jcb 8080 User manual

Copyright © 2004 JCB SERVICE. All rights reserved. No part of this publication may be reproduced, stored in a retrieval system, or transmitted in any form or by any other means,
electronic, mechanical, photocopying or otherwise, without prior permission from JCB SERVICE.
World Class
Customer Support
S2-eng
Publication No.
Issued by JCB Technical Publications, JCB Service, World Parts Centre, Beamhurst, Uttoxeter, Staffordshire, ST14 5PA, England. Tel [phone] Fax [phone]
Service Manual
Midi Excavator
9803/9330 8080 1024000 Onwards

General Information 1
Care & Safety 2
Routine Maintenance 3
Body and Framework B
Electrics C
Controls D
Hydraulics E
Transmission F
Track and Running Gear J
Engine K
Steeriteering H
Service
Manual
8080
PUBLISHED BY THE
TECHNICAL PUBLICATIONS DEPARTMENT
OF JCB SERVICE; © WORLD PARTS CENTRE,
WATERLOO PARK, UTTOXETER, ST14 5PA
ENGLAND
Tel. ROCESTER [phone]
PRINTED IN ENGLAND
Publication No. 9803/9330 Issue 3
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Introduction
This publication is designed for the benefit of JCB Distributor Service Engineers who are receiving, or have received, training
by JCB Technical Training Department.
These personnel should have a sound knowledge of workshop practice, safety procedures, and general techniques
associated with the maintenance and repair of hydraulic earthmoving equipment.
Renewal of oil seals, gaskets, etc., and any component showing obvious signs of wear or damage is expected as a matter of
course. It is expected that components will be cleaned and lubricated where appropriate, and that any opened hose or pipe
connections will be blanked to prevent excessive loss of hydraulic fluid and ingress of dirt. Finally, please remember above all
else SAFETY MUST COME FIRST!
The manual is compiled in sections, the first three are numbered and contain information as follows:
1=General Information - includes torque settings and service tools.
2=Care & Safety - includes warnings and cautions pertinent to aspects of workshop procedures etc.
3=Routine Maintenance - includes service schedules and recommended lubricants for all the
machine.
The remaining sections are alphabetically coded and deal with Dismantling, Overhaul etc. of specific components, for
example:
A=Attachments
B=Body & Framework ...etc.
The page numbering in each alphabetically coded section is not continuous. This allows for the insertion of new items in later
issues of the manual.
Section contents, technical data, circuit descriptions, operation descriptions etc are inserted at the beginning of each
alphabetically coded section.
All sections are listed on the front cover; tabbed divider cards align directly with individual sections on the front cover for rapid
reference.
Where a torque setting is given as a single figure it may be varied by plus or minus 3%. Torque figures indicated are for dry
threads, hence for lubricated threads may be reduced by one third.
With the exception of slewing operations 'Left Hand' and 'Right Hand' are as viewed from the rear of the machine facing
forwards.
9803/9330 Issue 1
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Colour Coding
The following colour coding, used on illustrations to denote various conditions of oil pressure and flow, is standardised
throughout JCB Service publications.
9803/9330 Issue 1
A390940
Full Pressure
Pressure generated from operation of a service. Depending on application this may
be anything between neutral circuit pressure and M.R.V. operating pressure.
Pressure
Pressure that is above neutral circuit pressure but lower than that denoted by red.
Servo
Oil pressure used in controlling a device (servo).
Neutral
Neutral circuit pressure.
Exhaust
Cavitation
Oil subjected to a partial vacuum due to a drop in pressure (cavitation).
Lock Up
Oil trapped within a chamber or line, preventing movement of components (lock up).
Red
Pink
Orange
Blue
Green
Light
Green
Yellow
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i
Section 1 General Information
9803/9330
Section 1
i
Issue 1
Contents Page No.
