JCB XR Series Bedienungsanleitung

TRENCHER

XR SERIES

OWNERS MANUAL

MANUAL DE L’UTILISATEUR

BEDIENUNGSANLEITUNG

MANUALE

MANUAL DEL USUARIO

332/A1461

ISSUE 1

JUNE 07

PRINTED IN ENGLAND

OWNERS MANUAL

:

TRENCHER - XR SERIES

332/A1461

ISSUE 1

*332/A1461*

C053650

JCB Attachments, Riverside, Rugeley, Staffordshire WS15 2WA, England

Tel: 01889 572700

ENGLISH PAGES 1- 22

PAGES FRANÇAISES 1- 22F

DEUTSCHE SEITEN 1- 22G

PAGINAS EN ESPAÑOL 1- 22S

TESTO IN ITALIANO 1- 22L

A1461-1

CONTENTS

INTRODUCTION

About this manual 1

Units of Measurement 1

Warranty 1

Carrier Machine - Suitability 1

GENERAL DESCRIPTION

Check List - Equipment 2

Attachment Identification 2

Component Identification 2

SAFETY

Safety First 3

Safety Check List 3

Decals 4

INSTALLING AND REMOVING

Safety First 6

Installing (JCB Robot 150, 160, 165, 170, 185,

190 1105, 1110, 1CX) 6

Removing (JCB Robot 150, 160, 165, 170, 185,

190 1105, 1110, 1CX) 7

Non JCB Carriers 7

OPERATION

Using the Attachment and Site Safety 8

Digging Chain Setup 10

Trench Widths and Depths 10

Digging with the Trencher 11

Travelling with the Trencher 12

On Site 12

On a Truck 12

Hydraulic Oils, Filtering and Cooling 13

MAINTENANCE

Safety First 15

Lubricants 15

Main Inspection 15

Check 15

Obtaining Replacement Parts 15

Washing 15

Service Schedules 16

Storage 17

SERVICE

Fault Finding 18

Main Components 19

Components Key 20

Torque Settings 21

SPECIFICATION 22

WARRANTY At rear of Manual

A1461-1

INTRODUCTION

1 1

About this Manual

This document details the relevant use and maintenance

procedures for the JCB Trencher. The safety information

included is directly relevant to operation and maintenance

of the Trencher. General safety information, and that

relevant to the carrier machine is not included. For details

about safe operation of the carrier machine, see the

relevant documents.

DO NOT ATTEMPT TO INSTALL, OPERATE OR

MAINTAIN ANY ATTACHMENT UNTIL YOU HAVE READ

AND UNDERSTOOD ALL RELEVANT OPERATOR

DOCUMENTATION FOR BOTH THE ATTACHMENT, AND

THE CARRIER MACHINE. PAY PARTICULAR

ATTENTION TO SAFETY INFORMATION. YOU MUST

OBSERVE ALL RELEVANT LAWS AND REGULATIONS.

The manufacturer’s policy is one of continuous

improvement. The right to change the specification of the

machine without notice is reserved. No responsibility will

be accepted for discrepancies which may occur between

specifications of the machine and the descriptions

contained in this publication.

Units of Measurement

In this manual, the S.I. system of units is used. For

example, liquid capacities are given in litres. The Imperial

units follow in parenthesis ( ), for example 28 litres

(6 UK gal/7.2 US gal)

Warranty

A copy of the manufacturer's warranty is provided at the

rear of this manual. We advise you to read and understand

the warranty before using the machine.

Carrier Machine Suitability

The Trencher is suitable for use with the JCB Robot Skid

Steer Loaders and 1CX Backhoe Loaders according to the

following table

The Trencher is suitable for use with some other non JCB

carrier machines. See the specification section for details

of typical carrier requirements.

Note: If fitting XR35 onto an early JCB Mk1 Robot

185HF - 1110HF 1” Quick Release couplings were used

and the additional parts listed below are required, as

follows:

1 x 1406/0026 - 1in BSP Bonded Washer

1 x 45/910100 - 1 in BSP Female Quick Release Connector

1 x 1606/0012 - 1 in BSP - 3/4 in BSPMale-Male Adaptor

A1461-1

JCB Trencher

Carrier XR-35 XR-21 XR-14

Robot 185 HF, 190HF, 1105HF, 1110HF 980/A1452

Robot 185, 190, 1105, 1110 980/A1451

Robot 170HF, 165HF, 160HF 980/A1451

Robot 170 980/A1450

Robot 165 980/A1450

Robot 160 980/A1450

Robot 150 980/A1450

1CX HF (208 HF USA) 980/A1451

1CX (208 USA) 980/A1450

Includes

USA

Machines

GENERAL DESCRIPTION

2 2

Check List - Equipment

The Trencher is supplied as a complete unit with hoses and

options as required.

