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Case CX75SR, CX80 Crawler Excavators Workshop Repair & Service Manual

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US Dollar: $49.00

Case CX75SR, CX80 Crawler Excavators Workshop Repair & Service Manual

3,753 total pages, bookmarked, Searchable, Printable, high quality PDF

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Complete digital service shop manual contains service, maintenance, and troubleshooting information for the Case/CNH CX75SR, CX80 Crawler Excavators. Diagnostic and repair procedures are covered in great detail to repair, maintain, rebuild, refurbish or restore your Case CX75SR, CX80 Crawler Excavators like a professional mechanic in local service/repair workshop. This cost-effective quality manual is 100% complete and intact as should be without any missing pages. It is the same factory shop manual used by dealers that guaranteed to be fully functional to save your precious time.

This manual for Case CX75SR, CX80 Crawler Excavators is divided into different sections. Each section covers a specific component or system and, in addition to the standard service procedures, includes disassembling, inspecting, and assembling instructions. A table of contents is placed at the beginning of each section. Pages are easily found by category, and each page is expandable for great detail. It is in the cross-platform PDF document format so that it works like a charm on all kinds of devices. You do not need to be skilled with a computer to use the manual.

Complete Service Repair Manual For Case CX75SR, CX80 Tier 3 Crawler Excavators. Include detailed step by step Instructions, diagrams, illustrations for disassembly and assembly. Make an easy any repair, overhaul, testing, adjustment, teardown, replacement and change, inspection.

PDF version of manual have:

= Clickable index
= Bookmarks
= Searchable Text
= Printable
= Zoomable

MODELS Covered

Case Crawler Excavators

Case CX75SR

Case CX80 Tier 3

SECTIONS covered

    GENERAL INFORMATION

Safety, general information and standard torque data
General specifications and special torque setting

    ENGINE

Removal and installation of the engine

    FUEL SYSTEM

Removal and installation of the fuel tank

    ELECTRICAL SYSTEM

Electrical and engine functions and service support
Electrical equipment and electrical circuit diagrams

    UNDERCARRIAGE

Removal and installation of tracks
Rollers
Take-up roller

    DRIVE TRAIN

Removal and installation of the drive motor and final drive transmission
Disassembly and assembly of the drive motor and final drive transmission
Removal and installation of the swing motor and swing reduction gear
Disassembly and assembly of the swing reduction gear

    UNDERCARRIAGE HYDRAULICS
    UPPERSTRUCTURE HYDRAULICS

Specifications, troubleshooting, checks and
hydraulic pressure settings
Removal and installation of the hydraulic reservoir
Removal and installation of the main hydraulic pump
Removal and installation of the main hydraulic control valve – CX75SR
Removal and installation of the main hydraulic control valve – CX80
Removal and installation of the attachment cylinders
Removal and installation of the hydraulic swivel
Removal and installation of the pilot blocs
Disassembly and assembly of the main hydraulic pump
Disassembly and assembly of the main hydraulic control valve – CX75SR
Disassembly and assembly of the main hydraulic control valve – CX80
Disassembly and assembly of the attachment cylinders
Disassembly and assembly of the hand control levers
Disassembly and assembly of the foot control levers
Disassembly and assembly of the solenoid valve block
Disassembly and assembly of the cushion valve
Disassembly and assembly of the hydraulic swivel
Disassembly and assembly of the swing motor
Hydraulic functions
Hydraulic component functions

    UPPERSTRUCTURE

Air conditioning unit
Large size hydraulic schematics
Large size electrical schematics

EXCERPT:
TRAVELLING -WHEELS AND TRACKS Tracks
Drive sprocket - Remove (0.50.8.45 - F.1 O.A.1 0)
CX75SR, CX80
Prior operation: Steel track- Remove (0.50.8.46- F.10.A.10)
1. Move the machine so that the track is in the position shown.
2. Rotate the upper structure so that the cab is over the side of the machine where the sprocket to be removed is located.
Using the attachment, raise the side of the machine until the sprocket teeth are free of the chain.
3. To facilitate reassembly, make alignment marks (1) on the sprocket and the reduction gear.
4. Remove the screws (1) and the washers that attach the sprocket to the reduction gear.
5. Using a soft face hammer, tap the sprocket off the reduction gear housing and remove it.
Drive sprocket - Install (0.50.8.45 - F.1 O.A.15)
CX75SR, CX80
1. Install the sprocket on the drive reduction gear following the marks (1) made during removal.
2. If necessary, use a soft face hammer to seat the sprocket correctly o the reduction gear housing.
3. Apply thread lock fluid to the screws (1).
Install the washers and the screws, tighten to a torque of 267- 312 Nm.
Steel track - Remove (0.50.8.46 - F.1 O.A.1 0)
CX75SR, CX80
1. Park the machine on a hard, level surface.
Rotate the upper structure of the machine so that the cab is over the track to be removed.
2. Lower the bucket or the tool to lift the track a few centimetres off the ground.
3. Mark the master pin (1) on the flat surfaces on one side and on the retaining pin (2) at the other end.
4. Bring the master pin to a level halfway up the sprocket.
Operate the machine to lower the track to be removed to the ground.
Rotate the upper structure of the machine so that the cab is facing forwards.
Shut down the engine.
IMPORTANT: Do not remove the check valve.
DANGER
SA024 - Hydraulic fluid or grease injected into your skin can cause severe injury or death. Keep your hands and body away from any pressurized leak. If fluid is injected into your skin, see a doctor immediately and have the fluid removed.
5. Slacken the track by gradually loosening the check valve about two turns. Grease will escape from an orifice in the valve thread.
6. Remove the screws (1) and the track shoe nuts above the end of chain pin.
Remove the track shoe.
7. Straighten one of the retaining pin ends.
8. Tap the retaining pin out of the end of chain pin.
9. Remove the screws and the track shoe nuts below the end of chain pin.
Remove the track shoe.
10. Install the portable hydraulic press CAS-1 0044 on the end of chain axle.
Drive the end of chain pin out.
11. Remove the portable hydraulic press.
12. Using a crowbar, separate the chain links.
Remove the two spacers (1 ).
13. Start the engine.
Using the attachment, raise the chassis on the side of the track to be removed.
Install stands under the machine to hold it in place and lower the machine onto the stands.
Stop the engine.
14. Attach a sling to the lower end of the track.
Start the engine.
Reverse the machine, moving the dipper out at the same time.
When the track is free of the sprocket, stop the machine from reversing further.
Continue moving the dipper out until the track is pulled away from the machine.
Stop the engine, move the track to be replaced away from the machine.
...

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