Identifying your Machine
Identification Plates 1 - 1
Operation
Introduction 2 - 1
Before Entering the Cab 2 - 2
Entering/Leaving the Cab 2 - 3
Opening and Closing the Door 2 - 4
Opening and Closing the Front Upper Window 2 - 4
Opening and Closing the Front Lower Window 2 - 5
Emergency Exit 2 - 5
Door Sliding Window 2 - 5
Opening and Closing the Sunblind 2 - 5
Seat 2 - 6
Seat Belt 2 - 6
Location of Controls and Components 3 - 1
Switches and Controls 4 - 1
Right Console 4 - 1
Underseat Tool Box and Cool Box 4 - 2
Heater/Air Conditioning Controls 4 - 3
Left Console 4 - 4
EMS Panel 4 - 5
Facia Panel 4 - 9
Redundancy Switch 4 - 10
Mechanical Engine Speed Override 4 - 10
Servo Controls Immobilisation 4 - 10
Cab Interior Light 4 - 11
Radio (Optional) 4 - 11
Travel Levers 4 - 12
Travel Speed Change Button 4 - 12
Excavating Controls 5 - 1
Operation 5 - 1
Slewing 5 - 2
Boom Swing 5 - 3
Boom Swing Stop 5 - 3
Boom Raise/Lower 5 - 4
Dipper In/Out 5 - 5
Bucket Close/Open 5 - 6
Refuelling 6 - 1
Fuel Level 6 - 1
Filling the Tank 6 - 1
Refuelling Pump (optional) 6 - 2
Before Starting the Engine 6 - 3
Starting the Engine 6 - 4
Jump-Starting the Engine 6 - 5
Warming Up 6 - 6
Operating in Cold Climates 6 - 7
Operating in High Temperatures 6 - 7
Operating in Dusty or Sandy Areas 6 - 7
Operating in Coastal Regions 6 - 7
Operating on Wet or Soft Ground 6 - 7
Preparing for Travel 6 - 8
Stopping and Parking the Machine 6 - 9
Working on Slopes 7 - 1
Digging Near Walls 7 - 1
Dumping into a Truck 7 - 1
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ii
Section 1 General Information
9803/9330
Section 1
ii
Issue 1
Contents Page No.
Dozing and Grading 7 - 2
Scraping and Cutting 7 - 2
Backfilling 7 - 2
Pulling out of Soft Ground 7 - 2
Installing and Removing a Bucket 7 - 3
Replacing Bucket Teeth 7 - 4
Bucket Selection 7 - 4
JCB Mechanical Quickhitch 8 - 1
Lifting (Craning) Regulations and Safe Working Loads 10 - 1
Overload Warning System (Optional) 10 - 2
Operating Attachments 11 - 1
Moving a Disabled Machine 12 - 1
Transporting the Machine
Preparing the Transporting Vehicle 12 - 2
Driving a Machine onto the Transporting Vehicle 12 - 2
Securing the Machine 12 - 3
Unloading a Machine from the Transporting Vehicle 12 - 4
Sealing and Retaining Compounds 15 - 1
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1 - 1
Identification Plates
Machine Identification Number
Your machine has a Data Plate Alocated on the right hand
side of the kingpost. The VIN number is also stored in the
machine’s EMS Panel (see EMS Panel).
Engine Identification Number
The engine number is located at C. If the engine is replaced
by a new one, the data plate serial number will be wrong.
Either stamp the new number on the plate or stamp out the
old one. This will prevent the wrong number being quoted
when you order replacement parts.
Section 1 General Information
9803/9330
Section 1
1 - 1
Issue 2*
Identifying your Machine
JS06061
A404220
AA
C*
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2-1
Introduction
This chapter is arranged to guide you step-by-step through
the task of learning how to operate the machine. Read it
through from beginning to end. By the end of the chapter
you should have a good understanding of the machine and
how to operate it.
Pay particular attention to all safety messages. They are to
warn you of possible danger. Do not just read them; think
about what they mean. Understand the dangers and how to
avoid them. If there is anything you do not understand, ask
your JCB distributor. He will be pleased to advise you.
When you have learned where the track driving controls are
and what they do, practice using them. Practice driving the
machine in a safe, open space clear of other people. Get to
know the ‘feel’ of the machine and its track controls.
