PDF Operator's Manual Case CX75SR CX80 CX135SR Crawler Excavators - 3 MB
This operator's manual is the definitive guide for the Case Tier 3 Crawler Excavators, including models CX75SR, CX75SR LR, CX80, and CX135SR.
It provides essential information on safe operation, machine controls, and daily maintenance routines.
Adhering to the procedures in this manual will ensure optimal performance and longevity for your excavator.
This is a critical document for all operators and site supervisors.
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--- Page 1 ---
CX75SR
CX75SR-LR
CX80
CX135SR
Tier 3
Crawler excavators
Operator's Manual
Print No. Lep 84336178
4th edition
English 06/2010 - Original instructions
Replaces Lep 84173693
--- Page 3 ---
TABLE OF CONTENTS
SECTION 9 - ELECTRICAL SYSTEM ........................................................................................................ 9-1
Fuses ....................................................................................................................................................... 9-1
Batteries ................................................................................................................................................... 9-4
Alternator .................................................................................................................................................. 9-8
Starter motor ............................................................................................................................................ 9-9
Replacing a bulb ...................................................................................................................................... 9-9
Adjusting the working lights .................................................................................................................... 9-11
SECTION 10 - STORAGE ......................................................................................................................... 10-1
Storing the machine ............................................................................................................................... 10-1
SECTION 11 - SPECIFICATIONS ............................................................................................................ 11-1
Engine .................................................................................................................................................... 11-1
Hydraulic system .................................................................................................................................... 11-2
Undercarriage ........................................................................................................................................ 11-4
Safety devices ........................................................................................................................................ 11-5
Operator's compartment ......................................................................................................................... 11-5
Noise levels ............................................................................................................................................ 11-5
Vibration level inside the cab ................................................................................................................. 11-5
Cab ......................................................................................................................................................... 11-6
Weights .................................................................................................................................................. 11-6
Booms .................................................................................................................................................... 11-7
Dippers ................................................................................................................................................... 11-7
Backhoe buckets .................................................................................................................................... 11-8
Machine overall dimensions (CX75SR) ................................................................................................ 11-10
Machine overall dimensions (CX75SR-LR) .......................................................................................... 11-12
Machine overall dimensions (CX80) .................................................................................................... 11-13
Machine overall dimensions (CX135SR) .............................................................................................. 11-14
Working range (CX75SR) .................................................................................................................... 11-17
Working range (CX75SR-LR) ............................................................................................................... 11-19
Working range (CX80) ......................................................................................................................... 11-20
Working range (CX135SR) .................................................................................................................. 11-21
Quick coupler (except CX75SR-LR) .................................................................................................... 11-24
SECTION 12 - ALPHABETICAL INDEX .................................................................................................. 12-1
--- Page 4 ---
SECTION 3 30
SAFETY/DECALS/HAND SIGNALS
SAFETY INSTRUCTIONS
Your safety and that of people around you depends on
you. It is essential that you understand this manual for
the correct operation, inspection, lubrication and main-
tenance of this machine.
Read this manual carefully and check that:
- You understand fully the symbols on the controls
and the safety signs used in this manual and on the
machine.
- You understand fully the speed, stability, braking
and steering characteristics of the machine. If you
are in any doubt, consult your CASE Dealer.
The safety messages in this manual concern situations
which may arise during normal machine operation and
servicing. These safety messages also indicate the dif-
ferent ways of coping with these situations. Other
safety messages are used throughout the manual to
indicate specific dangers.
Whatever type of work is being done (earthmoving,
handling, etc.), the safety measures for private or pub-
lic work-sites are those which conform to current regu-
lations in the country concerned, or the type of
operation concerned (example: mining, quarrying,
underground work).
The safety instructions given in this manual are a sum-
mary of the basic rules to be respected at all times and
do not exempt you from insurance requirements or
from abiding by the highway code.
Always keep this manual in the location provided for
that purpose (behind the operator’s seat). Make sure
it is always complete and in good condition. If you
wish to obtain extra copies, or copies in languages
other than that of the country of use, consult your
CASE Dealer.
