CHAPTER 1 - GENERAL INFORMATION
1-3
6-34551NA Issued 8-04 Bur
MACHINE COMPONENTS
CT02C001
Figure 2
MAIN COMPONENTS
The CX75SR, CX80 and CX135SR are fully hydraulic machines. They consist of an undercarriage fitted with tracks
and a turntable bearing which supports the upperstructure frame. The upperstructure frame supports the
attachment, at the front end of the machine, plus the engine, hydraulics and cab. When the operator works the
controls, the engine-driven pump delivers hydraulic fluid to the control valves. The control valves distribute the
hydraulic fluid to the various cylinders and motors concerned. A cooling system maintains the hydraulic fluid at
normal operating temperature.
1. CAB/OPERATOR'S COMPARTMENT 9. ARM CYLINDER 17. IDLER WHEELS
2. UPPERSTRUCTURE 10. BACKHOE BUCKET 18. TRACKS
3. UNDERCARRIAGE 11. BACKHOE BUCKET CYLINDER 19. HYDRAULIC RESERVOIR
4. STEPS 12. ENGINE COMPARTMENT 20. FUEL TANK
5. ACCESS HANDLES 13. COUNTERWEIGHT 21. DOZER BLADE (IF EQUIPPED)
6. BOOM 14. UPPER ROLLERS 22. DOZER BLADE CYLINDERS (IF EQUIPPED)
7. BOOM CYLINDERS 15. LOWER ROLLERS
8. ARM 16. TRAVEL REDUCTION GEARS
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1
12
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11
2
9
13
16
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15
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1920
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