Move on to the boom and dipper controls only when you
can drive the machine confidently and safely. When you
have learned where the boom and dipper controls are and
what they do, practice using them but take great care at the
same time. Practice in an open space clear of other people.
Do not jerk the controls; operate them slowly until you
understand the effect they have on the machine.
Finally, do not rush the job of learning. Take your time and
take it safely.
Remember
BE CAREFUL
BE ALERT
BE SAFE
INT-1-3-1/1
Section 1 General Information
9803/9330
Section 1
2-1
Issue 1
Operation
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2-2
Before Entering the Cab
The following checks should be made each time you return
to the machine after leaving it for any period of time. We
advise you also to stop the machine occasionally during
long work sessions and do the checks again. All these
checks concern the serviceability of the machine. Some
concern your safety. Get your service engineer to check and
correct any defects.
!WARNING
Walking or working under a raised boom and dipper is
hazardous. You could be crushed by the boom and
dipper or get caught in the linkages. Lower the boom
and dipper before doing these checks. If you are new to
this machine, get an experienced operator to lower the
boom and dipper for you.
If there is nobody to help you, study this handbook until
you have learned how to lower the boom and dipper.
8-2-1-1
!CAUTION
On machines fitted with hose burst protection valves, the
attachments cannot be lowered with the engine stopped.
On these machines start the engine and lower the
attachments before doing the walk round inspection.
2-2-3-5
!CAUTION
The hydraulic oil filler cap may be hot if the machine has
recently been used. If this is the case, wear suitable
gloves when tightening or loosening this cap.
1 Check for Cleanliness
aClean the windows, light lenses and rear view
mirrors.
bRemove dirt and debris, especially from around the
linkages, rams, pivot pins and radiator grille.
cMake sure the cab step and handholds are clean
and dry.
dClean all safety decals. Replace any that are missing
or cannot be read.
2 Check for Damage
aInspect the machine generally for damaged and
missing parts.
bMake sure that all pivot pins are secured in place.
cInspect the windows for cracks and other damage.
dCheck for oil, fuel and coolant leakages beneath the
machine.
eCheck the tracks (rubber). Check for cut rubber and
penetration by sharp objects. Do not use a machine
with damaged tracks.
3 Check for Security
aCheck the security of the hinged covers on the
engine compartment and hydraulic compartment.
bMake sure that the hydraulic oil and diesel fuel filler
caps are both tightly closed. REMEMBER THAT THE
HYDRAULIC FILLER CAP MAY BE HOT IF THE
MACHINE HAS RECENTLY BEEN USED. (We also
recommend that you lock the fuel filler cap.)
Section 1 General Information
9803/9330
Section 1
2-2
Issue 1
Operation
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2-3
!!CAUTION
Always face the machine when entering (and leaving) the
cab. Make sure your shoes and hands are clean and dry.
Otherwise you could slip and fall.
2-2-1-3
Entering the Cab
1Open the cab door and, if necessary, secure it in the
fully open position (see Doors and Windows, Opening
and Closing the Door).
2 Check that the Controls Lock Lever (see Switches
and Controls) is raised.
3Holding the two handrails (one each side of the cab
entrance), climb onto the top of the track (as at A). Do
not use the skirt 1as a step.
4Retaining hold of the left handrail, step into the cab and
swing yourself into the operator’s seat (as at B).
!!WARNING
Do not use the machine controls as handholds when
entering (or leaving) the machine.
2-2-1-4
Leaving the Cab
1Stop the engine and, with the Starter Switch set to ON,
operate the hydraulic controls several times to release
any residual hydraulic pressure in the system. Turn the
Starter Switch OFF.
2Open the cab door and, if necessary, secure it in the
fully open position (see Doors and Windows, Opening
and Closing the Door).
3Press the Servo Isolator Switch (see Facia Panel)to
isolate the controls.
4Raise the Controls Lock Lever (see Switches and
Controls).
5Leave the cab by reversing instructions 3and 4of
Entering the Cab. Do not use the skirt 1as a step.