CT02C003
1
3-1
--- Page 5 ---
SECTION 3 - SAFETY/DECALS/HAND SIGNALS
(CX80) When replacing a decal, make sure it is located as shown below.
24
16
15
32
34
30 30
17
28
18 19 31
21
22 26
25
34
20
32
23
CT08B001
5
3-11
--- Page 6 ---
SECTION 3 - SAFETY/DECALS/HAND SIGNALS
RADIATOR
25
Part number: 168101A1
This decal warns that the radiator must never be
touched and that the radiator cap must never be
removed while the cooling system is still hot. Wait for
the system to cool down before carrying out any opera-
tion.
CS96C179
36
FAN BELT
26
Part number: 168111A1
This decal warns that the fan and the fan belt must
never be touched while the engine is running. Stop the
engine before performing any operation.
CS96C038
37
(CX135SR) INTERCOOLER
(Intermediate cooler) 27
Part number: KHP12690
This decal warns that one must never touch the cooler
when it is still hot.
KHP12690-00
CT07A018
38
3-21
--- Page 7 ---
SECTION 4 52
CONTROLS/INSTRUMENTS/ACCESSORIES
CAB DOOR
To open the door, use the handle (1) from the out-
side and use the handle (2) from the inside.
1
CT02C030
1
2
CT02C031
2
The door can be latched in completely open position.
To unlatch the door, tilt the lever (3) downwards. 3
! WARNING !
Do not leave the door ajar. Fix it in a latched posi-
tion.
! WARNING !
When seated in the operator’s compartment, with
the engine running, make sure that you do not to
operate the LH control lever inadvertently when CT02C032
unlocking the door. To prevent any incident, place 3
the LH control arm in the raised position. See "Con-
trol locking lever".
! WARNING !
Be careful not to get your hand, clothes, etc. caught
in the door when closing it.
4-1
--- Page 8 ---
SECTION 4 - CONTROLS/INSTRUMENTS/ACCESSORIES
11 6
10 9 7 8
CT02C047A
14
6. EMERGENCY SHUT DOWN SWITCH 9. OPTION CONTROL (optional)
This switch shuts down the engine in case of an This two-position switch enables the activation of
emergency. See "Stopping the engine" in section 5. options such as the hydraulic breaker, grab, shears,
etc. Place the switch in one of the two positions
IMPORTANT: This switch should only be used in
depending on the accessories to be used. See
case of an emergency. Do not use it on a day-to-
"Auxiliary hydraulic systems" in section 5.
day basis.
10. QUICK COUPLER LOCKING AND UNLOCKING
7. HEATING AND VENTILATION CONTROL
SWITCH (optional)
See "Heating and ventilation control" for its use.
See "Quick coupler locking and unlocking control
switch".
8. HEATING, VENTILATION OR
AIR-CONDITIONING CONTROL (optional)
11. LOCATION OF OPTION CONTROL (optional)
See "Heating, ventilation or air-conditioning control"
for its use.
4-11
--- Page 9 ---
SECTION 4 - CONTROLS/INSTRUMENTS/ACCESSORIES
DOZER BLADE CONTROL LEVER (if equipped)
This lever is used to operate the dozer blade.
1. Pull the lever, the dozer blade raises.
2. Push the lever, the dozer blade lowers.
Operation of the dozer blade stops when the lever is
released. The lever returns to the neutral position.
NOTE: With the engine shut down, if the dozer
blade is in the raised position it is possible to lower it
to the ground using the control lever.
! WARNING !
Before operating the dozer blade, make sure that
there is no one standing in its working area. CT02C041
36
CAB LIGHT
Located on top of the cab on the LH side, the lighting is
controlled by a switch built into the lamp bracket.
IMPORTANT: Make sure that the lights are switched
off after use, otherwise the batteries may become
discharged.
NOTE: To replace bulbs, see "Replacing a bulb" in
section 9.
CT02C058
37
COAT HANGER HOOK
The coat hanger hook is located on the rear LH cab
upright.
IMPORTANT: Take care not to obscure the view by
clothes that are too bulky.
CT02C059
38
4-21
--- Page 10 ---
SECTION 4 - CONTROLS/INSTRUMENTS/ACCESSORIES
3. Make sure the top of the windshield is correctly
latched.
