greenworks STF456 Cordless Brushcutter Instruction Manual

greenworks STF456 Cordless Brushcutter

Product information

Specifications

• Category: String Trimmer & Brush Cutter
• Model: 2100207 (STF456)
• Serial Number: See product rating label
• Year of Construction: See product rating label
• String Trimmer Measured Sound Power Level: 93 dB(A)
• String Trimmer Guaranteed Sound Power Level: 96 dB(A)
• Brush Cutter Measured Sound Power Level: 92.7 dB(A)
• Brush Cutter Guaranteed Sound Power Level: 96 dB(A)

Product Usage Instructions

Description

Purpose
The purpose of this product is to trim and cut grass and brush in outdoor areas.

Product Overview
This product is a string trimmer and brush cutter designed for use in outdoor environments. It comes with a guard, auxiliary handle, shoulder strap, and battery pack.

Safety
It is important to follow safety guidelines when using this product to prevent accidents and injuries. Please read the safety instructions provided in the user manual before operating the machine.

Installation

Before using the product, follow these steps for installation:

• Unpack the machine
  Remove the product from its packaging and ensure that all parts are included.

• Attach the guard
  Attach the guard to the cutting head of the trimmer according to the instructions provided in the user manual.

• Assemble the shaft
  Assemble the shaft of the trimmer by connecting the different sections together until securely fastened.

• Attach the auxiliary handle
  Attach the auxiliary handle to the shaft of the trimmer in a comfortable position for the user.

• Use the shoulder strap
  If desired, attach the shoulder strap to the trimmer for added support and ease of use during operation.

• Install the battery pack
  If using a battery-powered version of the trimmer, install the battery pack according to the instructions provided.

• Remove the battery pack
  To remove the battery pack, follow the instructions provided in the user manual.

Surgery

Follow these guidelines for operating the product:

• Start the machine
  Before starting the machine, ensure that all safety precautions have been taken. Follow the instructions provided in the user manual to start the trimmer.

• Stop the machine
  To stop the machine, release the power button or switch according to the instructions provided.

• Operation tips
  Read and follow the operation tips provided in the user manual for efficient and safe use of the trimmer.

• Cutting tips
  Follow the cutting tips provided in the user manual for best results when trimming and cutting grass and brush.

• Adjust the length of the cutting line
  To adjust the length of the cutting line, follow the instructions provided in the user manual.

FAQ

• Q: How do I attach the guard to the trimmer?
  A: To attach the guard, follow the instructions provided in the user manual. It should securely fit onto the cutting head of the trimmer.

• Q: Can I use the trimmer without the shoulder strap?
  A: Yes, you can use the trimmer without the shoulder strap if desired. However, using the shoulder strap can provide added support and ease of use during operation.

DECLARATION OF CONFORMITY (UK)

Name and address of the manufacturer:

• Name: GLOBGRO AB Globe Group Europe
• Address: Riggaregatan 53, 211 13 Malmö Sweden

Name and address of the Authorized representative:

• Name: Garden Equipment Ltd
• Address: First Floor, 3a Groveley Road, Christchurch, Dorset, BH23 3HB, UK

Name and address of the person authorized to compile the technical file:

• Name: Simon Del-Nevo
• Address: First Floor, 3a Groveley Road, Christchurch, Dorset, BH23 3HB, UK

Here we declare that the product

• Category: String Trimmer & Brush Cutter
• Model: 21 00207 (STF456)
• Serial number: See product rating label
• Year of Construction: See product rating label

1. conforms with the relevant provisions of the Supply of Machinery (Safety) Regulations 2008.
2. conforms with the provisions of the following other UK legislation:
   • Electromagnetic Compatibility Regulations 2016
   • Noise Emission in the Environment by Equipment for Use Outdoors Regulations 2001
   • The Restriction of the Use of Certain Hazardous Substances in Electrical and Electronic Equipment Regulations 2012

Furthermore, we declare that the following standards have been used:

1. BS EN 60335-1, BS EN 50636-2-91, BS EN 62233, BS EN 55014-1, BS EN 55014-2, BS EN ISO 11806-1, BS EN ISO 3744, ISO 11094, BS EN 62321-3-1, BS EN 62321-4 BS EN 62321-5, BS EN 62321-6, BS EN 62321-7-1, BS EN 62321-7-2, BS EN 62321-8

Conformity assessment method to Annex E Noise Emission in the Environment by Equipment for Use Outdoors Regulations 2001.