Section 1 General Information
9803/9330
Section 1
2-3
Issue 1
Operation
AABB
1111
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2-4
Opening and Closing the Door
To open the door from the outside, unlock it with the key
provided and pull the handle.
Once in the cab, close and secure the door by pulling with
the bar until the latch clicks shut. To open the door from the
inside, pull the lever to the rear.
The door can be secured in the fully open position. Swing
the door fully open until the bar on the door locates securely
in the socket on the side of the cab. To release the door
when it is secured fully open, move lever Xon the left side of
the operator’s seat downward.
Opening and Closing the Front Upper
Window
!!CAUTION
Take care when raising and lowering the window; lower
your head as you pull the window back. Isolate the
hydraulic controls before opening and closing the
window.
1 Opening
To open the front window, hold the left and right
handles A,Band depress the catches C,Dwith your
thumbs. Pull the handles backwards and swing the
front window upwards until it locates on the catches E,
Fin the ceiling.
2 Closing
To close the front window, hold the left and right
handles A,Band depress the catches C,Dwith your
thumbs. Pull the handles downward and swing the front
window until it locates in the closed position.
Section 1 General Information
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Section 1
2-4
Issue 1
Operation
A296863
X
A436690
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2-5
Opening and Closing the Front Lower
Window
The front lower window can be opened in two positions:
For a small amount of ventilation pinch the locks G,H
between finger and thumb and push the window down until
the locks locate on the lower catch positions.
For a larger amount of ventilation pinch the locks G,H
between finger and thumb and push the window up until the
locks locate on the top catch positions.
To close the front lower window pinch the locks G,H
between finger and thumb and return the window to the
closed position.
Emergency Exit
In an emergency, if the door cannot be used, release the rear
window by pulling on ring Xto remove the window retaining
bead completely. Push the window outward and clear of the
frame.
Door Sliding Window
When the lock Bis released, the window can be opened and
closed.
Opening and Closing the Sunblind
The sunblind is located at the top of the cab front window
and can be placed in three positions.
Pull the sunblind down using the handle Kin the centre of
the blind lower edge. Locate both sides of the sunblind
lower edge on to the hooks Las shown.
The sunblind can also be located on the hooks positioned
on the cab ceiling M.
To release the sunblind, hold the handle K, disengage the
bottom edge of the sunblind from the locating hooks and let
the sunblind slowly rewind back into the stowed position.
Section 1 General Information
9803/9330
Section 1
2-5
Issue 1
Operation
A296810
A436930
GGHH
KK
MMMM
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2-6
Seat
The operator's seat can be adjusted for your comfort. A
correctly adjusted seat will reduce operator fatigue. Position
the seat so that you can comfortably reach the machine
controls.
Fore/Aft
Lift handle 1and slide the seat into the required position.
Release lever 1. Make sure the seat is locked in position. To
move the seat and the left and right consoles, which are all
mounted on the seat base, lift lever 2and slide the seat base
into the required position. Release lever 2. Make sure the
seat base is locked in position.
Weight
Turn adjuster 3until the operator's weight on scale 4is
adjacent to the pointer.
Cushion Height/Angle
Sit in the seat, press or lift lever 5and use your weight to
position the height of the front and rear of the cushion as
required. Release lever 5.
Backrest
Raise lever 6, position the backrest to the required angle.
Release lever 6.
Headrest (if fitted)
Raise/lower and adjust the angle as required. ENSURE THAT
THE HEADREST IS BEHIND THE HEAD, NOT THE NECK.
Armrests
To position the armrests, turn the adjuster 7on the
underside of each armrest. Note that the armrests are
mounted on the left and right consoles, rather than the seat
itself, but operate in the same way.
The Operator Handbook is located in the pouch 8on the
rear of the seat.
Seat Belt
Fasten the Seat Belt
Sit correctly in the seat. Make sure the belt is not twisted.
Push the male fitting Ainto the buckle Buntil it latches.
Release the Seat Belt
Press button Cand pull the other side of the belt outward.
