GeoRipper GR16 Manuale utente

FOUR ASHES MACHINERY LTD

www.georipper.co.uk

Operator’s Safety and Operation Manual

GeoRipper Mini Trencher

Models GR16, GR20 and GR27

Options M, H or S

These are the original English instructions. IMPORTANT: read this instruction manual carefully before operating the

GeoRipper© Trencher and strictly observe the safety regulations. Keep this instruction manual!

March 2020

Original Version 1.4

FOUR ASHES MACHINERY LTD

www.georipper.co.uk

1PREFACE

1.1 Description of the User and Intended Use

The GeoRipper© Mini Trencher is intended to cut narrow trenches in most types of soil for laying pipes, cables,

drainage system, root pruning, root barrier and any other applications where the cutting of a trench in the soil is

required. It is not intended for cutting into solid ground like tarmac or concrete paths, or solid objects such as stones

or tree roots over 7cm in diameter. The user must be an adult 18+ and wear the required Personal Protective

Equipment (PPE) including gloves, eye protection, face shield, ear protection, steel toe-cap footwear, and in some

instances, shin pads. The user is required to know about the safe operation and maintenance of the GeoRipper©

and have read, understood and followed the information detailed in this manual. Persons unfamiliar with the

Instruction Manual, children, persons under 18 and persons under the influence of alcohol, drugs or medication

must not operate the GeoRipper©

This document is intended solely for the authorised user of the GeoRipper© and is an essential part of the machine.

This document is intended to help familiarise the user with the operation and safe handling of the GeoRipper©.

1.2 Explanation of Safety Warnings and Symbols

ISO 3864 and ANSI Z535 Safety Signals

Danger indicates a hazard with a high level of risk which, if not avoided, will result in death or serious injury

Warning indicates a hazard with a medium level of risk which, if not avoided, could result in death or serious injury.

Caution indicates a hazard with a low level of risk which, if not avoided, could result in minor or moderate injury.

Indicates information considered important, but not hazard-related.

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1.3 Retaining Instructions

Read and understand this manual and its safety instructions before using this product. Failure to do so can result in

serious injury or death. Follow all the instructions. This will avoid fire, explosions, electric shocks or other hazards

that may result in damage to property and/or severe or fatal injuries. The product shall only be used by persons who

have fully read and understand the contents of this user manual. Employers have a responsibility to ensure that each

person who uses the product has read these warnings and instructions and follows them. Keep all safety information

and instructions for future reference and pass them on to subsequent users of the product. The manufacturer is not

liable for cases of material damage or personal injury caused by incorrect handling or non-compliance with the

safety instructions. In such cases, the warranty will be void.

Recycling

Electrical danger

Fuel and oil mixture

Particular care and caution

Direction of chain rotation

Wear dust mask

Wear steel toe caps footwear No smoking or naked flame

Stop the engine

Wear ear protection

Danger, risk of kickback

Wear eyes protection

Risk of hand injury

Wear protective gloves

Read the Instruction Manual Foot injury risk

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2Description of the GeoRipper©

2.1 Intended Use and Reasonably Foreseeable Misuse

The GeoRipper© is intended to be used as an outdoor landscaping power tool for trenching purposes in suitable

ground conditions as described in this manual. The GeoRipper© can be used hand held or mounted on its EZ Kart©

and must always be coupled to an approved drive unit. The user must have read and understood the instruction

manual and wear the appropriate recommended Personal Protective Equipment (PPE) before operating the

GeoRipper©. Failure to wear the recommended PPE is considered improper use. Failure to read and understand this

manual is considered improper use.

The GeoRipper© shall not be used as a forestry tool to cut or fell trees or branches. The GeoRipper© must not be

used in extremely stony grounds, solid rocks, tarmac, concrete or any other unsuitable ground conditions which do

not allow trenching. Do not use in contaminated ground. The GeoRipper© must not be used underground, indoor or

in any other enclosed areas. The GeoRipper© must only be operated by one user and the operation of the

GeoRipper© by two or more users is not permitted and considered improper use.