Attachment Identification

Serial Number - The serial number is given on the Trencher

rating plate X. When obtaining replacement parts always

quote the part number given on dataplate Y which also

contains technical information.

Component Identification

Key

A Digging Chain

B Drive Chain Cover

C Trencher Mounting Bracket

D Hydraulic Hoses

E Trencher Housing

F Motor Cover

G Cleaner

A1461-1

C053640

C

G

B

X

F

E

D

Y

A

SAFETY

3 3

Safety First

All mechanical equipment can be hazardous if operated

without care or correct maintenance.

In this manual you will find warning messages. Read them.

Understand them. They tell you of hazards and how to

avoid them. If you do not understand the messages, ask

your employer or local JCB Distributor.

But safety is not just a matter of responding to the warn-

ings. All the time you are working with the attachment you

must be thinking what hazards there might be and how to

avoid them.

Do not work with the attachment until you are sure that you

can control it.

Do not start any job until you are sure that you and those

around you will be safe.

If you are unsure of anything, about the machine or the job,

ask someone who knows. Don’t assume anything - check

it out.

Remember

BE CAREFUL

BE ALERT

BE SAFE

Now read the rest of this section before moving on to the

rest of the manual.

B-1-1-2/1

Safety Check List

!!

DANGER

Lightning

Lightning can kill you. Do not use the equipment if there is

lightning in your area.

A-1-3-5

!!

WARNING

Decals

You can be injured if you do not obey the decal safety

instructions. Keep decals clean. Replace unreadable or

missing decals with new ones before operating the

machine. Make sure replacement parts include warning

decals where necessary.

INT-1-3-4

!!

WARNING

Equipment Condition

Defective equipment can injure you or others. Do not

operate equipment which is defective or has missing parts.

Make sure the maintenance procedures in this manual are

completed before using the equipment.

A-1-4-1

!!

WARNING

Manual

You and others can be injured if you fit, operate or maintain

the attachment without first studying this manual. If you do

not understand anything, ask your employer or JCB

Distributor to explain it. Keep this manual clean and in

good condition.

B-1-1-3/2

!!

WARNING

Regulations

Obey all laws, worksite and local regulations which affect

you and your equipment.

A-1-3-6

!!

WARNING

Care and Alertness

All the time you are working with the attachment, take care

and stay alert. Always be careful. Always be alert for

hazards.

B-1-1-4/1

!!

WARNING

Alcohol and Drugs

It is extremely dangerous to operate machinery when under

the influence of alcohol or drugs. Do not consume alcoholic

drinks or take drugs before or whilst operating the machine

or attachments. Be aware of medicines which can cause

drowsiness.

INT-1-3-9

A1461-1

Each safety notice starts with a signal word. The

meanings of the signal words are given below.

!!

DANGER

Denotes an extreme hazard exists. If proper

precautions are not taken, it is highly probable that

the operator (or others) could be killed or

seriously injured.

INT-1-2-1

!!

WARNING

Denotes a hazard exists. If proper precautions are

not taken, the operator (or others) could be killed

or seriously injured.

INT-1-2-2

!!

CAUTION

Denotes a reminder of safety practices. Failure to

follow these safety practices could result in injury

to the operator (or others) and possible damage to

the machine.

INT-1-2-3

SAFETY

4 4

Safety Check List (cont’d)

!!

WARNING

Practice

You and others can be killed or injured if you do unfamiliar

operations without practising them first. Practice away

from the work site on a clear area.

Keep other people away.

Do not perform new operations until you are sure you can

do them safely.

INT-2-1-1

!!

WARNING

Equipment Condition

Defective equipment can injure you or others. Do not

operate equipment which is defective or has missing parts.

Make sure the maintenance procedures in this manual are

completed before using the equipment.

A-1-4-1

!!

CAUTION

Equipment Limits

Operating the equipment beyond its design limits can

cause damage. It can also be dangerous.