String Trimmer:

• Measured sound power level 93 dB(A)
• Guaranteed sound power level 96 dB(A)

Brush Cutter:

• Measured sound power level 92.7 dB(A)
• Guaranteed sound power level 96 dB(A)

Place, date: Christchurch, Dorset, UK 07.06.2021

Signature: Ted Qu, Quality Director

DESCRIPTION

PURPOSE
This machine is used to cut grass, light weeds, and other similar vegetation at or around ground level. The cutting plane must be approximately parallel to the ground surface. You cannot use the machine to cut or chop hedges, shrubs, bushes, flowers and compost.

PRODUCT OVERVIEW

Figure 1-22.

1. Battery slot
2. Rear handle
3. Lock-out button
4. Speed button
5. On/off button
6. Trigger
7. Carrying ring
8. Auxiliary handle
9. Upper shaft
10. Coupler
11. Lower shaft
12. Guard
13. Cutting blade
14. Trimmer head
15. Cut-off blade
16. Guard cap
17. Release button
18. Positioning hole
19. Knob
20. Lower clamp
21. Battery release button
22. Spool cover
23. Spool
24. Bump knob
25. Spool cover line slot
26. Slot
27. Line slot
28. Trimmer head tool
29. Inner cup
30. Plate
31. Outer cup
32. Nut
    • A. Direction of rotation
    • B. Best cutting area
    • C. Dangerous cutting area

SAFETY

WARNING
Make sure that you follow all safety instructions.

• Refer to the Safety Manual.

INSTALLATION

• WARNING
  Remove the battery pack from the machine before installation.

• WARNING
  Do not use accessories that are not recommended for this machine.

UNPACK THE MACHINE

• WARNING
  Make sure that you correctly assemble the machine before use.

• WARNING

  • If parts of the machine are damaged, do not use the machine.
  • If parts are missing, do not operate the machine.
  • If parts are damaged or missing, contact the service center.

1. Open the package.
2. Read the documentation provided in the box.
3. Remove all the unassembled parts from the box.
4. Remove the machine from the box.
5. Discard the box and packing material in compliance with local regulations.

WARNING
For your personal safety, do not insert the battery before the tool is assembled completely.

ATTACH THE GUARD Figure 2.

WARNING
Do not touch the cut-off blade.

1. Remove the screws from the trimmer head with a Phillips screwdriver (not provided).
2. Put the guard onto the trimmer head.
3. Align the screw holes on the guard with the screw holes on the trimmer head.
4. Tighten the screws.
5. Put the guard cap onto the guard.
6. Align the screw holes on the guard cap with the screw holes on the guard.
7. Tighten the screws.

ASSEMBLE THE SHAFT Figure 3.

1. Loosen the knob on the coupler.
2. Push in the release button on the lower shaft.
3. Align the release button with the positioning hole and move the two shafts towards each other.
4. Turn the lower shaft until the button locks into the positioning hole.
5. Tighten the knob.

ATTACH THE AUXILIARY HANDLE Figure 4.

1. Remove the screws from the handle with a Phillips screwdriver (not provided).
2. Attach the auxiliary handle and lower clamp on the shaft.
3. Set the auxiliary handle in a comfortable position.
4. Tighten the screws.

USE THE SHOULDER STRAP Figure 5

1. Attach the carabiner to the carrying ring on the pole.
2. Put on the shoulder strap.
3. Adjust the length of the strap so that the carabiner is about the width of a hand below your right hip.

