GT370 - Hedge trimmers BLACK & DECKER - Free user manual and instructions
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USER MANUAL GT370 BLACK & DECKER
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Illustration of a hand using a tool to lift a mechanical component, showing motion arrows (no text or symbols)
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4 3 B1
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Illustration of a hand using a tool to lift a mechanical component, labeled B2 (no text or symbols on the diagram itself)
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C1 15°
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40° C2
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C3 15°ENGLISH
Intended use
Your Black & Decker hedgetrimmer has been designed for trimming hedges, shrubs and brambles. This tool is intended for consumer use only.
Safety instructions
- Warning! When using mains-powered tools, basic safety precautions, including the following, should always be followed to reduce the risk of fire, electric shock, personal injury and material damage.
- Read all of this manual carefully before operating the tool.
- Retain this manual for future reference.
- Remove the plug from the socket before carrying out any adjustment, servicing or maintenance.
Keep work area clean
Cluttered areas and benches can cause accidents.
Consider work area environment
Do not expose the tool to rain. Do not use the tool in damp or wet conditions. Keep the work area well lit. Do not use the tool where there is a risk of causing fire or explosion, e.g. in the presence of flammable liquids and gases.
Keep children away
Do not allow children, visitors or animals to come near the work area or to touch the tool or mains cable.
Dress properly
Do not wear loose clothing or jewellery, as these can be caught in moving parts. Preferably wear rubber gloves and non-slip footwear when working outdoors. Wear protective hair covering to keep long hair out of the way.
Personal protection
Always use safety glasses. Use a face or dust mask whenever the operations may produce dust or flying particles. Hearing protection should be worn.
Guard against electric shock
Prevent body contact with earthed or grounded surfaces (e.g. pipes, radiators, cookers and refrigerators). Electric safety can be further improved by using a high-sensitivity (30 mA / 30 mS) residual current device (RCD).
Do not overreach
Keep proper footing and balance at all times.
Stay alert
Watch what you are doing. Use common sense. Do not operate the tool when you are tired.
Secure workpiece
Use clamps or a vice to hold the workpiece. It is safer and it frees both hands to operate the tool.
Connect dust extraction equipment
If devices are provided for the connection of dust extraction and collection facilities, ensure that these are connected and properly used.
Remove adjusting keys and wrenches
Always check that adjusting keys and wrenches are removed from the tool before operating the tool.
Extension cables
Before use, inspect the extension cable and replace if damaged. When using the tool outdoors, only use extension cables intended for outdoor use. Up to 30 m of Black & Decker extension cable can be used without loss of power.
Use appropriate tool
The intended use is described in this instruction manual. Do not force small tools or attachments to do the job of a heavy-duty tool. The tool will do the job better and safer at the rate for which it was intended. Do not force the tool. Do not use the tool for purposes not intended, for example, do not use a circular saw to cut tree limbs or logs.
Warning! The use of any accessory or attachment or performance of any operation with this tool other than those recommended in this instruction manual may present a risk of personal injury.
Check for damaged parts
Before use, carefully check the tool and mains cable for damage. Check for misalignment and seizure of moving parts, breakage of parts, damage to guards and switches and any other conditions that may affect its operation. Ensure that the tool will operate properly and perform its intended function. Do not use the tool if any part is damaged or defective. Do not use the tool if the switch does not turn it on and off. Have any damaged or defective parts repaired or replaced by an authorised repair agent. Never attempt any repairs yourself.
Unplug the tool
Unplug the tool when it is not in use, before changing any parts of the tool, accessories or attachments and before servicing.
Avoid unintentional starting
Do not carry the tool with a finger on the on/off switch. Be sure that the tool is switched off when plugging in.
Do not abuse cord
Never carry the tool by its cord or pull it to disconnect from the socket. Keep the cord away from heat, oil and sharp edges.
Store idle tools
When not in use, tools should be stored in a dry, locked up or high place, out of reach of children.
Maintain tools with care
Keep cutting tools sharp and clean for better and safer performance. Follow the instructions for maintenance and changing accessories. Keep handles and switches dry, clean and free from oil and grease.
Repairs
This tool complies with relevant safety requirements. Repairs should only be carried out by qualified persons using original spare parts; otherwise this may result in considerable danger to the user.
Electrical safety

This tool is double insulated; therefore no earth wire is required. Always check that the power supply corresponds to the voltage on the rating plate.
Additional safety instructions for hedgetrimmers

Wear safety glasses or goggles when operating this tool.

Wear gloves when operating this tool.

Wear ear protection when operating this tool.

Immediately disconnect the cable from the mains if it is damaged or cut.