Do not operate the equipment outside its limits.

Do not try to upgrade the equipment’s performance by

unapproved modifications.

A-1-4-2

!!

CAUTION

Communications

Bad communication can cause accidents.

Keep people around you informed of what you will be

doing. If you will be working with other people make sure

you all understand any hand signals you will be using.

Work sites can be noisy. Do not rely on spoken commands.

A-1-4-3

!!

CAUTION

Metal Splinters

You can be injured by flying metal splinters when driving

metal pins in and out. Use a soft faced hammer or drift to

remove and fit metal pins. Always wear safety glasses.

INT-3-1-3

Decals

The following decals are fitted to the Trencher:

A1461-1

CONTACT WITH MOVING CHAIN OR AUGER may

cause death or serious injury.

Operate only from loader seat. Stay 10FT (3 m) or more

away from machine and trench when in operation

!!

DANGER

!!

CAUTION

TO AVOID INJURY

DO NOT USE THIS SUR-

FACE AS A STEP

USE ONLY INDICATED

AREAS FOR STEPPING

INTO LOADER

!!

CAUTION

MISSING SAFETY COVERS

may cause injury from moving

parts. Install and secure all covers

before operation

!!

WARNING

AVOID INJURY OR DEATH

BEFORE LEAVING LOADER

1 STOP TRENCHER

2 ROLL BACK LOADER TILT ARMS AND

PUT COMPLETE LENGTH OF TRENCHER

ON THE GROUND

3 TURN OFF LOADER

FAILURE TO HEED CAN RESULT

IN DEATH OR SERIOUS INJURY

!!

WARNING

AVOID INJURY OR DEATH

READ AND UNDERSTAND

OPERATORS MANUAL

BEFORE OPERATING OR

SERVICING MACHINE

CHECK FOR UNDERGROUND

UTILITY LINES

STAY 20FT (6 M) OR MORE AWAY

UNLESS OPERATING MACHINE

817/20004

817/20002

817/20007

817/20003

817/20005

SAFETY

5 5

Decals (cont’d)

A1461-1

INSTALLING AND REMOVING

6 6

Safety First

!!

CAUTION

Hydraulic Pressure

Hydraulic fluid at system pressure can injure you.

Before disconnecting or connecting hydraulic hoses,

stop the engine and operate the controls to release

pressure trapped in the hoses. Make sure the engine

cannot be started while the hoses are open.

INT-3-1-11/1

!!

CAUTION

Take care when lifting/handling. Refer to

SPECIFICATION for the attachment weight.

B-2-1-2/2

Installing (JCB Robot 150, 160, 165, 170,

185, 190, 1105, 1110, 1CX)

To engage an attachment on the Quickhitch, do the

following:

!!

WARNING

If two people are doing this job, make sure that the

person working the controls is a competent operator. If

the wrong control lever is moved, or if the controls are

moved violently, the other person could be killed or

injured.

2-2-6-5

1 Align the machine square to the attachment.

2 Lower the loader arm fully to bring the hitch plate A

below the level of the lips on the attachment. Make

sure the hitch locking mechanism is unlocked as

detailed in the machine operators manual.

Note: The illustration below is typical and does not refer to

a specific machine.

3 Drive the machine slowly forward. Stop when the hitch

plate A just touches the attachment.

4 Raise the loader arm and engage the hitch plate A in

the lips on the attachment. Stop the movement as

soon as the plate is engaged.

5 Fully roll back the attachment.

6 Disable the hydraulic function of the machine, turn off

the engine and apply the park brake as detailed in the

machine operators manual.

7 Lock the attachment onto the hitch as detailed in the

machine operators manual.

8 The attachment is now locked onto the Quickhitch.

9 Connect the attachment tail hoses to the appropriate

auxiliary circuit pipework, (check machine Operator

Manual for correct procedure).

10 Return to the machine make sure all persons are clear

of the machine and attachment, start up the machine

as detailed in the operators manual.

A1461-1

0876

A

X

Y

INSTALLING AND REMOVING

7 7

Removing (JCB Robot 150, 160, 165, 170,

185, 190, 1105, 1110 and 1CX)

!!

WARNING

If two people are doing this job, make sure that the

person working the controls is a competent operator. If

the wrong control lever is moved, or if the controls are

moved violently, the other person could be killed or

injured.