INSTALL THE BATTERY PACK Figure 6.

WARNING

• If the battery pack or charger is damaged, replace them directly.
• Stop the machine and wait until the motor stops before you install or remove the battery pack.
• Read, understand, and follow the instructions in the battery and charger manual.

1. Align the lift ribs on the battery pack with the grooves in the battery slot.
2. Push the battery pack into the battery slot until the battery pack locks into place.
3. When you hear a click, the battery pack is installed.

REMOVE THE BATTERY PACK Figure 6.

1. Push and hold the battery release button.
2. Remove the battery pack from the machine.

OPERATION

• IMPORTANT
  Before you operate the machine, read and understand the safety regulations and the operation instructions.

• WARNING
  Be careful when you operate the machine.

START THE MACHINE Figure 7.

1. Push the on/off button.
2. Push the lock-out button and pull the trigger.
3. Push the speed button to adjust the speed according to the grass condition.

STOP THE MACHINE Figure 7.

1. Release the trigger.
2. Push the on/off button again to turn the machine off.

OPERATION TIPS Figure 8.

• WARNING
  Keep clearance between the body and the machine.

• WARNING
  Do not operate the machine without a guard in place.

Follow these tips when you use the machine:

• Keep the machine connected to the correctly worn harness.
• Keep a firm hold with two hands on the machine while you operate the machine.
• Cut tall grass from the top down.

If grass winds around the trimmer head:

• Remove the battery pack.
• Remove the grass.

CUTTING TIPS Figure 9.

• Tilt the machine towards the area to be cut. Use the tip of the cutting line to cut grass.
• Move the machine from right to left to prevent debris toward the operator.
• Do not cut in dangerous areas.
• Do not force the trimmer head into uncut grass.
• Wire and picket fences cause cutting line wear and breakage. Stone and brick walls, curbs, and wood can wear the cutting line quickly.

ADJUST THE LENGTH OF THE CUTTING LINE Figure 10.
While you operate the machine, the cutting line gets worn and shorter. You can adjust the length of the cutting line.

1. Hit the trimmer’s head against the ground while you operate the machine.
2. The line is automatically released and the cut-off blade cuts the excess length.

ADJUST THE CUTTING DIAMETER Figure 11.

NOTE

• The machine is set at a 356 mm cutting diameter. You can adjust to a 406 mm cutting diameter.
• Set the cutting diameter to 356 mm for greater runtime and 406 mm for a larger cutting area.

1. Remove the battery pack.
2. Remove the blade screws from the cut-off blade.
3. Turn the cut-off blade 180°.
4. Tighten the blade screws.

MAINTENANCE

• IMPORTANT
  Read and understand the safety regulations and the maintenance instructions before you clean, repair or do the maintenance work on the machine.

• IMPORTANT

  • Make sure that all nuts, bolts and screws are tight.
  • Check regularly that the handles are firmly mounted.

• IMPORTANT
  Use only the replacement parts and accessories of the initial manufacturer.

GENERAL INFORMATION

IMPORTANT
Only your dealer or approved service center can do the maintenance that is not given in this manual.

Before the maintenance operations:

• Stop the machine.
• Remove the battery pack.
• Cool the motor.
• Store the machine in a cool and dry place.
• Use correct clothing, protective gloves and safety glasses.

CLEAN THE MACHINE

• Clean the machine after each use with a moist cloth dipped in neutral detergent.
• Do not use aggressive detergents or solvents like “glass cleaner” to clean the plastic parts or handles.
• Keep the trimmer head free from grass, leaves, or excessive grease.
• Keep the air vents clean and free of debris to avoid overheating and damage of the motor.
• Do not spray water onto the motor and electrical components.

REPLACE THE SPOOL Figure 12, 16-19.

