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Yard force LM G34 - User Manual

Yard force LM G34
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READ & UNDERSTAND
INSTRUCTION MANUAL
Save all warnings and instructions for future reference.
LM G34/LM G37
Y0J-SP01-3440/Y0J-SP01-37
Service centre: +44(0)1904727513
Mail: support@yardforce.co.uk
Web: www.yardforce.co.uk
SUMEC UK
UNIT A&B ESCRICK BUSINESS PARK
ESCRICK, YORK
YO19 6FD
40V CORDLESS LAWNMOWER
Original Instructions
GB
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Summary

Intended Use

General Safety Warnings

Training

Read instructions carefully, understand controls, and ensure familiarity with product use.

Preparation

Wear appropriate clothing, inspect area for objects, check blade assembly, and ensure switch is off before battery insertion.

Product Safety Warnings

General Operation

Use designated battery packs, operate in daylight, avoid wet conditions, maintain footing on slopes.

Product Safety Warnings

Avoid operating in rain, maintain footing, walk not run, mow across slopes, use caution reversing, stop blades when tilting.

Product Safety Warnings (Charger & Battery)

Charger

Use specified charger, check for damage, ensure correct voltage, avoid cord abuse, keep cord safe, keep charger clean.

Battery pack

Charge fully before use, recharge when power slows, avoid extreme temperatures, do not short-circuit, use correct fire extinguisher.

Product Safety Warnings (Battery Maintenance)

Battery maintenance

Protect from moisture, store within temperature range, clean regularly, charge/discharge every 6 months if unused.

Maintenance and Storage

Storage and transport

Clean thoroughly, store in dry room, fold handles for storage, remove safety key and battery packs.

Transport

Use original packaging to ship whenever possible.

Symbols

Safety symbols

Attract attention to dangers, explain symbols, and emphasize caution and understanding of instructions.

Symbol meanings

Depicts and describes safety symbols on product. Read and understand all instructions before assembly and operation.

Symbols (WEEE, Battery, Charger Warnings)

WEEE symbol

Waste electrical products should not be disposed of with household waste; recycle where facilities exist.

Warning symbols on the battery pack

Read manual carefully, do not throw into water, do not throw on fire, avoid strong sunlight, do not leave on heater.

Warning symbols on the charger

Read manual carefully, charger is for indoor use only, double insulation, protective fuse, pole orientation.

Technical Data

Description of Product

Parts Description (Fig. A)

Lists numbered parts of the lawnmower, e.g., switch box, handles, wheels, battery pack tank cover.

Check the Delivery Parts (Fig. B)

Lists parts included in the package, e.g., lawnmower, handles, grass bag, battery pack, charger.

Installation

Assemble the Lower Handle (Fig. C)

Attach two tooth clamps to the lower handle.

Attach the Lower Handle to the Lawnmower (Fig. D)

Install lower handle with quick release clamps, ensuring teeth interlock correctly.

Attach the Top Handle to the Lawnmower (Fig. E)

Mount top handle to lower handle using quick release clamps with curved head.

Fitting the Cable Clip (Fig. F)

Use cable clips to fix the cable to the lower handle.

Attach the Grass Bag

Fix grass bag to frame using plastic hooks, secure with ejector flap.

Operation

Basic Operation Steps

Includes setting cutting height, installing/removing battery, safety key, and switching on/off the mower.

Advanced Operation & Protection

Covers mowing on slopes, overload protection, battery temperature limits, and grass bag indicator.

Maintenance and Storage

Cleaning the Product

Use soft brush for debris, wear safety glasses, wipe with damp cloth. Do not spray with water.

Maintenance

Keep nuts/bolts tight, check grass bag for wear, examine machine for worn/damaged parts.

Removing;Installing the Blade (See Fig. R)

Use wrench to remove/fit blade bolt. Wear gloves. Retighten securely to 20N.m. Replace/re-sharpen at service centre.

Battery Maintenance

Protect from moisture, store within temperature range, clean regularly, charge/discharge every 6 months if unused.