Failure to follow the instructions provided in this manual regarding operation, maintenance and servicing is

considered improper use and will void the warranty. Four Ashes Machinery Ltd. will not be liable for any accidents or

damages resulting from improper use of the GeoRipper©.

The GeoRipper© shall be used with the following original and model dependents accessories and components only:

•GR16 400mm bar

•GR20 500mm bar

•GR27 700mm bar

•GR-M (Makita© EK6101, EK7650H and EK8100)

•GR-H (Husqvarna© K770 and K970)

•GR-S (Stihl© TS700)

•EZ Kart universal trolley with model variations

2.2 Product Overview

The GeoRipper© mini trencher consists of an adaptor plate supporting a trenching bar and chain, and mounted on a

petrol powered cut off saw. The Georipper© is available in a combination of model variations that includes different

bar lengths: 400mm, 500mm, 700mm, petrol engine types: 2-Stroke, 4-Stroke and 2-Stroke HD, and a selection of

power head brands: Makita©, Husqvarna© or Stihl©. This Instruction Manual is intended to cover all available

models and variations, but for individual complementary information, please refer to the power head

manufacturer’s instructions. The GeoRipper© can be used handheld or mounted on its universal trolley, the EZ

Kart©.

2.3 Lifting and Transporting

The GeoRipper© can be lifted by its tubular front handle (6 Fig.1) and always carried with the engine switch off and

the trenching bar facing backwards. Ensure that the fuel cap is properly closed. Do not touch the exhaust whilst

transporting as it may be hot. When used with the EZ Kart©, the mini trencher must not be lifted or carried, but only

transported by pushing or pulling the EZ Kart© on its wheels. When transported inside a vehicle, the GeoRipper©

must be standing upright to avoid fuel / oil spillage and be suitably strapped down inside the vehicle with the bar

and chain guard removed and stored securely.

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www.georipper.co.uk

3Safety Instructions

Read and understand this manual and its safety instructions before using this product.

Failure to do so can result in serious injury or death.

3.1 How to Use the Product Safely

When operating according to the instructions in this manual, the GeoRipper© mini trencher is a safe tool to use.

However, even after using all precautionary measures, the following residual risks remain:

•Burns from electricity arcing

•Burns from hot exhaust

•Cuts form the chain

•Stone projections

•Electrocution

•Exposure to dust and fumes

•Injuries resulting from poor maintenance and inspection or inappropriate use

•Fire risk when re-fueling

•Injuries when lifting and transporting

•Injuries from moving parts

•Hand and Arms Vibrations syndrome

•Damaged hearing

•Other injuries when operating

It is essential that all users read and understand this manual before operating the machine in order to reduce these

risks.

3.1.1 Safety information for vulnerable people in the workplace

Employers have a responsibility to ensure that vulnerable people have been suitably trained to operate the

GeoRipper© and that a suitable assessment process has been established.

3.1.2 Technical life span

The GeoRipper© is made of wear parts which can be replaced as many times as required. The machine will come to

the end of its lifespan when it is judged no longer economically viable to repair the power unit.

3.1.3 Safety information related to the intended use and reasonably foreseeable misuse

The GeoRipper© is engineered and built following recognized safety requirements however risk may occur if not

used in accordance to these instructions.

•Only use for trenching in suitably assessed ground conditions such as soil and softground

•Check before you start trenching for cables, pipes or other utilities buried in the ground. If in doubt do not

trench

•Always start the trench with the machine on the ground with the cutting bar parallel to the ground

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•Do not start the trench with the chain rotating at high speed: risk of kickbacks

•Do not start the engine with the bar and chain touching the ground

•When possible always use the EZ Kart©

•Always stand downhill of the mini trencher and behind the machine at all times

•When working parallel to a slope ensure that the discharge chute is facing downhill

•Respect a safety zone of 10 meters radius. If people or animals enter the safety zone stop work

•Do not operate alone

•Hold the trencher firmly with both hands and keep firm footing

•Switch the engine off prior to removing debris around the chain, discharge chute areas or the trench and

wear gloves

•Switch the engine off as soon as stopping trenching

•Avoid wet or icy ground

•Do not operate in poor visibility

•Always wear the recommended PPE

•Do not remove the chain guard bar when engine is switched on and wait until the chain has stopped rotating