CT02C091
65
LOWER FRONT WINDOW
The lower front window may only be removed when
the windshield is open.
1. Pull the window upwards to remove it.
CT02C092
66
2. Place the window in the storage position provided
to the left of the operator's seat and then engage it
correctly.
CT02C093
67
4-31
--- Page 11 ---
SECTION 4 - CONTROLS/INSTRUMENTS/ACCESSORIES
RH FRONT SIDE DOOR
The door gives access mainly to the windshield
washer tank, the hydraulic breaker return circuit filter
indicator etc.).
(CX75SR, CX75SR-LR, CX80)
CT08K017
90
(CX135SR)
CT02C113
91
! WARNING !
Always install the struts when the doors are open.
! WARNING !
Before undertaking any travel, make sure the side
doors are properly closed.
! WARNING !
Never leave tools or other objects behind the side
doors.
4-41
--- Page 12 ---
SECTION 4 - CONTROLS/INSTRUMENTS/ACCESSORIES
FUEL TANK FILLER PUMP (CX135SR) (optional)
! WARNING !
Never refuel when the engine is running. Never
smoke while refuelling.
IMPORTANT: Do not put a moisture elimination
product (water draining agent) in the fuel tank. (It
may damage the engine).
IMPORTANT: This pump is located in the front stor-
age box and is to be used for fuel only. Use suitable
fuel, see "Fluids and lubricants" in section 7.
1. Park the machine on flat, horizontal ground, stop
the engine and set the starter switch key to the
"ON" position (contact).
2. Remove the filler cap from the fuel tank.
CT02E069
115
3. Measure the height of the drum and place the
suction tube sight ring (1) at a height slightly lower
than that of the drum.
1
PDF0361
116
4-51
--- Page 13 ---
SECTION 5 - OPERATING INSTRUCTIONS
OPERATING THE MACHINE IN COLD WEATHER
Follow the following recommendations:
BATTERIES
They should be fully charged.
FUEL
a) To prevent condensation forming and water get-
ting into the fuel system, fill the fuel tank after each
day's work and drain off any water before starting the
next day's work.
b) To prevent crystals forming at -2°C, use fuel which
is rated for the ambient temperature or add an appro-
priate antifreeze to the fuel. See "Fluids and lubricants"
in section 7.
ENGINE OIL
It should be of the right viscosity for the ambient tem-
perature. See "Fluids and lubricants" in section 7.
HYDRAULIC FLUID
The viscosity must correspond to the ambient temper-
ature conditions. See "Fluids and lubricants" in
section 7.
COOLANT SOLUTION
It must have specifications corresponding to the ambi-
ent temperature. See "Fluids and lubricants" in
section 7.
OPERATING THE MACHINE IN HOT WEATHER
Follow the recommendations made below:
1. Keep the coolant at the correct level in the coolant
reservoir and in the radiator.
2. Use the correct solution of ethylene glycol and
water in the cooling system.
3. Test the radiator cap before hot weather starts.
Replace the cap as required.
4. Clean all dirt and debris from the radiator, cooler
and engine area.
5. Check the condition of the fan drive belt.
6. Check the dust valve in the air cleaner frequently
during extreme dust conditions.
7. Use lubricants of the correct viscosity. See "Fluids
and lubricants" in section 7.
5-9
--- Page 14 ---
SECTION 5 - OPERATING INSTRUCTIONS
3. Make sure that the high speed travel switch is
inactive.
CT02C056
29
4. Raise the dozer blade (if equipped).
CT02C197
30
5. (Machine with attachment)
Place the machine in line with the trailer, with the travel
reduction gears towards the access ramps. Raise the
attachment and bring it to about twenty centimetres
above the bed of the trailer.
IMPORTANT: In this position, the travel and steering
controls are reversed.
NOTE: If the machine is equipped with a dozer blade,
it is preferable to load the machine with the dozer
blade facing the trailer to prevent interference with the
attachment.
PDH0248
31
5. (Machine without attachment)
Place the machine in line with the trailer, with the travel
reduction gears towards the access ramps.
IMPORTANT: In this position, the travel and steering
controls are reversed.