Do not expose the tool to rain or high humidity.
- Keep the cable away from the blades while using this tool.
- If you have not used a hedgetrimmer before, preferably seek practical instruction by an experienced user in addition to studying this manual.
- Never touch the blades while the tool is running.
- Never attempt to force the blades to come to a standstill.
- Do not put the tool down until the blades have come to a complete standstill.
- Regularly check the blades for damage and wear. Do not use the tool when the blades are worn or damaged.
- Take care to avoid hard objects (e.g. metal wire, railings) when trimming. Should you accidentally hit any such object, immediately switch the tool off, unplug it and check for any damage.
- Should the tool start to vibrate abnormally, immediately switch it off and check for any damage.
- If the tool stalls, immediately switch it off. Unplug the tool before attempting to remove any obstructions.
- After use, place the blade sheath supplied over the blades. Store the tool, making sure that the blade is not exposed.
- Always ensure that all handles and guards are fitted when using the tool. Never attempt to use an incomplete tool or a tool with unauthorised modifications.
- Never allow children to use the tool.
- When operating the rotating handle, hold the unit away from your body and loose clothes.
- Be aware of falling debris when cutting the higher sides of a hedge.
Features
This tool includes some or all of the following features.
-
Handle switch
-
Trigger switch
-
Rotating handle
-
Handle release button
-
Blade
-
Blade sheath
This hedgetrimmer has the following features for your benefit:
- Innovative handle for comfortable cutting.
- Laser cut and diamond ground blades for improved cutting.
- Dual action blades for reduced vibration.
Use
Changing the position of the rotating handle
Warning! Before changing the position of the rotating handle, make sure that the tool is switched off and unplugged.
Rotating the handle into the right-angle position (fig. A1 & A2)
Your hedgetrimmer will reach you with the handle in the forward position. To rotate the handle, proceed as follows:
- Support the underside of the unit with one hand.
- Press the release button (4) with your thumb and rotate the handle (3) backward with your other hand.
- Move the handle fully into the right-angle position. Make sure the handle clicks and locks into place.
Rotating the handle into the forward position (fig. B1 & B2)
To move the handle from the right-angle into the forward position, proceed as follows:
- Support the underside of the unit with one hand.
- Press the release button (4) with your thumb and rotate the handle (3) forward with your other hand.
- Move the handle fully into the forward position. Make sure the handle clicks and locks into place.
Connecting the tool to the mains
Unless the tool is fitted with a mains cable, you will need to connect an extension cable to the power inlet.
- Connect the female socket of a suitable extension cable to the power inlet of the tool.
- Insert the mains plug into a mains outlet.
Warning! The extension cable must be suitable for outdoor use. When using a cable reel, always unwind the cable completely.
ENGLISH
Switching on and off
Warning! Let the tool work at its own pace. Do not overload.
- Carefully guide the cable in order to avoid accidentally cutting it. A good way to control the cable is by putting it over your shoulder.
- For your safety, this tool is equipped with a double switching system. This system prevents starting the tool inadvertently and will only allow operation while holding the tool with both hands.
Switching on
Warning! Make sure the handle is fully locked in either the forward or the right-angle position.
- Squeeze either of the handle switches (1).
- Squeeze the trigger switch (2) to start the tool.
Switching off
- Release the handle switch (1) or the trigger switch (2).
Warning! Never attempt to lock a switch in the on position.
Hints for optimum use
- Start by trimming the top of the hedge. Slightly tilt the tool (up to 15° relative to the line of cut) so that the blade tips point slightly towards the hedge (fig. C1 & C3). This will cause the blades to cut more effectively. Hold the tool at the desired angle and move it steadily along the line of cut. The double-sided blade allows you to cut in either direction.
- In order to obtain a very straight cut, stretch a piece of string along the length of the hedge at the desired height. Use the string as a guideline, cutting just above it.
- In order to obtain flat sides, cut upwards with the growth. Younger stems move outwards when the blade cuts downwards, causing shallow patches in the hedge.
- With the handle in the forward position the tool can be used to cut the high sides of the hedge. Move the tool side to side in a 40° arc (fig. C2).
Take care to avoid any foreign objects. Especially avoid hard objects such as metal wire and railings, as these could damage the blades. - Regularly oil the blades.
Guidelines for trimming (UK & Ireland)
- Trim hedges and shrubs with seasonal leaves (new leaves every year) in June and October.
- Trim evergreens in April and August.
- Trim conifers and other fast growing shrubs every six weeks from May until October.
Guidelines for trimming (Australia & New Zealand)
♦ Trim hedges and shrubs with seasonal leaves (new leaves every year) in December and March.
- Trim evergreens in September and February.
- Trim conifers and other fast growing shrubs every six weeks from October until March.
Maintenance
Your tool has been designed to operate over a long period of time with a minimum of maintenance. Continuous satisfactory operation depends upon proper tool care and regular cleaning.
Warning! Before performing any maintenance, switch off and unplug the tool.
- After use, carefully clean the blades. After cleaning, apply a film of light machine oil to prevent the blades from rusting.
- Regularly clean the ventilation slots in your tool using a soft brush or dry cloth.
- Regularly clean the motor housing using a damp cloth. Do not use any abrasive or solvent-based cleaner.
- Make sure all the handle release buttons and switches are free of debris before and after use.
- Always store the tool with the handle locked in the forward position.
Mains plug replacement (U.K. & Ireland only)
If a new mains plug needs to be fitted:
- Safely dispose of the old plug.
- Connect the brown lead to the live terminal in the new plug.
- Connect the blue lead to the neutral terminal.
Warning! No connection is to be made to the earth terminal. Follow the fitting instructions supplied with good quality plugs. Recommended fuse: 5 A.
Troubleshooting
If the tool does not operate correctly, check the following.
Fault Possible cause Action
| Tool will not start. Blown fuse. Replace fuse.Tripped RCD. Check RCD.Mains lead not connected. Check mains supply.Handle not locked. Release handle,then re-position. |
Protecting the environment