3.1.4 Personal Protective Equipment

•Wear eye protection EN166 1B

•Wear suitably rated ear defenders EN352-1 SNR36DB

•Wear steel toe-cap footwear EN20345 SB

•Wear suitable work gloves EN420 and EN10819

•In dry ground conditions wear a face mask EN149 FFP1 NR. If particularly dusty wear breathingequipment

•In very stony ground condition the use of shin pads is recommended

3.1.5 Product limitations and restrictions

•Do not use the GeoRipper© in extremely rocky ground, tarmac or concrete

•Do not use in contaminated ground

•Do not attempt to cut tree roots larger than 7cm diameter

•Do not plunge the bar into the ground

•Not suitable for cutting branches

3.1.6 Installation safety information

•Switch engine off before doing any work on the machine and let the engine cool down

•Read the instruction manual chapter 5 before assembly

•Wear gloves when handling the chain

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3.1.7 Safety information regarding the use

•Do not operate for long periods of time

•Do not use if the plastic / rubber stone guard and chain bar guard are not present (Fig.1 item 5 and Fig.1B

item 12)

•When possible always use the GeoRipper© mounted on the EZ Kart© to limit exposure tovibration

•Do not operate if feeling tired or if under the influence of substances

•Do not use if any of the warning stickers are missing or damaged. Contact you dealer for a replacement

•Never operate on your own. Ensure that another person is present nearby in case ofemergency

3.1.8 Maintenance safety information

•Switch engine off and wait for the chain to stop before doing any work on the machine

•Read the instruction manual chapter 4 before assembly

•Wear gloves when handling the chain

•Read the manufacturer’s manual for the power head before starting maintenance on themachine

•Always check that bolts are tight before using the machine

•Keep the chain in good condition and check regularly for damage

3.1.9 Safe Disposal

•Ensure that all packaging is disposed of accordingly. The cardboard box can be recycled

•Wear parts such as chains, sprockets and bars can be recycled under the metal parts recyclingfacility

•At the end of its life, the power head can disposed of in the small engine recycling facility of your local waste

disposal center

Progressive Failure or wear parts

Check regularly and replace all wear parts including the chain, drive and idler sprockets, the bar, nose bearing an

retainer plates.

3.2 Potential Health Consequences

Failing to wear the recommended PPE my cause serious injury. Hand Arm Vibration syndrome HAVs may result after

long periods using the GeoRipper©. To reduce the risk of HAVs always use the mini trencher mounted on its EZ

Kart© or limit the daily usage per operator. Individuals with poor circulation who are exposed to excessive vibration

may experience injury to blood vessels or the nervous system. Vibration may cause the following symptoms to occur

in the fingers, hands or wrists: Falling asleep (numbness), tingling, pain, stabbing sensation, alteration of skin colour.

If any of these symptoms occur, seek medical assistance.

4Operation

4.1 How to Transport and Store the GeoRipper

Always turn off the GeoRipper© when transporting or moving from place to place on

work site. Always carry by the centre tubular handle with the bar facing backward. Never

carry with the engine on or with the chain turning and wait for the engine to cool down

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4.1.1 Lifting, handling and transporting the GeoRipper©

Carry the GeoRipper© by the centre tubular handle with the engine switched off and the bar pointing behind you

(Fig.26). Never touch the exhaust and wait for machine to cool down. When carrying for a long distance use a

wheelbarrow.

Fig.27

Do not attempt to lift the GeoRipper© when mounted on the EZ Kart©. Simply use the handle of the cart to pull or

push the machine. When transporting in a vehicle ensure that the machine is upright, securely tied down and that

the petrol cap is properly closed so no fuel can leak out. Secure against shocks and always remove the bar and chain

when transporting in a vehicle.

4.1.2 Storing the GeoRipper©

Do not leave outside, always store the GeoRipper© in a dry place. Do not store in temperature below -10°C and over

40°C. Avoid extreme temperatures and keep away from children. Before storing, clean and dry the machine, remove

all residual soil from the chain using a wire brush and spray with light oil WD40 or similar. When storing for a long

period of time, empty the petrol tank and run the machine dry. Remove the chain and soak in light oil. Always check

that all the components are in good condition before using again.