CS99B518
32
5-19
--- Page 15 ---
SECTION 5 - OPERATING INSTRUCTIONS
LOAD HANDLING
! WARNING !
Whenever load handling operations are to be carried out, it is imperative to adhere strictly to the instructions
given in this manual and local legislation.
When lifting a load (tubes, concrete pipe connections, shoring material, etc.) the machine must be equipped
with safety valves, an overload indicator, a load fixing point and a load handling chart corresponding to the
type of machine and to its attachment. See "Load handling limits charts".
IMPORTANT: No system or device may be substituted for CASE safety valves when load handling.
When handling loads, be sure to do the following:
- Park the machine on a flat, firm, level surface.
- Fix the load to the load fixing point (load handling eye) located on the quick coupler (optional) (see "Load handling
eyes" in section 4) or on the bucket control rod, see "Load handling limits charts". It is forbidden to weld hooks or
lugs on the bottom plate of buckets.
- Use slings and chains which are in perfect condition, suitable for lifting the load to be handled and fitted with
safety type hooks that will not accidentally open.
- Check that the safety valves function correctly. The pressure setting must be checked every 6 months, in con-
formance with prevailing regulations and/or the maker's instructions. Consult your CASE Dealer.
- Make sure the load handling chart is in the dust jacket specially provided and that it corresponds to the machine
version and the attachment mounted. See "Load handling limits charts".
- Place the overload indicator switch on the left-hand control arm in "ON" (running) position. This is mandatory. See
"LH control arm" in section 4.
- Do not exceed the limits shown on the load handling chart. To obtain a load handling chart, consult your CASE
Dealer, giving full particulars of the machine model number, the weight of the counterweight, plus the length and
type of boom and dipper.
- Do not allow anyone within the machine's operating radius.
- Operate the controls smoothly to ensure precise movement of the attachment and the machine.
- Stabilize the load a few centimetres above the ground to make sure it is perfectly balanced before trying to
move it.
- All movements must be sure and smooth. Moving quickly does not mean moving roughly.
- When travelling with a load, make sure you do the following:
- Place the upperstructure in line with the undercarriage.
- Bring the load as close as possible to the undercarriage and the ground.
- Be sure all travel is undertaken in low speed only.
NOTE: Load handling on CASE machines is in conformity with standard EN 474-1 and standard EN 474-5 relative
to directive 98/37/EC.
5-29
--- Page 16 ---
SECTION 5 - OPERATING INSTRUCTIONS
(CX135SR)
3. Remove the 4 screws (1) then the plate (2).
2 1
CT02C217
72
4. Remove the screw (1) then bring the flow selector
valve to position (B), reinstall the screw (1) in posi-
tion (B).
1
B
CT02C186
73
5. Make sure that the switch (1) located on the LH
control arm is in the desired position.
1
CT02C236
74
6. Operate the option pedal. See "Optional pedal"
in section 4.
CT02C235
75
5-39
--- Page 17 ---
SECTION 6 - SERVICING INTERVALS
(R) Have this checked by a specialist every 6 months.
(S) Check for leaks.
(T) If the linkage points (boom bottom pin and boom/dipper linkage) are not fitted with genuine parts, these points
must be lubricated every 50 hours.
(U) If biodegradable fluid is used, it is imperative for the servicing interval to be reduced to 1000 hours.
(V) Have this checked every 6 months by your CASE Dealer.
(*) IMPORTANT: (CX75SR) If the machine is equipped with a hydraulic breaker, it is imperative that the servicing
intervals are reduced, see "Replacing the hydraulic filters and fluid when a hydraulic breaker is used" in section 7.
6-7
--- Page 19 ---
SECTION 7 - LUBRICATION/FILTERS/FLUIDS
FUEL Using fuels other than those recommended can
damage the fuel injection pump, the injector and
The fuel used must comply with the Tier 3 emission
other parts of the fuel supply system and the
control regulations.
engine. The CASE company disowns any
Use grade No. 2-D fuel. The use of other types of responsibility concerning this kind of damage,
fuel can result in a loss of power of the engine and which is not covered by the guarantee. To avoid
may cause high fuel consumption. any damage to the engine fuel supply system, you
are recommended to take the following safety mes-
In cold weather (below -7°C), it is provisionally
sages into account:
approved to use a mixture of fuels No. 1-D and
- Certain fuel suppliers mix used engine oil with die-
No. 2-D. Consult your fuel supplier or your CASE
sel fuel.
