read this user manual.

Do not allow children, animals or other persons near your mower when in use - always keep them at least 6m (20ft) away from the cutting area.
- Remember that the operator is responsible for accidents or hazards occurring to other people or their property.
- Your mower is designed for use on AC (mains) electrical supplies only - do not attempt to use it on any other supply.
- Plug your mower into a power point - never a lighting socket.
- Never carry your mower by the cable or jerk the cable to separate the connectors. Keep the cable away from heat sources, oils or sharp edges. Check the condition of your cable before use and do not use if damaged.
Preparation
- To protect your feet, always wear stout shoes or boots - freshly cut grass is damp and slippery.

- Rubber or man-made footwear will enhance your safety.
- Do not operate your mower barefoot or in open sandals.
- Use protective equipment. Wear safety spectacles or goggles whilst operating your mower. Use ear protection if the sound level seems uncomfortable when using your mower.
- Use a face mask if dusty.
- Wear long trousers to protect your legs - any debris left on the lawn or cutting path may be picked up and ejected by the blades.
- The power supply cable should be regularly inspected for signs of damage or ageing, and only used if in good condition.
- Always keep the power supply cable away from the blades - be aware of its position at all times.
- Always be sure your mower is in a safe operating condition.
- Before using your mower, disconnect it from the electrical supply and visually check that the blade, blade nut and cutter assembly are not worn or damaged. A damaged blade or worn blade nut is a major hazard and must be replaced. Also check that the blade nut is securely fastened.
- Always check that your lawn or cutting path is clear of all sticks, stones, wire and other debris. Contact with such debris may be dangerous or may damage your mower and could be thrown by the blade.
Operation
- When tilting the handle downwards (or to the side) to start your mower, do not tilt it more than is absolutely necessary. Always ensure that both hands are in the operating position and feet are well away from the blades before returning your mower to the ground.

Your mower will continue to run for a short time after releasing the switch lever. Always allow your mower to stop on its own.
- Release the switch lever to turn your mower off and remove the plug from the mains:

- Whenever you leave your mower unattended.
- Before checking, cleaning, adjusting or working on your mower.
- Before clearing a blockage.
- If your mower starts to vibrate abnormally (check immediately).
-
After striking a foreign object, inspect your mower for damage and make repairs as necessary.
-
Never run your mower whilst lying on its side or attempt to stop the blade - always allow it to stop on its own.
- Do not put hands or feet near or under rotating parts.
- Keep clear of discharge openings at all times.
- Start your mower carefully according to the instructions and with your feet well away from the blade.
- Do not use your mower in the rain and do not allow it to get wet. Avoid using your mower in wet grass, if possible.
- Use your mower only in daylight or good artificial light.
- Do not pull your mower towards you or walk backwards when in operation.
- Do not cross gravel paths or roads whilst the tines are rotating.
• Always be sure of your footing, particularly on slopes. - Always cut across the face of slopes, never up and down. Exercise extreme caution when changing direction on slopes.
- Do not cut excessively steep slopes and always wear non-slip footwear.
- Check the grassbag (if supplied) for wear or damage and replace if necessary. Never use your mower without the grassbag in place.
- Walk, never run. Do not force your mower.
- Never pick up or carry your mower while the motor is running.
- Ensure the blade has stopped rotating and take extreme care before lifting your mower for and during transportation.
- Never operate your mower with defective guards or shields.
Maintenance and storage
- Store your mower in a dry place when not in use, out of the reach of children.
- Do not use solvents or cleaning fluids to clean your mower - use a blunt scraper to remove grass and dirt.
ENGLISH
- Always disconnect from the electrical supply before cleaning.
- Do not operate your mower if any parts are defective; discard all defective parts and fit new parts before use.
- Keep all nuts, bolts and screws tight to be sure your mower is in a safe working condition.
- Use only Black & Decker recommended replacement parts and accessories.
Black & Decker's policy is one of continuous improvement to our products and, as such, we reserve the right to change product specifications without prior notice.
Double insulation