2-2-6-5

1 Use the drive control lever to stop and park the

machine on level ground.

2 Use the loader arm control lever to lower the

attachment to the ground.

3 Stop the engine and relieve hydraulic circuit pressure

(see Operator Manual).

4 Push forward the hydraulic safety control restraint bar.

Dismount from the machine or get someone else to

perform steps 5 and 6.

5 If appropriate, disconnect the attachment tail hoses

from the loader arm pipework (see Operator Manual).

Note: The illustration below is typical and does not refer to

a specific machine.

6 Pull levers X fully out beyond the sides of the hitch

plate A to retract the Quickhitch locking pins Y.

7 Return to the cab seat (or make sure your assistant is

well clear of the Quickhitch). Pull back the Safety

Restraint Bar. The attachment is now ready for use.

8 Operate the loader arm control lever to the right as if

to roll forward the attachment.

9 When the hitch plate A has disengaged from the lips

on the attachment, reverse the machine clear.

Non-JCB Carriers

For Non-JCB carriers reference should be made to the

trenchers mechanical and hydraulic specifications. Refer to

the carriers Owners Manual for instructions on installing

and removing attachments. However the following general

points should be observed.

1 Position the trencher on firm, flat ground.

2 Make the carrier safe, e.g. parking brake engaged,

engine stopped, hydraulic pressure released.

3 Use adequate lifting equipment.

A1461-1

0876

A

X

Y

OPERATION

8 8

Using the Attachment and Site Safety

This section explains some techniques for efficient and

safe use of the machine and its attachment. Attention is

also drawn to the various safety aspects of operating on

site. Read and understand this section before you start

working with the machine. Practise using the attachments

until you are completely familiar with the controls and what

they do.

Before you start using the machine, tell your work mates

what you you will be doing and where you will be working.

On a busy site, use a signalman.

Remember that your machine is mobile. Whenever

possible, manoeuvre your machine into a position which

combines safety with efficiency.. If you have to choose,

remember that:

SAFETY MUST COME FIRST

!!

WARNING

Work sites can be hazardous. Inspect the site before

working on it. Look for potholes, weak ground, hidden

rocks etc. Check for utilities such as electric cables

(overhead and underground), gas and water pipes etc.

Mark the position of the underground cables and pipes.

Make sure that you have enough clearance beneath

overhead cables and structures.

INT-2-2-1

!!

WARNING

Before you start using the machine, inspect the job site.

You could be killed or injured if the ground gives way

under your machine or if piled material collapses onto

it. Check for potholes and hidden debris, logs, ironwork

etc. Any of these could cause you to lose control of

your machine.

2-2-5-2

!!

WARNING

You and/or your company could be legally liable for any

damage you may cause to public utilities. It is your

responsibility to make sure that you know the locations

of all public utility cables or pipes on the site which

could be damaged by your machine.

2-2-5-3

!!

WARNING

You could be electrocuted or badly burned if you get

the machine or its attachments too close too electrical

power cables

You are strongly advised to make sure that the safety

arrangements on site comply with the local laws and

regulations concerning work near electric power lines.

Buried Electric Power Cables

Before you start using the machine, check with your

electricity supplier if there are any buried power cables

on the site.

Overhead Electric Power Cables

There is a minimum clearance required for working

beneath overhead power cables. You must obtain

details from you local electricity supplier.

2-2-5-4

!!

WARNING

Reworking Old Sites

There could be dangerous material such as asbestos,

poisonous chemicals or other harmful substances

buried on the site. If you uncover any containers or you

see any signs of toxic waste, stop the machine and

advise the site manager immediately.

2-2-5-5

!!

WARNING

Water Supplies and Drains

Before you start using the machine, check with your

local public water supplier if there are buried pipes and

drains on the site. If there are, obtain a map of their

locations and follow the advice given by the water

supplier

You are strongly advised to make sure that the safety

arrangements on site comply with the local laws and

regulations concerning work near buried water pipes

and drains.

2-2-5-6

!!

WARNING

Communication

Bad communications can cause accidents. Keep

people around you informed of what you will be doing.

If you will be working with other people, make sure any

hand signals that may be used are understood by

everybody. Work sites can be noisy, do not rely on spo-

ken communication.

INT-2-2-3

A1461-1

OPERATION

9 9

!!