Dealer.
Certain manufacturers of large engines allow them
If the temperature falls below the fuel cloud point
to do this. However, for your engine, do not use die-
(point at which wax begins to form) the wax crystals
sel fuel contaminated by engine oil. In addition to
will cause power loss or will prevent the engine from
damaging the engine, this fuel can actually
starting.
adversely affect the correct purification of exhaust
Conditions applicable to diesel fuel gases. Before using diesel fuel, ask the supplier to
confirm that it meets the above specifications.
The diesel fuel used must:
IMPORTANT: For a proper use of fuel additives con-
- be free from dust particles, even minute ones.
sult your supplier or your CASE Dealer. Do not inject
- have the proper viscosity.
fuel oil or gasoline, both fuels can damage the engine.
- have a high cetane number.
- present great fluidity at low temperatures. IMPORTANT: In cold weather, fill the fuel tank at the
- have low sulphur content. end of the day's work, in order to prevent the formation
- have very little residual carbon. of condensation.
Recommendations applicable to diesel fuel Fuel storage
- JIS (Japanese Industrial Standard): No. 2 Long storage can lead to the accumulation of impu-
- DIN (Deutsche Industrie Normen): DIN 51601 rities and condensation in the fuel. Engine trouble
- SAE (Society of Automotive Engineers) according can often be traced to the presence of water in the
to SAE-J-313C: No. 2-D fuel.
- BS (British Standard) according to BS/2869-1970:
The storage tank must be placed outside and the
Class A-1
temperature of the fuel should be kept as low as
- EN 590
possible. Drain off water and impurities regularly.
- or fuel corresponding to these standards and stip-
ulated in your country.
IMPORTANT: It you use fuel which has a sulphur
content of more than 2500 ppm, use API grade
CF-4 or JASO grade DH-1 engine oil. However, if
these specifications cannot be met, it is imperative
that the engine servicing intervals are reduced to
250 hours (oil change, filters etc.). Every
3000 hours, the injectors and EGR (Exhaust Gas
Recirculation) circuit parts must be checked and
replaced by your CASE Dealer.
IMPORTANT: Use of any other fuel can cause seri-
ous breakdown and will cancel the guarantee.
7-3
--- Page 20 ---
SECTION 7 - LUBRICATION/FILTERS/FLUIDS
BACKHOE-OFFSET BOOM/DIPPER
(CX75SR)
G F D
E C
J
K
H
B
L
A
CT02J036
19
NOTE: For the lubrication of the bucket linkage, see "Backhoe dipper/bucket".
Every 250 hours
A
Boom cylinder bottom pin......................................... (1)
CT02J018
20
Boom cylinder top pin............................................... (1)
B
CT02J019
21
7-13
--- Page 21 ---
SECTION 7 - LUBRICATION/FILTERS/FLUIDS
IMPORTANT: If the following linkage points are not
equipped with genuine parts, these points must be
lubricated every 50 hours.
Every 1000 hours
F
Boom bottom pin....................................................... (3)
CT05F002
49
Pre-boom/boom linkage ........................................... (1)
G
CT05F004
50
Boom/dipper linkage................................................. (2)
H
CT02E093
51
7-23
--- Page 22 ---
SECTION 7 - LUBRICATION/FILTERS/FLUIDS
(CX135SR)
Engine oil .................................................................. (1)
CT02C290
74
(CX75SR, CX75SR-LR, CX80)
Hydraulic reservoir.................................................... (1)
CT08K024
75
(CX135SR)
Hydraulic reservoir.................................................... (1)
CT02D078
76
7-33
--- Page 23 ---
SECTION 7 - LUBRICATION/FILTERS/FLUIDS
LEVEL
The level of coolant solution should be checked
when the engine is cold.
On flat, level ground, before using the machine (while
the engine is still cold), the level in the expansion res-
ervoir should be between the "Full" (1) and "Low" (2)
marks. If not, see "Filling".