Adjust the Seat Belt
The right hand side of the belt is adjustable. A friction roller
inside the male fitting Aallows you to increase or reduce the
effective length of the strapping.
Section 1 General Information
9803/9330
Section 1
2-6
Issue 1
Operation
H26160
B
C
A
AB
C
!!WARNING
If the machine suddenly lurches for any reason you could
be thrown around inside the cab - or even thrown out of
the cab. Wearing the seatbelt will keep you in your seat
and help you keep control of the machine. Always wear
the seatbelt, correctly adjusted and fastened, when
using this machine.
3
4
6
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3-1
Location of Controls and Components
Section 1 General Information
9803/9330
Section 1
3-1
Issue 1
Operation
8 Control Lock Lever
(see Switches and Controls)
9 Left Console
(see Switches and Controls)
10 Door Lock Release Lever
(see Doors and Windows)
11 Optional Circuit Pedal (if fitted)
(see Operating Attachments)
OR Optional TAB Boom Control (if
fitted) (see Triple Articulating
Boom)
12 Facia Panel
(see Switches and Controls)
13 Air Cond./Heater Controls
(see Switches and Controls)
1 Right Console
(see Switches and Controls)
2 Right Excavator Joystick Control
(see Excavating Controls)
3 Electronic Monitor System (EMS)
(see Switches and Controls)
4 Right Hand Track Control
(see Switches and Controls)
5 Left Hand Track Control
(see Switches and Controls)
6 Swing Control
(see Excavating Controls)
7 Left Excavator Joystick Control
(see Excavating Controls)
77
99
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!!
££
@@
33
11
14 2-Speed Tracking Switch
(see Switches and Controls)
15 High Flow Auxiliary Switch
(see Operating Attachments)
16 Dozer Operating Lever
(see Switches and Controls)
A Mobile Phone Holder
B Ashtray
C Cigarette Lighter/ Mobile Phone
Charger
D Cup Holder
E Radio
F Tool Box
G Cool Box
%%
$$
88
00
^^
AA
BB
CC
DD
EE
GGFF

4-1
Switches and Controls
Right Console
1 Starter Switch
This is operated by the starter key. It has four positions.
The key can only be removed when in the 'O' position.
OOff/Stop Engine
Turn the key to this position to stop the engine. Make
sure the controls are in neutral and the excavator and
dozer are lowered before stopping the engine.
IOn
Turning the key in this position connects the battery to
the electrical circuits The key will spring back to this
position when released from ll.
II Heat Position (Not Functional)
Turning the switch to this position has no effect. The
engine is pre-heated automatically if necessary.
lll Start
Operates the starter motor to turn the engine.
Note: Do not operate the starter for more than 20
seconds at one time. If the engine does not start in this
time, return the key to the ‘O’ position. Wait at least one
minute before trying again. The switch mechanism
prevents you from reselecting ‘Start’ without first
returning to ‘O’.
2 Throttle Dial
This rotary control provides progressive engine speed
control over the full range.
Note: If the engine speed does not change even after
turning the throttle dial it may be because the idle switch
6is ON. Push the idle switch to OFF to reactivate the
throttle dial.
If the engine is started with the throttle dial not at the
minimum position, no engine speed control will be
possible until the dial is turned to the minimum position.
Section 1 General Information
9803/9330
Section 1
4-1
Issue 1
Operation
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Underseat Tool Box and Cool Box
For operator convenience a toolbox Aand coolbox Bare
located under the seat.
The coolbox includes a vent Cwhich allows you to control
the level of coolness in the coolbox.
4-2
Switches and Controls (cont’d)
Right Console (cont'd)
3 Radio Mute Switch
This switch is used to temporarily switch the sound
from the radio OFF. When the mute switch is selected
the indicator light will illuminate. When the switch is
reselected the radio sound will resume and the indicator
will extinguish.
4, 5 High-Flow Auxiliary Switches
These switches operate high-flow hydraulic
attachments, such as augers. Press and hold switch 4
to operate the attachment in the ‘forward’ direction.