Your mower is double insulated. This means that all external metal parts are electrically isolated from the power supply. This is achieved by placing an extra insulation barrier between the electrical and mechanical parts. Double insulation means greater electrical safety and obviates the necessity of having your mower earthed.
Electrical safety (UK only)

Your mower should always be switched off at the mains before disconnecting any plug and socket connector or extension cables.
Fuse replacement
If your mower is supplied with cable fitted with a non-re-wireable plug:
- The plug is fitted with a 13 amp fuse which is the recommended fuse for your mower.
- Only use replacement fuses which are approved to BS1362.
- When changing the fuse in your plug, always ensure the fuse cover is refitted. If the fuse cover is missing or damaged do not use the plug.
Note: Fuses do not give personal protection against electric shock.
Plug replacement
- Disconnect the plug from the supply.
-
Cut off the plug and dispose of immediately. Insertion of a detached plug into a 13 amp socket outlet may result in electric shock.
-
Only fit BS1363A approved plugs fitted with the correctly rated fuse.
- The cable wire colours, or a letter, will be marked at the connection points of most good quality plugs. Attach the wires to their respective points in the plug (see below). Brown is for “Live” (L) and blue is for “Neutral” (N).
- Before replacing the top cover of the mains plug ensure that the cable restraint is holding the outer sheath on the cable firmly and that the two leads are correctly fixed at the terminal screws.
Fit a
BS1363A
approved
plug
Connect blue to N (neutral)

text_image
Fit the recommended fuse Connect brown to L (live)Make sure that the outer sheath of the cable is held firmly by the clamp

240 volts AC only.
Never use a light
socket

Warning! Never connect live or neutral wires to the earth pin marked "E" or 12
Note: Do not wire an extension cable directly into your mower yourself. Instead, take your mower to your nearest Black & Decker service agent.
Increased safety can be obtained by having a qualified electrician install a high sensitivity (30mA) circuit breaker in the house wiring. If you do not have such a circuit breaker installed, or you do not wish to have one installed, then we strongly recommend that the electrical power to your mower be supplied through a high sensitivity residual current device (RCD). The RCD is designed to provide a high degree of personal protection against harmful electric current should fault conditions occur.

Warning! The use of an RCD or other circuit breaker unit does not release the operator of your mower from the safety instructions and safe working practices given in this manual.
Handle assembly (Fig. A - D)
A
Remove the parts from the carton and familiarise yourself with the individual parts of your mower.
The main parts of your mower are mower body (1) which comprises the cutter deck (2), cutter cover (3), collar (4), motor cover (5), wheels (6), grassflap (7) and pivot pin (8).
B
The handle (9) comprises the lower handle (10), upper handle (11), switch box (24), switch lever (21) and safety lock-off button (20), electrical supply cable (19), cable clips (12,13) and the handle clamp assemblies, which comprise a wing nut (15), washer (16) and bolt (17).
Assemble the lower handle (10) into correct locations on your mower body, as follows:
- The lower handle (10) comes ready assembled to your mower body (1) by means of a pivot pin (8), wing nuts (15), and washers (16). All that is required is to unfold the handle from your mower body by lifting, until the handle ends snap into the correct locations on the sides of your mower body. Once this is complete the wing nuts (15) can be tightened.
With the lower handle in position, assemble the upper handle, as follows:
- Place the upper handle (11) over the lower handle (10), with the upper bend as shown in Fig. A.
- Align the lower holes in the upper handle with the location pins (18) in the lower handle and press the upper handle onto these pins.
- Align the remaining (upper) holes in both the upper and lower handles and fit a bolt (17) through each hole. Fit a washer (16) to each bolt and fit the wing nuts (15) on to the bolts. Tighten each one with hand pressure only.
Note: Do not use a spanner or other implement to tighten the wing nuts.
When both upper and lower handle tubes are assembled, fix the cable (19) by means of the cable clips (12 &13) to the completed handle, as follows:
- The lower cable clip (12) fits into the hole in the lower handle tube (10) and has a location pin for that purpose.
- The upper cable clip (13) fits onto the upper handle tube (11) and can be fitted in any position along the upper side stem.
- Having completed the above, secure the cable to the handle by pushing into the clip lugs.
nt of cut adjustment (Fig. G)