1. Push the tabs on the sides of the trimmer head at the same time.

2. Pull and remove the spool cover.

3. Remove the remaining spool.

4. Install the new spool.

5. Put the spool in the spool cover.
   NOTE
   Make sure that the cutting line is in the line slot on the new spool, and is extended approximately 15 cm before you install the new spool.

6. Put the ends of the cutting lines through the spool cover line slots.

7. Extend the cutting line to release it from the line slots in the spool.

8. Install the spool and spool cover onto the trimmer head.

9. Push the spool cover until it clicks into position.

REPLACE THE CUTTING LINE

Figure 13-15.

• NOTE
  Remove the remaining cutting line on the spool.

• NOTE
  Use only with the nylon cutting line of 2 mm diameter.

1. Cut a piece of cutting line approximately 3m long.
2. Bend the line at the midpoint and hook the loop into the slot in the center rim of the spool. Make sure that the line snaps into position in the slot.
3. With your finger between the lines, wind the lines equally and tightly around the spool in the indicated direction.
4. Put the lines in the line slots.
5. Do not wind the lines beyond the edge of the spool.

REMOVE THE TRIMMER HEAD Figure 20.

1. Put the trimmer head tool in the specified angle transmission hole to fix the trimmer head.
2. Turn the trimmer head clockwise to loosen it. Do not remove the spacer from the shaft.

ASSEMBLE THE TRIMMER HEAD Figure 20.

1. Put the trimmer head tool in the specified angle transmission hole to fix the trimmer head.
2. Assemble the trimmer head.
3. Turn the trimmer head counterclockwise to tighten it.
4. Remove the trimmer head tool.

IMPORTANT
You must install the cut-off blade when you use the trimmer head.

ASSEMBLE THE BRUSH CUTTER Figure 21-22.

• WARNING
  Wear gloves and be careful with sharp edges.

• WARNING
  Apply the guard to the cutting blade.

• WARNING
  Use the specified nut which is packed with the cutting blade, to assemble the cutting blade.

1. Put the trimmer head tool in the specified angle transmission hole to fix the trimmer head.
2. Put the inner cup onto the center shaft.
3. Put the cutting blade on top of the inner cup. Make sure the cutting blade is in the center.
4. Put the plate above the cutting blade.
5. Put the outer cup above the plate.
6. Put the nut above the outer cup.
7. Tighten the nut counter-clockwise with the wrench.

REMOVE THE BRUSH CUTTER Figure 21-22.

WARNING
Apply the guard to the cutting blade.

1. Put the trimmer head tool in the specified angle transmission hole to fix the trimmer head.
2. Loosen the nut clockwise and remove the outer cup.
3. Remove the plate and cutting blade.
4. Remove the inner cup.

TRANSPORTATION AND STORAGE

MOVE THE MACHINE
When you move the machine, you must:

• Wear gloves.
• Stop the machine.
• Remove the battery pack.
• Assemble the blade guard.

STORE THE MACHINE

• Remove the battery pack from the machine and charge it.
• Make sure that children cannot come near the machine.
• Keep the machine away from corrosive agents such as garden chemicals and de-icing salts.
• Secure the machine during transportation to prevent damage or injury. Clean and examine the machine for any damage.

TROUBLESHOOTING

2. Check the contact and install the battery pack again.

The battery pack is depleted.| Charge the battery pack.
The lock-out button and trigger are not pushed at the same time.| 1. Pull the lock-out button and hold it.

2. Pull the trigger to start the machine.

The machine stops when you cut.| The guard is not attached to the machine.| Remove the battery pack and attach the guard to the machine.
---|---|---
A heavy cutting line is used.| Use only with the nylon cutting line of 2 mm diameter.
 | The grass winds around the motor shaft or the trimmer head.| 1. Stop the machine.

