Case CX75SR CX75SR-LR CX80 CX135SR Tier 3 Crawler Excavators Operator’s Manual 84336178 – PDF DOWNLOAD

Description

Case CX75SR CX75SR-LR CX80 CX135SR Tier 3 Crawler Excavators Operator’s Manual 84336178 – PDF DOWNLOAD

DESCRIPTION:

Case CX75SR CX75SR-LR CX80 CX135SR Tier 3 Crawler Excavators Operator’s Manual 84336178 – PDF DOWNLOAD

TO THE OWNER :

• Your machine has been designed and built to the highest standards of quality. It conforms to all current safety regulations. See “Official documents”. However, the risk of accidents can never be completely excluded. That is why it is essential to observe elementary safety rules and precautions.
• Read this manual carefully, paying particular attention to the instructions concerning safety, operation and maintenance so as to avoid the risk of injury while operating or servicing the machine. The standard attachments and tools of this machine are designed to carry out all kinds of earthmoving and rehandling operations.
• If you want to use this machine to handle a load (pipes, culverts, formwork, etc.), make sure that it is designed to carry out this kind of work. For this type of application, the machine must be equipped with safety valves, an overload indicator, a load handling chart corresponding to the type of machine and its attachment and a load fixing point. All legal requirements must also be strictly observed.
• Do not use this machine for any application or purpose other than those described in this manual. If the machine is to be used for work involving the use of special attachments, accessories or equipment, consult your CASE Dealer in order to make sure that any adaptations or modifications made are in keeping with the machine’s technical specifications and with prevailing safety requirements. Any modification or adaptation which is not approved by the manufacturer may invalidate the machine’s initial conformity with safety requirements.

TABLE OF CONTENTS:

Case CX75SR CX75SR-LR CX80 CX135SR Tier 3 Crawler Excavators Operator’s Manual 84336178 – PDF DOWNLOAD

1 – To the owner
2 – Identification numbers/Machine components
3 – Safety/Decals/Hand signals
4 – Controls/Instruments/Accessories
5 – Operating instructions
6 – Servicing intervals
7 – Lubrication/Filters/Fluids
8 – Maintenance/Adjustments
9 – Electrical system
10 – Storage
11 – Specifications
12 – Alphabetical index