Maintenance and Storage (Storage & Transport)

Storage and Transport

Clean thoroughly, store in dry room, fold handles for storage, remove safety key and battery packs.

Transport

Use original packaging to ship whenever possible.

Troubleshooting

CE Declaration

Summary

Intended Use

General Safety Warnings

Training

Read instructions carefully, understand controls, and ensure familiarity with product use.

Preparation

Wear appropriate clothing, inspect area for objects, check blade assembly, and ensure switch is off before battery insertion.

Product Safety Warnings

General Operation

Use designated battery packs, operate in daylight, avoid wet conditions, maintain footing on slopes.

Product Safety Warnings

Avoid operating in rain, maintain footing, walk not run, mow across slopes, use caution reversing, stop blades when tilting.

Product Safety Warnings (Charger & Battery)

Charger

Use specified charger, check for damage, ensure correct voltage, avoid cord abuse, keep cord safe, keep charger clean.

Battery pack

Charge fully before use, recharge when power slows, avoid extreme temperatures, do not short-circuit, use correct fire extinguisher.

Product Safety Warnings (Battery Maintenance)

Battery maintenance

Protect from moisture, store within temperature range, clean regularly, charge/discharge every 6 months if unused.

Maintenance and Storage

Storage and transport

Clean thoroughly, store in dry room, fold handles for storage, remove safety key and battery packs.

Transport

Use original packaging to ship whenever possible.

Symbols

Safety symbols

Attract attention to dangers, explain symbols, and emphasize caution and understanding of instructions.

Symbol meanings

Depicts and describes safety symbols on product. Read and understand all instructions before assembly and operation.

Symbols (WEEE, Battery, Charger Warnings)

WEEE symbol

Waste electrical products should not be disposed of with household waste; recycle where facilities exist.

Warning symbols on the battery pack

Read manual carefully, do not throw into water, do not throw on fire, avoid strong sunlight, do not leave on heater.

Warning symbols on the charger

Read manual carefully, charger is for indoor use only, double insulation, protective fuse, pole orientation.

Technical Data

Description of Product

Parts Description (Fig. A)

Lists numbered parts of the lawnmower, e.g., switch box, handles, wheels, battery pack tank cover.

Check the Delivery Parts (Fig. B)

Lists parts included in the package, e.g., lawnmower, handles, grass bag, battery pack, charger.

Installation

Assemble the Lower Handle (Fig. C)

Attach two tooth clamps to the lower handle.

Attach the Lower Handle to the Lawnmower (Fig. D)

Install lower handle with quick release clamps, ensuring teeth interlock correctly.

Attach the Top Handle to the Lawnmower (Fig. E)

Mount top handle to lower handle using quick release clamps with curved head.

Fitting the Cable Clip (Fig. F)

Use cable clips to fix the cable to the lower handle.

Attach the Grass Bag

Fix grass bag to frame using plastic hooks, secure with ejector flap.

Operation

Basic Operation Steps

Includes setting cutting height, installing/removing battery, safety key, and switching on/off the mower.

Advanced Operation & Protection

Covers mowing on slopes, overload protection, battery temperature limits, and grass bag indicator.

Maintenance and Storage

Cleaning the Product

Use soft brush for debris, wear safety glasses, wipe with damp cloth. Do not spray with water.

Maintenance

Keep nuts/bolts tight, check grass bag for wear, examine machine for worn/damaged parts.

Removing;Installing the Blade (See Fig. R)

Use wrench to remove/fit blade bolt. Wear gloves. Retighten securely to 20N.m. Replace/re-sharpen at service centre.

Battery Maintenance

Protect from moisture, store within temperature range, clean regularly, charge/discharge every 6 months if unused.

Maintenance and Storage (Storage & Transport)

Storage and Transport

Clean thoroughly, store in dry room, fold handles for storage, remove safety key and battery packs.

Transport

Use original packaging to ship whenever possible.