Press and hold switch 5to operate the attachment in
the ‘reverse’ direction.
Note: ‘Forward’ and ‘reverse’ directions will be determined
by the hydraulic connections to the attachment.
Forward operation can also be activated by a foot-
operated switch, see Operating Attachments.
Note that the EMS will prevent the high flow circuit
operating if the hydraulic oil temperature is at or below
0 °C (32 °F), or if is at or higher than 98 °C (208 °F).
6 One Touch Idle Switch
Pressing this switch instantly changes the engine speed
back and forth between that selected for working and a
‘low idling’ speed. When ‘low idling’ has been selected
the message “LOW IDLE” is displayed on the EMS
Panel.
7 Cigar Lighter/12 V Power Point
To operate the lighter, press it fully into its socket. When
it has heated up sufficiently it will spring forward a little
way out of its socket. It can then be removed for use.
REMEMBER IT WILL BE HOT. Return the lighter to its
socket after use.
This machine is equipped with a 12 V system and can
be used for mobile phone chargers or other 12 V
powered devices (maximum current 5 A).
Section 1 General Information
9803/9330
Section 1
4-2
Issue 1
Operation
A436800
AA
BB
CC

4-3
Switches and Controls (cont’d)
Heater/Air Conditioning Controls
Located on the right console, the heater/air conditioning
controls are used in conjunction with the heater fan controls.
Air Conditioning On/Off
Press switch Xto switch the air conditioning system on or
off. The
system will only operate if the cab temperature
is above
0 °C (32 °F).
Fresh Air/Recirculated Air
Turn rotary switch Afully anti-clockwise for fresh air, turn it
fully clockwise for recirculated air. (Intermediate positions
give a mixture of fresh and recirculated air.)
Heater Fan
Turn rotary switch Bclockwise to turn on the heater fan.
Turn further clockwise for faster speeds. Functions only with
the starter switch ON.
Temperature
Turn rotary switch Cclockwise to increase the heat.
Vents
Air can be distributed as required using the vents shown in
the illustration opposite. The vents can be adjusted for both
direction and flow.
Using the Air Conditioning
1In hot weather to produce comfortable working
conditions.
aClose the door and windows. Turn on the air
conditioning switch X.
bSet control Afully anti-clockwise to avoid drawing
hot air in from outside the cab.
cSet control Bto the required fan speed.
dSet control Cas required to achieve the required
temperature.
2In cold/damp weather, to minimise misting.
aClose the door and windows. Turn off the air
conditioning switch X.
bSet control Afully clockwise to avoid drawing damp
air in from outside the cab.
cSet control Bto the required fan speed. Adjust the
vents as required to direct maximum air to the
windows.
dSet control Cas required to achieve the required
temperature.
Section 1 General Information
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Section 1
4-3
Issue 1
Operation
A436910
BBCCAA
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4-4
Switches and Controls (cont’d)
Left Console
1 Horn Button
When the horn button is pressed the horn will sound.
Note: Always press the switch and sound the horn to give
signals, when the machine is started or you engage travel or
slew.
2 Control Lock Lever
When the Control Lock Lever Ais at its lowest position 1
the hydraulic controls are unlocked and therefore
usable. Raising the lever to position 2lifts the left
console clear of the doorway and isolates the hydraulic
controls for entering/leaving the cab. The controls
remain locked until both the lever and the console are
returned to position 1. (The controls can also be isolated
by pressing the servo isolator switch, see Facia Panel.)
Section 1 General Information
9803/9330
Section 1
4-4
Issue 1
Operation
11
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A409610
1
2

4-5
Switches and Controls (cont’d)
EMS Panel
The EMS (Electronic Monitoring System) provides a
sophisticated means of controlling and monitoring various
aspects of the machine’s engine and hydraulic systems. The
EMS panel, in conjunction with the Facia Panel, provides the
operator interface to the EMS, using an LCD display and a
series of indication lamps to display warnings and
messages. Five pushbutton switches allow the operator to
access the functions of the EMS. An integral buzzer sounds
to attract the operator’s attention to any warning messages.