SECTION 1 –
TO THE OWNER …………………………………………………………………………………………………… 1-1
Hydraulic crawler excavators CX75SR, CX75SR-LR, CX80 and CX135SR ……………………………………..1-1
Official documents ……………………………………………………………………………………………………………………1-3
Right, left, front and rear of the machine ……………………………………………………………………………………..1-3
SECTION 2 –
IDENTIFICATION NUMBERS/MACHINE COMPONENTS ………………………………………….. 2-1
Type, serial number and year of manufacture of the machine ………………………………………………………..2-1
Description of the main components …………………………………………………………………………………………..2-4
SECTION 3 –
SAFETY/DECALS/HAND SIGNALS ………………………………………………………………………… 3-1
Safety instructions ……………………………………………………………………………………………………………………3-1
Before using the machine …………………………………………………………………………………………………………3-2
Operating the machine ……………………………………………………………………………………………………………..3-3
Preventing risks caused by vibrations …………………………………………………………………………………………3-4
Cab protection (F.O.P.S.) ………………………………………………………………………………………………………….3-5
Quick coupler (except CX75SR-LR) …………………………………………………………………………………………..3-5
Safety area ……………………………………………………………………………………………………………………………..3-5
Using an implement other than a bucket (except CX75SR-LR) ………………………………………………………3-5
Implement operation and maintenance (except CX75SR-LR) ………………………………………………………..3-5
Parking the machine ………………………………………………………………………………………………………………..3-6
Maintenance and adjustments …………………………………………………………………………………………………..3-6
Preventing fires or explosions ……………………………………………………………………………………………………3-7
Prevention of burns ………………………………………………………………………………………………………………….3-8
Decals ……………………………………………………………………………………………………………………………………3-9
Hand signals …………………………………………………………………………………………………………………………3-26
SECTION 4 –
CONTROLS/INSTRUMENTS/ACCESSORIES ………………………………………………………….. 4-1
Cab door ………………………………………………………………………………………………………………………………..4-1
Steps and access handles ………………………………………………………………………………………………………..4-2
Position of the operator’s compartment controls and accessories …………………………………………………..4-4
RH control arm ………………………………………………………………………………………………………………………..4-5
Instrument panel ……………………………………………………………………………………………………………………..4-6
LH control arm (CX75SR, CX75SR-LR, CX80) …………………………………………………………………………….4-8
LH control arm (CX135SR) ……………………………………………………………………………………………………..4-10
Working light switch ……………………………………………………………………………………………………………….4-12
Windshield washer switch ……………………………………………………………………………………………………….4-12
Windshield wiper switch ………………………………………………………………………………………………………….4-12
High speed travel switch …………………………………………………………………………………………………………4-13
Heating and ventilation control …………………………………………………………………………………………………4-14
Heating, ventilation or air-conditioning control ……………………………………………………………………………4-15
Quick coupler locking and unlocking control switch (except CX75SR-LR) ……………………………………..4-16
Control locking lever ……………………………………………………………………………………………………………….4-17
Dipper and upperstructure swing LH control lever ………………………………………………………………………4-18
Boom and bucket RH control lever …………………………………………………………………………………………..4-18
TABLE OF CONTENTS
Controls/Instruments/Accessories (continued)
Travel control levers and pedals ……………………………………………………………………………………………….4-19
Backhoe-offset boom control pedal (CX75SR, CX135SR) ……………………………………………………………4-19
Articulated boom adjustment pedal (CX135SR) ………………………………………………………………………….4-19
Equipment offset pivot control pedal (CX80) ………………………………………………………………………………4-19
Option pedal ………………………………………………………………………………………………………………………….4-20
Unlocking and locking of pedals ……………………………………………………………………………………………….4-20
Dozer blade control lever …………………………………………………………………………………………………………4-21
Cab light ……………………………………………………………………………………………………………………………….4-21
Coat hanger hook …………………………………………………………………………………………………………………..4-21
Rear RH side window ……………………………………………………………………………………………………………..4-22
Glove compartment ………………………………………………………………………………………………………………..4-22
Storage tray …………………………………………………………………………………………………………………………..4-22
Ashtray …………………………………………………………………………………………………………………………………4-23
Sun shield ……………………………………………………………………………………………………………………………..4-23
Fuse box ……………………………………………………………………………………………………………………………….4-23
Cab radio compartment …………………………………………………………………………………………………………..4-24
Speaker compartments …………………………………………………………………………………………………………..4-24
Operator’s seat ………………………………………………………………………………………………………………………4-25
Windshield …………………………………………………………………………………………………………………………….4-29
Lower front window …………………………………………………………………………………………………………………4-31
Window-breaker hammer ………………………………………………………………………………………………………..4-32
Air vents ………………………………………………………………………………………………………………………………..4-32
Rear view mirrors …………………………………………………………………………………………………………………..4-33
Upper hood (CX75SR, CX75SR-LR, CX80) ……………………………………………………………………………….4-35
Fuel tank ……………………………………………………………………………………………………………………………….4-36
Engine hood ………………………………………………………………………………………………………………………….4-37
Side doors …………………………………………………………………………………………………………………………….4-39
Rotary light cable ……………………………………………………………………………………………………………………4-42
Towing hole …………………………………………………………………………………………………………………………..4-43
Cab protection (F.O.P.S.) ………………………………………………………………………………………………………..4-43
Load handling eyes (except CX75SR-LR) ………………………………………………………………………………….4-44
Windshield washer reservoir ……………………………………………………………………………………………………4-45
Lower panels …………………………………………………………………………………………………………………………4-45
Safety valves …………………………………………………………………………………………………………………………4-46
Optional tool supply valves ………………………………………………………………………………………………………4-46
Optional tool flow selector valve (except CX75SR-LR) ………………………………………………………………..4-47
Fuel tank filler pump (CX75SR, CX75SR-LR, CX80) …………………………………………………………………..4-48
Fuel tank filler pump (CX135SR) ………………………………………………………………………………………………4-51
SECTION 5 –
OPERATING INSTRUCTIONS ………………………………………………………………………………… 5-1
Before using the machine ………………………………………………………………………………………………………….5-1
Operating the machine ……………………………………………………………………………………………………………..5-2