2. Remove the battery pack.

 |  | 3. Remove the grass from the motor shaft and trimmer head.
 | The motor is overloaded.| 1. Remove the trimmer head from the grass.
 |  | 2. The motor will recover to work as soon as the load is removed.
 |  | 3. When you cut, move the trimmer head in and out of the grass to be cut and removed no more than 20 cm in pass.
 | The battery pack or machine is too hot.| 1. Cool the battery pack until its function returns to normal.
 |  | 2. Cool the machine for approximately 10 minutes.
 | The battery pack is disconnected from the tool.| Install the battery pack again.
 | The battery pack is depleted.| Charge the battery pack.
The line does not extend.| Lines are welded to themselves.| Lubricate with silicone spray.
Not enough line on the spool.| Install more lines.
The lines are worn and too short.| Extend the line.
Lines are tangled on the spool.| 1. Remove the lines from the spool.

2. Wind the lines.

The line keeps breaking.| The machine is used incorrectly.| 1. Cut with the tip of the line, avoid stones, walls, and other hard objects.

2. Advance the cutting line regularly to keep the full cutting width.

---|---|---
The grass winds around the trimmer head and motor housing.| Cut tall grass at ground level.| 1. Cut tall grass from the top down.

2. Remove no more than 20 cm in each pass to prevent wrapping.

The line does not cut well.| The cut-off blade becomes dull.| Sharpen the cut- off blade with a file or replace it.
Vibration increases obviously.| The line is worn down on one side and not extended in time.| Make sure that the line on both sides is equal. Extend the line.

TECHNICAL DATA

• 96 dB. Noise value. (Grass trimmer)
• 96 dB. Noise value. (Brush cutter)

WARRANTY

(The full warranty terms and conditions can be found on the Greenworks website https://www.greenworkstools.eu) The Greenworks warranty is for 3 years on the product and 2 years on batteries (consumer/private usage) from the date of purchase. This warranty covers manufacturing faults. A faulty product under warranty might be either repaired or replaced. A unit that has been misused or used in other ways than described in the owner’s manual might be rejected for warranty. Normal wear and wear parts are not considered a warranty. The original manufacturer warranty is not affected by any additional warranty offered by a dealer or retailer.

A faulty product must be returned to the point of purchase to claim for warranty, together with the proof of purchase (receipt).

EC DECLARATION OF CONFORMITY

Name and address of the manufacturer:

• Name: GLOBGRO AB Globe Group Europe
• Address: Riggaregatan 53, 211 13 Malmö, Sweden

Name and address of the person authorized to compile the technical file:

• Name: Micael Johansson
• Address: Riggaregatan 53, 211 13 Malmö, Sweden

Herewith we declare that the product

• Category: String trimmer/Brushcutter
• Model: 2100207 (STF456)
• Serial number: See product rating label
• Year of Construction: See product rating label

conforms with the relevant provisions of the Machinery Directive 2006/42/EC.

Conforms with the provisions of the following other EC-Directives:

• 2014/30/EU
• 2000/14/EC & 2005/88/EC
• 2011/65/EU & (EU)2015/863

Furthermore, we declare that the following parts, and clauses of harmonized standards have been used:

• EN 60335-1 EN 50636-2-91; EN 62233; EN 55014-1; EN 55014-2; EN ISO 3744; ISO 11094; EN ISO 11806-1; IEC 62321-7-2; IEC 62321-4; IEC 62321-5; IEC 62321-6; IEC 62321-7-1; IEC 62321-8; IEC 62321-3-1

Conformity assessment method to Annex VI / Directive 2000/14/EC.

String trimmer

• Measured sound power level: LWA: 93 dB(A)
• Guaranteed sound power level: LWA.d: 96 dB(A)

Brush cutter

• Measured sound power level: LWA: 92.7 dB(A)
• Guaranteed sound power level: LWA.d: 96 dB(A)
• Place, date: Signature: Ted Qu, Quality Director

Malmö, 06.06.2022

www.greenworkstools.eu

References

• Powerful Cordless Gardening Tools | Greenworks Tools
• Greenworks | Battery-powered tools for your home & garden

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