1 LCD Display
The LCD has 20-segment bar graph gauges for fuel,
hydraulic and water temperatures. There are also
indicators for time, travel speed (Hare/Tortoise type),
power mode and hours run. The panel also has an
eleven character message area to display warning and
operational messages. If a machine error occurs then
the normal Engine Hours/Clock display is replaced by a
warning message. If the error persists, the display will
alternate between the warning message and the Engine
Hours/Clock display. If there are multiple warning
messages to be displayed, the display will cycle the
messages through the display. The normal clock and
engine hours display is also overwritten by one-time
status messages which indicate machine operational
changes. These will automatically be cleared after a
short period of time.
2 Mode Button
Press to select working mode. The machine will be in S
mode when started. Pressing the button cycles through
the modes as follows:
S➨ H➨ L➨S➨ H➨ Letc.
Select the appropriate work mode suitable for the work
to be carried out:
S - STANDARD MODE
For general digging and loading work.
H - HEAVY MODE
For harder digging work.
L - LIGHT MODE
For precise or light duty work.
3 Set Button
Press the SET button to access the monitor Set Up
menu. The menu can be scrolled through using the
Scroll Up and Scroll Down buttons 5,6. The SET button
can also be used to exit from EMS menus.
4 ACK Button
Press to acknowledge warnings shown on the display.
This will clear the message and silence the buzzer but
will not extinguish the warning lamps. It is also used
when navigating the menu system and to acknowledge
any changes to EMS settings.
5 Scroll Up Button
Section 1 General Information
9803/9330
Section 1
4-5
Issue 1
Operation
6 Scroll Down Button
7 Indication Lamps
Fourteen indication lamps are included on the monitor.
(See Indication Lamps.)
POWER
MODE
A410580
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4-6
Section 1 General Information
9803/9330
Section 1
4-6
Issue 1
Operation
LCD Display Icons
Indication Lamps
EMS Panel (cont’d)
High Engine Coolant Temperature (WARNING
LAMP)
Illuminates if the engine coolant temperature
rises too high.
Low Engine Oil Pressure (WARNING LAMP)
Illuminates if the engine oil pressure drops too
far. The light should go out when the engine is
started.
Charging System Fault (WARNING LAMP)
Illuminates when the battery voltage is low.
Engine Air Filter Blocked (WARNING LAMP)
Illuminates if the engine air filter is blocked.
Servo Isolator ON (Status Lamp)
Illuminates when the machine’s servo isolator is
engaged. Lower the lock lever or press the
isolator switch to disengage the isolator.
Slew Lock ON (Status Lamp)
Illuminates when the machine slew lock is
engaged. Press the slew lock switch to
disengage the slew lock.
High Hydraulic Oil Temperature (WARNING
LAMP)
Illuminates if the hydraulic fluid temperature rises
too high.
Service Required (Status Lamp)
If illuminated contact your JCB dealer. Note that
this will first light at 20 hours before the next
service interval is due and will be accompanied
by the ‘SERVICE RQD’ message on the monitor.
Pressing ‘ACK’ will cancel the message but the
LED will stay illuminated. If the service is not
carried out within 20 hours of the specified
interval, you can still cancel the message but the
LED will flash until the service has been
performed.
Lifting Overload (Optional) (Status Lamp)
Illuminates if the safe working load of the
machine is exceeded (if this feature is activated
on the Facia Panel by means of the Overload
Caution button). This feature is only available
when Hose Burst Check Valves are installed.
Dozer Mode Indicator (Status Lamp)
Not used.
Main Beam Indicator (Status Lamp)
Not used.
Hazard Warning Lamps Indicator (Status Lamp)
Not used.
Direction Indicator (Status Lamp)
Not used.
Brake Pressure Low (WARNING LAMP)
Not used.
!CAUTION
All the warning lights should go out when the engine is
started. Rectify any faults immediately.
4-2-1-4
Indicates that machine hours are displayed top
left of the display. This icon flashes while the
engine is running.
Indicates the time.