WARNING

Underground Gas Pipes

Before you start using the machine, check your local

gas supplier if there are any buried gas pipes on the

site.

If there are buried gas pipes we recommend that you

ask the gas company for any specific advice regarding

the way you should work on the site.

Some modern gas pipes cannot be detected by metal

detectors, so it is essential that an accurate map of

buried gas pipes is obtained before any excavation

work commences.

Hand dig trial holes to obtain precise pipe locations.

Any cast iron pipes found should be assumed to be gas

pipes until contrary evidence is obtained.

Older gas pipes can be damaged by heavy vehicles

driving over the ground above them.

LEAKING GAS IS HIGHLY EXPLOSIVE

If a gas leak is suspected, contact the local gas

company immediately and warn all personnel on the

site. Ban smoking, ensure that all naked lights are

extinguished and switch off any engines that may be

running.

You are strongly advised to make sure that the safety

arrangements on site comply with the local laws and

regulations concerning work near buried gas pipes.

2-2-6-1/1

!!

WARNING

Hillsides

Operating the machine on hillsides can be dangerous if

proper precautions are not taken. Ground conditions

can be changed by rain, snow, ice etc. Check the site

carefully.

Going uphill, reverse when unloaded and travel forward

when loaded. Going downhill, travel forwards when

unloaded and reverse when loaded.

Take special care when moving across a slope. If the

slope is too steep your machine could roll over. If you

must drive across a slope, keep the attachments close

to the ground.

3-1-1-4/1

!!

WARNING

Banks and Trenches

Banked material and trenches can collapse. Do not

work or drive too close to banks and trenches where

there is danger of collapse.

INT-2-2-5

!!

WARNING

Safety Barriers

Underguarded machines in public places can be

dangerous. In public places, or where your visibility is

reduced, place barriers around the work area to keep

people away.

INT-2-2-8

A1461-1

OPERATION

10 10

Digging Chain Setup

It is recommended that the digging chain is set up as

shown in illustration A. That is in a ‘V’ configuration with the

single tooth 1 in the centre and leading point of the ‘V’. The

‘V’ is formed by using progressively wider spacers 2 and

teeth 1, so that as the chain 3 rotates the cut becomes

wider. Refer to Trench Widths and Depths for width and

depth limits.

Trench Widths and Depths

Refer to Specifications on page 22.

Note: Optional Trencher Chain Kits and Trencher Cleaners

are available (see Specification at the end of this section).

A1461-1

0881

A

2

1

3

OPERATION

11 11

Digging with the Trencher

The following specific guidelines should be followed when

digging with a trencher.

1 Make an initial cut with the trencher boom 1 lying flat

along the ground.

2 As the chain is rotating begin inserting the nose of the

boom into the ground as A while slowly raising the

trencher a few inches off the ground as B. Both of

these operations should be done gradually (see the

Carrier Operator Manual - Loader Controls).

3 Gradually establish the trencher boom angle. Best

results will be obtained with an angle between 45

o

and

60

o

. The skid shoe 2 should be just above ground

level. Make certain the trench cleaner 3 is operating

freely if fitted.

4 The digging chain should rotate anticlockwise as at C

when viewed from the drive chain casing 4 side.

5 Whenever possible always dig along the centre line of

the trench. This makes it easier to control the

machinery and dig a straight trench.

6 Gently creep the carrier backwards as at D. Too fast a

speed will cause the trencher to stall.

7 Control the depth by adjusting the boom controls of

the carrier (see Operator Manual - Loader Controls).

8 Do not engage the ‘float’ control of the arm and

attachment if fitted as this increases the drag on the

system.

A1461-1

0880

4

A

C

D

B

1

2

3

OPERATION

12 12

Travelling with the Trencher

The safe transit of the load is the responsibility of the

transport contractor and driver. Any machine,

attachments or parts that may move during transit

must be adequately secured.

5-2-5-9

Note: Before transporting the machine make sure you will

be obeying the rules and laws of all the areas that the

machine will be carried through.

Make sure that the transporting vehicle is suitable. See

Static Dimensions (SPECIFICATIONS section of the

Carrier Owners Handbook) for the dimensions of your

machine.

!!

WARNING

Before moving the machine onto the trailer, make sure

that the trailer and ramp are free from oil, grease and

ice. Remove oil, grease and ice from the machine tyres.

Make sure the machine will not foul on the ramp angle.