Troubleshooting

CE Declaration

Overview

The YARD FORCE LM G34/LM G37 is a 40V cordless lawnmower designed for cutting grass in domestic settings. It is not intended for commercial, trade, or industrial applications, and using it for such purposes will void the warranty. The product emphasizes user safety, requiring careful reading and understanding of all instructions and warnings before operation.

Function Description

The primary function of the YARD FORCE LM G34/LM G37 is to cut grass using a rotating blade powered by a 40V Li-ion battery. It features adjustable cutting heights and a grass collection bag for efficient lawn maintenance. The lawnmower is equipped with a safety key to prevent accidental start-up and an overload protection circuit to prevent damage from excessive load.

Important Technical Specifications

The LM G34 and LM G37 models share many specifications but differ in cutting width and battery capacity.

Mower Type:

  • LM G34: 40V d.c. / 2.5Ah Li-ion battery
  • LM G37: 40V d.c. / 4.0Ah Li-ion battery

General Specifications:

  • No-load cutting speed: 3400 min⁻¹ for both models
  • Cutting width: 34 cm (LM G34), 37 cm (LM G37)
  • Cutting height: 25-75mm, 7 positions for both models
  • Capacity of grass bag: 45 L for both models
  • Weight: 14.5 kg (LM G34), 15.5 kg (LM G37)

Noise and Vibration:

  • Measured sound pressure level (LPA): 74.8 dB(A), K=3 dB(A) for LM G34; 74.1 dB(A), K=3 dB(A) for LM G37
  • Guaranteed sound power level: 96 dB(A) for both models
  • Vibrations: 0.99 m/s² K=1.5 m/s² for LM G34; 1.32 m/s² K=1.5 m/s² for LM G37

Battery Pack (Li-ion):

  • Model: B0P136 ZF (LM G34), B0P136AA (LM G37)
  • Capacity: 2.5Ah (LM G34), 4.0Ah (LM G37)
  • Charging time Max.: 1.5 hr (LM G34), 2 hr (LM G37)

Battery Charger:

  • Model: B0Q136-AB for both models
  • Input: 220-240V AC, 50/60Hz 100W
  • Output: DC 40V, 2A
  • Protection class: II
  • Charger is for indoor use only.
  • Double insulation.
  • Protective 3.15A limited.
  • Pole orientation.

Usage Features

Assembly:

  • The lower handle is assembled by attaching two tooth clamps.
  • The lower handle is then installed onto the lawnmower using two quick-release clamps, ensuring correct interlocking of fixing gears.
  • The top handle is mounted to the lower handle with two quick-release clamps.
  • Cable clips are used to secure the cable to the lower handle.
  • The grass bag is attached to its frame using plastic hooks and then secured by lifting the safety flap and releasing the ejector flap.

Battery Charging:

  • The battery pack should be fully charged before first use.
  • Connect the charger to a power supply; a beep and green LED will indicate readiness.
  • Insert the battery pack into the charger, aligning ribs with grooves.
  • The green LED will flash during normal charging.
  • Upon completion, a beep will sound, and four green lights on the battery pack will illuminate for 3-5 seconds before turning off.
  • The charging light will turn red and flash, accompanied by beeps, if there's poor communication, out-of-range battery temperature (5-45°C), low battery voltage (<32V), or output/battery pack overload.
  • A power indicator on the battery pack shows remaining charge via LEDs when the button is pressed. A flashing red LED indicates charge below 1%, requiring recharge.