Warning! Disconnect your mower from the electrical supply before making any adjustment and give the blade time to stop rotating: cutting blades are sharp.
G
By moving the 5 position height of cut adjuster (34) at the rear of your mower outwards from your mower body (1) and then up or down as required, the height of cut can be varied to give 5 positions.
Note: The 5 position height of cut adjuster is under tension when in the engaged position. It has to be sprung outwards to move from one height setting to another and will spring back automatically into position when released.
The maximum to medium height of cut settings, as indicated by arrows 1, 2 and 3 are suitable for coarse or overgrown grass. Settings 4 and 5 should be used for maintaining cultivated lawns.
Grassbag assembly (Fig. E)
Read the safety instructions at the beginning of this manual before using this accessory.
E1
- Before starting to assemble the grassbag, check that the parts are similar to those shown in Fig. E1.
- Secure the grassbag by inserting the bag rim into the channel and pushing down firmly until the clip feature locks onto the bag rim (inset).
- Push the support frame firmly into place.
E2
- Assemble the two side clips to the support frame, then assemble the bottom clip.
E3
Fitting the grassbag to your mower:
- Hold the grassbag top (26) by its handle.
- Lift the grassflap (7), then guide the grassbag through the lower handle tube (10) and fix to the rear of the unit by lining up the arrows marked on the cutter deck (2) and grassbag top (26).
- Finally, when this is complete, gently release the grassflap (7) and it will return to sit onto the location area of the grassbag top (26).
E4
How to use your mower (Fig. H & J)
!
Observe all the relevant warnings when using your mower.
H
We recommend the directional method of operation as shown in Fig. H to obtain the maximum cutting performance from your mower and to reduce the risk of the trailing extension lead from entering the cutting path.
- Place the bulk of the extension cable on the lawn close to the starting point (Fig. Ha, position 1).
ENGLISH
- Hold the handle assembly with both hands.
Your switch box incorporates a cable restraint. To fix the cable to the restraint, proceed as follows:
- Bring the socket end of the extension cable from behind and connect it to your mower plug.
- Form a loop on your extension cable close to the coupler.
- Push the loop through the slot from the opposite side of the restraint hook, position the loop over the hook and pull the cable back through the slot. Your cable will now be restrained.
- The extension cable should now fall away from your mower and behind the operator, ready for use.
J
!
Warning! Do not attempt to operate your mower with one hand - you must guide it with both hands.
- Tilt the unit backwards to reduce the risk of lawn damage whilst starting, depress the safety lock-off button (20) on the switchbox (24) (Fig. A), and whilst still depressed pull the switch lever (21) towards you. Your mower will start, and you can now allow your mower to return to its proper cutting position, and commence cutting.
- Proceed down the cutting area as shown in Fig. Ha, working from position 1 towards position 2 and, on reaching position 2, turn to the right and proceed towards position 3. Continue to the end of the cutting area, turn to the left, and proceed towards position 4. Continue in the same manner as shown in Fig. Ha, always working away from the cable. Do not adopt the method shown in Fig. Hb, working towards the cable, as this can be dangerous.
Your mower will continue to operate whilst you are depressing the switch lever. To stop your mower release the switch lever.
When you have finished using your mower we recommend that you clean all debris from it before putting it away. Refer to the "Care and maintenance" section.
Note: To obtain the best results cut your lawn or grassed area regularly and do not cut when the grass is wet.
Blade maintenance
The steel blade is designed to give a fine finish in long or tough grass. The blade will continue to cut even when it has become blunt or burred. There is no need for it to be razor sharp.
If, however, because of damage or wear the cutting performance deteriorates, then your mower may require a new blade, or at least the existing blade to be sharpened.
We recommend that the steel blade is sharpened or a new blade fitted at the beginning of each season.
Replacement blades are available from Black & Decker service agents.