Black & Decker provides a facility for recycling Black & Decker products once they have reached the end of their working life. This service is provided free of charge. To take advantage of this service please return your product to any authorised repair agent who will collect them on our behalf.
You can check the location of your nearest authorised repair agent by contacting your local Black & Decker office at the address indicated in this manual. Alternatively, a list of authorised Black & Decker repair agents and full details of our after-sales service and contacts are available on the Internet at: www.2helpU.com.
Technical data
| GT370 GT371 | |
| Voltage V | AC 230 230 |
| Power input W 300 300 | |
| Blade strokes (no load) min | -1 1,350 1,350 |
| Blade length cm 50 60 | |
| Blade gap mm 20 20 | |
| Blade brake time s < 1.0 < 1.0 | |
| Weight (excl. supply cord) kg 2.6 2.7 |
EC declaration of conformity
Black & Decker declares that these products conform to: 98/37/EC, 89/336/EEC, 73/23/EEC, EN 50144, EN 55014, EN 61000,
2000/14/EC, Hedgetrimmer, ≤ 520 W, Annex V L_pA (sound pressure): 86 dB(A), L_WA (acoustic power) 100 dB(A), L_WA (guaranteed) 103 dB(A), hand/arm weighted vibration < 2.5 m/s ^2

Kevin Hewitt
Director of Consumer Engineering
Spennymoor, County Durham DL16 6JG,
United Kingdom
1-10-2003
Guarantee
Black & Decker is confident of the quality of its products and offers an outstanding guarantee. This guarantee statement is in addition to and in no way prejudices your statutory rights. The guarantee is valid within the territories of the Member States of the European Union and the European Free Trade Area.
If a Black & Decker product becomes defective due to faulty materials, workmanship or lack of conformity, within 24 months from the date of purchase, Black & Decker guarantees to replace defective parts, repair products subjected to fair wear and tear or replace such products to ensure minimum inconvenience to the customer unless:
- The product has been used for trade, professional or hire purposes;
- The product has been subjected to misuse or neglect;
- The product has sustained damage through foreign objects, substances or accidents;
◆ Repairs have been attempted by persons other than authorised repair agents or Black & Decker service staff.
To claim on the guarantee, you will need to submit proof of purchase to the seller or an authorised repair agent. You can check the location of your nearest authorised repair agent by contacting your local Black & Decker office at the address indicated in this manual. Alternatively, a list of authorised Black & Decker repair agents and full details of our after-sales service and contacts are available on the Internet at:
www.2helpU.com.
Please register at our website www.blackanddecker.com to be kept up to date on new products and special offers. Further information on the Black & Decker brand and our range of products is available at www.blackanddecker.com.
Director of Consumer Engineering
Spennymoor, County Durham DL16 6JG,
Spennymoor, County Durham DL16 6JG,
Royaume Uni
1-10-2003
Garantie
Director of Consumer Engineering
Spennymoor, County Durham DL16 6JG,
Verenigd Koninkrijk
1-10-2003
Garantie
Spennymoor, County Durham DL16 6JG,
Reino Unido
1-10-2003
Garantía
Retire as chaves de aperto
Director of Consumer Engineering
Spennymoor, County Durham DL16 6JG,
Storbrittannien
1-10-2003
Reservdelar / reparationer
Spennymoor, County Durham DL16 6JG,
Storbritannia
1-10-2003
Spennymoor, County Durham DL16 6JG, UK
1-10-2003
Reservedele / reparationer
Director of Consumer Engineering
Spennymoor, County Durham DL16 6JG,
United Kingdom
1-10-2003
informative went to octavenen.
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Dealer addresses Date of purchase
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