Operation:

  • Cutting Height Adjustment: Push the adjusting lever out of the tooth and move it to the desired position.
  • Battery Insertion/Removal: Align and push the battery pack into its compartment until it clicks, then close the tank cover. To remove, open the cover, pull the release button, and the pack will eject.
  • Safety Key: The lawnmower is equipped with a safety key to prevent accidental start-up. It must be inserted for operation and removed for safety when not in use.
  • Switching On/Off: To switch on, press and hold the safety button with one hand, then pull the switch bar towards the handle with the other hand. To switch off, release the switch bar. Do not continuously press the start button after an automatic shut-off to prevent battery damage.
  • Blade Stop Warning: The blade continues to run for several seconds after the motor is switched off; avoid touching the underside until it stops completely.
  • Operating on Slopes: Mow across slopes, never up and down. Exercise caution when changing direction. Watch for obstacles. Do not mow near drop-offs, ditches, embankments, or on wet grass. Avoid slopes greater than 15 degrees.
  • Overload Protection: The mower will stop if overloaded. Reduce cutting pace or raise cutting height. Clear any collected grass beneath the deck before restarting.
  • Battery High Temperature Protection: If the battery temperature exceeds 70°C, the mower will turn off. Release the bail handle, allow the battery to cool, then restart.
  • Grass Bag Full Indicator: An open indicator means the bag is empty; a closed indicator means it's full.
  • Emptying the Grass Bag: Switch off the engine and wait for the blade to stop. Lift the safety flap, grab the carry handle, and remove the bag. Empty the grass bag and refit it. Clear any grass residue in the discharge chute or mower casing with a brush.

Maintenance Features

General Maintenance:

  • Always remove the battery pack/safety key and allow the machine to cool down before any maintenance or cleaning.
  • Wear gardening gloves when handling sharp blades.
  • Keep all nuts, bolts, and screws tight.
  • Regularly check the grass bag for wear or deterioration.
  • Examine and replace worn or damaged parts for safety.

Cleaning:

  • Use a soft brush to remove dust and debris. Wear safety glasses.
  • Wipe the product enclosure with a damp cloth. Do not spray water directly on the unit, as it can damage the switch unit and electric motor.

Blade Maintenance:

  • To remove the blade, use the correct size wrench to uninstall the blade bolt nut. Wear heavy gloves, hold the blade, and turn the wrench anti-clockwise.
  • Fit the replacement blade with the marking facing up, align pegs, refit the bolt, and retighten securely to 20N.m.
  • Replace or re-sharpen the mowing blade at the end of the season. Unbalanced blades cause violent vibrations and increase accident risk. It is recommended to have blades re-sharpened or replaced by a Yard Force service centre.

Battery Maintenance:

  • Protect the battery against moisture and water.
  • Store the battery within 5°C to 45°C. Avoid direct sunlight for extended periods.
  • Clean the battery regularly with a soft, dry brush.
  • If not used for a long time, charge and discharge the battery pack every 6 months.
  • Never allow the battery to completely discharge before recharging. Recharge when the power output slows.
  • Avoid short charges; ensure full charging cycles.
  • Keep battery packs away from metal objects to prevent short-circuiting.
  • Unplug the charger when not in use and store it in a dry, secure place.
  • Allow the battery pack to cool for approximately 30 minutes after use before recharging.
  • If the battery pack becomes too hot during charging, disconnect and switch off immediately, then contact the service centre.
  • Do not attempt to open the battery yourself.
  • Every deep discharge cycle reduces battery capacity. To prolong battery life, charge the battery every six months during extended periods of non-use.

Storage and Transport:

  • After cleaning, store the mower in a dry room and allow the motor to cool down.
  • For reduced storage space, the lawnmower can be folded by loosening the quick-release lock system on the handles and folding them.
  • Remove the safety key and battery packs before storage. Ensure cables are not trapped when folding/unfolding the handle.
  • If stored vertically, position the mower in a corner with the blade facing inwards against a wall and secure it to prevent it from falling over.
  • Use the original packaging for shipping whenever possible.

Troubleshooting: The manual provides a troubleshooting guide for common issues such as the mower failing to start, stopping/losing power, insufficient grass bag filling, vibrating at high speed, or cutting unevenly. Solutions range from inserting the safety key, recharging the battery, adjusting cutting height, cleaning the housing, to replacing or sharpening the blade.

Yard force LM G34 Specifications

General IconGeneral
BrandYard force
ModelLM G34
CategoryLawn Mower
LanguageEnglish

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