Warning! When fitting a new blade use only the Black & Decker replacement part specified for your mower - do not attempt to fit any other blade.
Fitting a new blade (Fig. F)

Observe all the relevant warnings before changing the blade.
Warning! Disconnect your mower from the electrical supply before changing the blade.
F
- Turn your mower over on its side so that the underside of the cutter deck is exposed.
- Using a cloth placed over the blade or heavy duty gloves to protect your hands, grip the blade and, using the spanner provided, loosen and remove the nut (30) from the motor spindle. Turn the nut in an anti-clockwise direction to loosen it.
- The blade can now be replaced and the washer and nut re-assembled.
Note: With the introduction of a new style GR360C the replacement blade will only fit the correct series model. The series model is printed on the rating plate situated on the underside of the switch box. The information will be found on the small sticker containing all the technical data. The correct replacement blades are as follows:
GR360C Series 6 - A6116
GR360C Series 7 - A6117
Please note, the replacement blades will only fit the correct mower.
Note: Some mowers are fitted with a clutch washer between the blade nut and the blade, which must be re-assembled at all times.
Handy hints
- On long grass, above 10cm (4 inches), use two cuts to get a close finish. We recommend that the first cut should be taken with the blade set at maximum height of cut and the second taken with it set at medium or close. This will prove to be easier and give a better overall finish to your lawn.
Care and maintenance
The advice given in this section covers the general care and maintenance of the main body of your mower. Advice relating to the blades is given in “Maintenance of blades”.

Warning! Do not use an extension cable which shows signs of damage. Fit a new cable completely - do not make any permanent or temporary repairs.
- Always keep your mower clean and free from grass cuttings, especially the underside of the cutter deck and the air vents.
- Check all electrical cables at regular intervals, looking for signs of wear, abrasion or other damage.
- At the end of each cutting session we recommend that the build up of grass on the underside of the cutter cover is removed using a blunt scraper.
- Clean all plastic components with a damp cloth.
Caution: Do not use solvents or cleaning fluids as these may damage the plastic components of your mower.
Fault finding
If your mower does not operate correctly, use the following table to locate the problem.

Warning! Always disconnect your mower from the electrical supply before carrying out any inspection.
Symptoms Possible cause Remedy
Motor buzzes Blade jammed. Disconnect from but blade does the electrical supply. not move. Remove
obstruction from the blade.
No noise and Faulty electrical Disconnect from blade does connection. the electrical not move. supply.
Plug your mower into an alternative compatible electrical supply. Fit a new fuse.
Symptoms Possible cause Remedy
No noise and Faulty electrical Re-tighten and blade does connection. check all electrical not move. connections in
extension cables. Re-set RCD in accordance with instructions.
What to do if your mower needs repair
For after sales service please refer to the section 'Lawnmowers & Garden' within your local Yellow Pages.
Unwanted products and the environment