TABLE OF CONTENTS
Operating instructions (continued)
Run-in period …………………………………………………………………………………………………………………………..5-3
Starting the engine …………………………………………………………………………………………………………………..5-4
Bringing the machine up to operating temperature ……………………………………………………………………….5-6
Engine operation ……………………………………………………………………………………………………………………..5-7
Stopping the engine …………………………………………………………………………………………………………………5-8
Operating the machine in cold weather ……………………………………………………………………………………….5-9
Operating the machine in hot weather ………………………………………………………………………………………..5-9
Machine operation ………………………………………………………………………………………………………………….5-10
Machine travel ……………………………………………………………………………………………………………………….5-12
Setting the 2.10 m or 2.85 m dipper into the transport position (CX135SR) ……………………………………5-15
Removal and installation of heavy equipment items ……………………………………………………………………5-16
Transporting the machine ……………………………………………………………………………………………………….5-17
Handling the machine …………………………………………………………………………………………………………….5-23
Operating the machine in water ……………………………………………………………………………………………….5-24
Operating the machine on sloping ground …………………………………………………………………………………5-24
Parking the machine ………………………………………………………………………………………………………………5-25
Towing ………………………………………………………………………………………………………………………………….5-27
Operating the backhoe bucket …………………………………………………………………………………………………5-28
Load handling ………………………………………………………………………………………………………………………..5-29
Lowering the attachment in the event of a machine failure …………………………………………………………..5-32
Quick coupler installation (except CX75SR-LR) ………………………………………………………………………….5-33
Quick tool installation and removal (except CX75SR-LR) …………………………………………………………….5-33
Auxiliary hydraulic circuits (except CX75SR-LR) ………………………………………………………………………..5-38
SECTION 6 –
SERVICING INTERVALS ……………………………………………………………………………………….. 6-1
Servicing instructions ……………………………………………………………………………………………………………….6-1
Hourmeter ………………………………………………………………………………………………………………………………6-2
Daily inspections ……………………………………………………………………………………………………………………..6-2
Quick coupler servicing instructions (except CX75SR-LR) …………………………………………………………….6-4
Quick coupler incorrect functioning (except CX75SR-LR) ……………………………………………………………..6-4
Intervals (CX75SR, CX75SR-LR) ………………………………………………………………………………………………6-5
Intervals (CX80) ………………………………………………………………………………………………………………………6-8
Intervals (CX135SR) ………………………………………………………………………………………………………………6-11
SECTION 7 –
LUBRICATION/FILTERS/FLUIDS ……………………………………………………………………………. 7-1
Fluids and Lubricants ……………………………………………………………………………………………………………….7-1
Environment ……………………………………………………………………………………………………………………………7-4
Fluid and lubricant capacities and specifications ………………………………………………………………………….7-4
Grease points ………………………………………………………………………………………………………………………….7-6
Levels …………………………………………………………………………………………………………………………………..7-32
Engine (CX75SR, CX75SR-LR, CX80) ……………………………………………………………………………………..7-36
Engine (CX135SR) …………………………………………………………………………………………………………………7-39
TABLE OF CONTENTS
Lubrication/Filters/Fluids (continued)
Cooling system (CX75SR, CX75SR-LR, CX80) ………………………………………………………………………….7-42
Cooling system (CX135SR) ……………………………………………………………………………………………………..7-46
Fuel system (CX75SR, CX75SR-LR, CX80) ………………………………………………………………………………7-50
Fuel system (CX135SR) ………………………………………………………………………………………………………….7-54
Filling the fuel tank ………………………………………………………………………………………………………………….7-59
Releasing pressure in the hydraulic system ……………………………………………………………………………….7-60
Hydraulic system (CX75SR, CX75SR-LR, CX80) ……………………………………………………………………….7-62
Hydraulic system (CX135SR) …………………………………………………………………………………………………..7-68
Bleeding air from the hydraulic components ………………………………………………………………………………7-75
Replacing the filters and hydraulic fluid when a hydraulic breaker is used (CX75SR, CX80) …………….7-77
Replacing the filters and hydraulic fluid when a hydraulic breaker is used (CX135SR) …………………….7-79
Air filter …………………………………………………………………………………………………………………………………7-80
Swing reduction gear (CX135SR) …………………………………………………………………………………………….7-85
Travel reduction gears …………………………………………………………………………………………………………….7-87
SECTION 8 –
MAINTENANCE/ADJUSTMENTS ……………………………………………………………………………. 8-1
Tracks …………………………………………………………………………………………………………………………………….8-1
Checking the condition of rubber tracks ………………………………………………………………………………………8-6
Replacing the rubber tracks ……………………………………………………………………………………………………….8-6
Track rollers and idler wheels …………………………………………………………………………………………………….8-9
Radiator and oil cooler …………………………………………………………………………………………………………….8-10
Fan and alternator drive belt …………………………………………………………………………………………………….8-11
Adjustment of engine valve rocker clearances ……………………………………………………………………………8-13
Fuel tank filter ………………………………………………………………………………………………………………………..8-13
Inspecting and cleaning the machine ………………………………………………………………………………………..8-14
Checking the machine settings …………………………………………………………………………………………………8-14
Checking for cylinder leakage ………………………………………………………………………………………………….8-14
Tooth tip wear limits on the backhoe bucket ………………………………………………………………………………8-15
Replacing a tooth tip on a backhoe bucket …………………………………………………………………………………8-16
Replacing a backhoe bucket ……………………………………………………………………………………………………8-17
Cab protection (F.O.P.S.) ………………………………………………………………………………………………………..8-18
Fire extinguisher …………………………………………………………………………………………………………………….8-19
Welding on the machine ………………………………………………………………………………………………………….8-19
Checking the quick coupler latching hook opening (except CX75SR-LR) ……………………………………….8-20
Air conditioning ………………………………………………………………………………………………………………………8-23
Plastic and resin parts …………………………………………………………………………………………………………….8-26
Engine troubleshooting ……………………………………………………………………………………………………………8-27
Hardware torque inspection ……………………………………………………………………………………………………..8-29
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-

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