See Static Dimensions in SPECIFICATIONS section for

the minimum ground clearance of your machine

2-2-7-5/1

On Site

Raise the carrier loader arm so that the attachment is

approximately 200 mm (8 in) above the ground. When

moving around the site follow as level a route as possible.

!!

WARNING

Never travel at excessive speed over rough terrain. The

resulting loss of control could cause the carrier to tip

over. This could lead to death or serious personal injury

as well as damage to the attachment and/or carrier.

B-1-2-11

On a Truck

!!

WARNING

Water, mud, ice, grease and oil on ramps or trailers can

cause serious accidents. Make sure ramps and trailers

are clean before driving onto them. Use extreme

caution when driving onto ramps and trailers. Always

reverse up a ramp if unloaded, travel forwards if loaded.

Always reverse down a ramp if loaded, travel forwards

if unloaded.

3-1-1-3

1 Drive the carrier up the ramps and onto the truck after

proceeding as described for On Site.

a If the attachment is being transported alone, lower

the assembly to the floor of the truck. Remove

from the machine (see Removing - JCB Robot

150, 160, 165, 170, 185, 190, 1105, 1110 and

1CX) and drive the carrier off the truck. Secure the

attachment to the truck using straps or chain of

sufficient strength.

b If the attachment is being transported with the

machine, lower the assembly to the floor of the

truck and switch off the engine. Block the wheels

and using the attachment points chain the carrier

to the bed of the truck as shown in the illustration.

A1461-1

0879

OPERATION

13 13

Hydraulic Oils, Filtering and Cooling

Introduction

Generally speaking the hydraulic oil specified for the carri-

er can be used in the Trencher. However, since working

with the Trencher will heat the oil much more than excava-

tion work, the viscosity of the oil must be checked period-

ically when working in hot climates.

When the Trencher is used continuously, the temperature of

the hydraulic oil normalises at a certain level depending on

conditions and the carrier. At this temperature, the viscosi-

ty of the hydraulic oil should be 20 - 40 cSt (2.90 - 5.35

o

E).

The Trencher must not be started if the viscosity of the

hydraulic oil is above 1000 cSt (131

o

E) or operated when

the viscosity of the hydraulic oil is below 15 cSt (2.35

o

E).

Possible Result of using incorrect Oil

Oil too thick:

- Difficult start up.

- Stiff operation.

- Danger of cavitation in the pumps and motor.

- Sticky Valves.

- Filter bypass, impurities in oil not removed.

- Motor runs slowly.

Oil too thin:

- Efficiency losses (internal leaks).

- Damage to gaskets and seals, leaks.

- Accelerated wearing of parts, because of decreased

lubrication efficiency.

Note: We recommend different hydraulic oils for use in

summer and winter if there is an average temperature

difference of more than 35

o

C (95

o

F).

Special Oils

In some cases special oils (e.g. biological oils and non-

inflammable oils) can be used with the Trencher. Observe

the following aspects when considering the use of special

oils.

- The viscosity range in the special oil must be in the

given range (15 - 1000 cSt).

- The lubrication properties must be good enough.

- The corrosion resistance properties must be good

enough.

Note: Although a special oil could be suitable for the

carrier, it may not be suitable for the Trencher. Please check

with your JCB Distributor.

JCB OWNERS SHOULD ALWAYS CONSULT THEIR JCB

DISTRIBUTOR BEFORE CHANGING THE MACHINE

HYDRAULIC OIL.

Hydraulic Oil Purity

No separate filter is required for the Trencher. The carrier’s

oil filter will clean the oil flowing through the Trencher. The

purpose of the oil filter is to remove impurities from the

hydraulic oil since they cause accelerated component

wear, blockages and even seizure. Impurities also cause

the oil to heat and deteriorate. Air and water are also impu-

rities in oil. Not all impurities can be seen with the naked

eye.

Impurities enter the hydraulic system:

- During hydraulic oil changes and refilling.

- When components are repaired or serviced.

- When the Trencher is being installed on the carrier.

- Because of component wear.

Oil Filter

The carrier oil filter must fulfil the following specifications:

- The oil filter must allow maximum particle size of 25

microns (0.025 mm).

- The oil filter material must be man-made fibre cloth

or very fine gauge metallic mesh to withstand pres-

sure fluctuations.