Should you find one day that your mower needs replacement, or is of no further use to you, think of the protection of the environment. Black & Decker service agents will accept your old mower and will dispose of it in an environmentally safe way.
Black & Decker lawn and garden guarantee
This guarantee provides 36 months parts cover and 12 months labour (UK), 24 months parts cover and labour (Australia and New Zealand). In all cases proof of purchase will be required.
If your Black & Decker mower becomes defective, within the guarantee period, due to faulty materials and workmanship, we guarantee to either replace all defective parts, or at our discretion, replace your mower free of charge, provided that:
- Your mower is returned to one of our authorised repair agents with evidence of purchase.
- Your mower has been used within the parameters of its consumer classification.
- Your mower has not been used for hire purposes.
- Repairs have not been attempted by anyone other than our authorised repair agents.
- The failure represents normal wear and tear.
This guarantee is offered as an extra benefit and is additional to your statutory rights.
Our guarantee policy
Failures due to the following are not covered:
- Replacing worn or damaged blades, nylon line and chains, or cables damaged during storage or use. These are regarded as replacement items which wear during normal usage.
- Failures as a result of sudden impact or obvious abuse.
ENGLISH
- Failures due to usage not in accordance with instructions and recommendations contained in this manual.
The use of other than genuine Black & Decker accessories and parts may damage or reduce the performance of your Black & Decker mower and may render the guarantee void.
Black & Decker after sales service (UK, Australia and New Zealand only)
Black & Decker offers a nationwide network of authorised service agents. The use of other than genuine Black & Decker accessories and parts may damage or reduce the performance of your Black & Decker product and may also endanger the user. The terms and conditions of the warranty may also be effected.
It is our aim that all Black & Decker customers should be totally satisfied with their Black & Decker product and after sales service, if help or advice is needed please contact a local Black & Decker authorised repair agent who will be happy to help. Full details of our after sales service can be obtained from any of our Black & Decker authorised repair agents.
Other Black & Decker products (UK only)
Black & Decker has a full range of outdoor power tools that make life easy in the garden. If you would like further information on other products, please contact the Black & Decker Service Information Centre at the address towards the back of this manual, or contact your Black & Decker stockist. Lawnmowers, String trimmers, Chainsaw, Lawnrakers, Compost shredders, Leafbusters, Blade trimmers, Cordless brooms, Cordless trimsaws, Cordless shrubbers, Cordless shears, Hedgetrimmers
EC Declaration of Conformity
We declare that unit: GR360C
conforms to: 89/392/EEC, 89/336/EEC, 73/23/EEC, EN55014, EN60335, EN55104
A weighted sound pressure 93dB (A) A weighted sound power 106dB (A) Hand/arm weighted vibration <2.5m/s²

Brian Cooke
Director of Engineering
Spennymoor, County Durham DL16 6JG, United Kingdom
Tosaerba GR350
Director of Engineering
Spennymoor, County Durham DL16 6JG, United Kingdom
Rasenmäher GR350
Wir gratulieren!
Director of Engineering
Black & Decker Ltd, Spennymoor, County Durham
DL16 6JG, United Kingdom
DEUTSCH
Tondeuse
GR350
Spennymoor, County Durham DL16 6JG, United Kingdom
Cirkelmaaier GR350
Gebruiksaanwijzing
Gefeliciteerd!
Spennymoor, County Durham DL16 6JG, United Kingdom
Cortacéspedes GR350
Spennymoor, County Durham DL16 6JG, United Kingdom
Χλοοκοπτική Μηχανή
GR350
Οδηγίεσ χρήσεωσ
Συγχαρητήρια!
Australia Black & Decker (A'asia) Pty Ltd Tel: 03 9213 8200 286-288 Maroondah Highway, North Croydon, Victoria 3136 Fax: 03 9726 7150
Belgique/België Black & Decker Belgium NV Tel: 02 719 07 11 Weihoek 1, 1930 Zaventem Fax: 02 721 40 45
Danmark Black & Decker Tlf: 70-20 15 10 Hejrevang 26 B, 3450 Allerød Fax: 48-14 13 99
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Technical line drawing of a mechanical bracket or panel assembly (no text or symbols)
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Technical line drawing of a mechanical device with directional arrows indicating movement or force (no text or symbols)
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E4 26 7 10
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F 30 35 29 32 30 29 BLADE POSITION 32 31 33 32
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G 34 5 4 3 2 1
flowchart
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F --> G["⑦"]
end
subgraph Path 2
H["⑧"] --> I["⑨"]
I --> J["⑩"]
J --> K["⑪"]
K --> L["⑫"]
L --> M["⑬"]
M --> N["⑯"]
N --> O["⑰"]
O --> P["⑱"]
P --> Q["⑲"]
Q --> R["⑳"]
R --> S["㉑"]
S --> T["㉒"]
T --> U["㉔"]
U --> V["㉕"]
V --> W["㉖"]
end
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