4.2 Commissioning and Starting the GeoRipper©

4.2.1 Commissioning

Read the instruction manual and ensure that the bar and chain have been mounted correctly as per section 4, that

all bolts are tight and that there is a suitable chain slack for the ground condition.

4.2.2 Fuelling

2-STROKE FUEL & LUBRICATION INFORMATION

•Use a 50:1 fuel mixture. To ensure a correct fuel mix, use a shelf-stable pre-mixed 2-strokefuel.

•Use high quality, air-cooled, two-stroke oil. Preferably synthetic. Husqvarna© or Makita© two-stroke engine oil is

also recommended.

DO NOT USE TWO-STROKE ENGINE OIL FOR OUTBOARD MARINE OR WATER-COOLED ENGINES! IT IS NOT THE

SAME!

•Use 90+ octane gasoline. Avoid bio fuels, ethanol or octane boosters, if possible.

•Use freshly-mixed fuel.

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•Keep fuel container out of direct sunlight.

•Mix enough fuel only for the job at hand.

•Use a quality fuel stabilizer if using gas withethanol.

FUELS WITH MORE THAN 10% ETHANOL ARE NOT APPROVED FOR USE IN GEORIPPER 2-STROKE AND 4-STROKE

ENGINES! Use of alternative fuels, such as E-20 (20% ethanol), E-85 (85% ethanol) or any fuels not meeting GR

MANUFACTURING, LTD requirements are not approved for use in GEORIPPER© MINITRENCHERS!

USE OF ALTERNATIVE FUELS CAN CAUSE THE FOLLOWING PROBLEMS:

Poor performance, loss of power, overheating, fuel vapour lock, improper clutch engagement, premature

deterioration of fuel lines, premature deterioration of gaskets, premature deterioration of carburetors.

USING ALTERNATIVE FUELS AND/OR 2-STROKE OILS NOT ACCORDING TO JASO FC OR

4-STROKE FUEL & LUBRICATION INFORMATION

•Use 90+ octane gasoline. Avoid bio fuels, ethanol or octane boosters if possible.

•

•Use 10W30 motor oil in crankcase –high-grade, synthetic recommended.

•Change engine oil after first 20 hours of operation. After initial change, change oil every 30-40 hours.

machine level on the ground, using an appropriate spout mounted on the fuel can.

For further information on fueling, consult the power head manufacturer’s instruction manual specific to your

4.3.1 Before your start trenching

1. Visually inspect the mini trencher to ensure there are no defects

2. Check that bolts are tight and that the stone guard and chain guard bar are present

3. Asses the ground conditions and remove any possible hazards

4. Carry out all safety precautions listed in chapter 2

5. Cut grass before trenching to help recover spoils

6. Establish a safety perimeter of a minimum of 10m

7. Dig a pilot hole by hand a depth equivalent to the bar length

8. Only start trenching if you are satisfied that there are NO cables, pipes or other utilities buried. If in

doubt, do not trench!

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4.3.2 Starting the machine

Place the machine on solid ground with one foot on the rear handle, one hand on the tubular handle and the other

hand used for pulling the starting cord (Fig.29)

For cold start, prime the fuel pump if applicable and move the combination switch to the choke position and pull the

starting cord smoothly and evenly. As soon as the engine starts press the throttle trigger so the engine returns to idle

speed. Some models are equipped with a decompression system, refer to the power head manufacturer’s

For warm start, the operation is as described above but without the use of choke.

Fig.29

Always ensure that the chain is not in contact with the ground when starting your

GeoRipper©.

around the waist and adjust accordingly. Start trenching at mid-range speed and slowly push the handle until a

desired depth of trench is achieved (Fig.30). The tubular section of the handle is connected to the axle on a ratchet

mechanism. Each position of the ratchet incline the trencher to achieve the desired depth depending on the bar

maximum trench depth.

Fig.30 & 31

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