- The oil filter must have a volume flow capacity of at

least twice the Trenchers maximum flow.

In general, oil companies guarantee new oils to have a

particle count of 40 microns maximum. When adding oil to

the system the oil must be filtered.

A1461-1

OPERATION

14 14

Hydraulic Oils, Filtering and Cooling

(cont’d)

A1461-1

Viscosity Solidification

Name of Oil -4 14 32 50 68 86 104 122 140 158 176 °F 40 °C point

-20 -10 0 10 20 30 40 50 60 70 80 °C cSt (°E) °C (°F)

Shell Tellus Oil T32 32.0 (4.35) -50 (-58)

T37 37.0 (4.95) -40 (-40)

T46 46.0 (6.15) -35 (-31)

Neste Hydraulic 22 20.5 (2.95) -45 (-49)

46 44.0 (5.85) -39 (-38)

68 62.0 (8.20) -33 (-27)

Esso Univis N32 31.8 (4.32) -45 (-49)

N46 45.7 (6.20) -39 (-38)

Texaco Rando Oil HDZ32 32.0 (4.35) -45 (-49)

HDZ46 51.0 (6.75) -42 (-44)

Tebo Hydraulic Oil 32S 29.0 (3.95) -51 (-60)

46 46.0 (6.15) -51 (-60)

Mobil DTE13 29.4 (4.01) -45 (-49)

DTE15 44.9 (5.99) -46 (-51)

DTE16 65.9 (8.69) -42 (-44)

JCB Hydraulic Oil 32.0 (4.02) -50 (-58)

JCB Special Hydraulic Oil 46.0 (6.15) -35 (-31)

Motor Oils 10W 40.0 (5.35) -36 (-33)

20W/20 51.0 (8.05) -26 (-15)

SAE30 100 (13.2) -31 (-24)

5W/20 40.0 (5.35) -48 (-54)

10W/30 70.0 (9.25) -36 (-33)

15W/30 100 (13.2) -33 (-27)

1000 cSt 40 cSt 20 cSt 15 cSt

Permitted oil temperature

Recommended oil temperature

Note: JCB approves the use of Q8 Holbein 46 Biodegradable Oil with this breaker. Its properties are comparable to JCB

Special Hydraulic Oil.

MAINTENANCE

15 15

Safety First

!!

WARNING

Maintenance work must only be done by competent

personnel.

A-3-1-1

!!

WARNING

Equipment Condition

Defective equipment can injure you or others. Do not

operate equipment which is defective or has missing

parts.

Make sure the maintenance procedures in this manual

are completed before using the equipment.

A-1-4-1

!!

WARNING

Before doing any routine maintenance work on the

attachment while it is installed on the carrier, make the

carrier safe. Stop the engine and, if appropriate, ensure

that the parking brake is engaged and the drive is in

neutral. Remove the starter key to prevent the engine

being started.

B-3-1-2/3

Lubricants

In the EEC all JCB lubricants are covered by individual

COSHH (Control of Substances Hazardous to Health)

leaflets which are available on request from your JCB

Distributor.

It is most important that all personnel concerned with

lubricants read and understand the information contained

in the relevant leaflets.

Some general guidance is given in the JCB Carrier Machine

Handbook.

Main Inspection

We recommend that the following inspection is done dur-

ing the first 50 - 100 hours of operation of a new Trencher

attachment. It is advisable to have this work done by your

JCB Distributor.

Check

1 Torque tightness of all mounting and securing

bolts/nuts.

2 All hydraulic connections.

3 For hydraulic hoses rubbing (check throughout full

operating pressure).

4 Trencher operating pressure/flow (see SPECIFICA-

TION).

5 Hydraulic oil temperature during continuous operation

(see SPECIFICATION).

6 Correct operation of Spoil Auger.

7 Correct operation of Trench Cleaner Assembly.

8 Check digging teeth for cracks and wear.

9 Change the carrier hydraulic filter(s).

Obtaining Replacement Parts

We recommend that you fit only genuine JCB replacement

parts. Your distributor will need to know the equipments

serial number, which is stamped on the Trencher data

plate(see GENERAL DESCRIPTION section).

Washing

Periodically, and before doing any maintenance work, we

recommend that the outside of the Trencher is steam

washed. Ensure that the pressure and return lines are

plugged before washing, to prevent ingress of moisture.

A1461-1

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