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MAINTENANCE SPECIFICATION
Check ................................................................................................................................................Every 250 hours
(after the first 50 hours during the run-in period)
At the end of each working day, check all mounting nuts and screws for tightness and tighten if necessary. Make
sure no hardware items are missing. Replace them, if necessary.
Component
Travel reduction gear (*)
Drive sprocket (*)
Idler wheel (*)
Upper roller (*)
Lower roller (*)
Track shoe
Counterweight
Turntable (undercarriage)
Turntable (upperstructure)
Swing reduction gear (*)
Engine (*)
Engine mounts (*)
Radiator
Hydraulic pump (*)
Hydraulic reservoir (*)
Fuel tank (*)
Control valve (*)
Hydraulic swivel (*)
Cab
Batteries
NOTE: Use Loctite 262, or the equivalent, on screws marked (*).
6-18
CHAPTER 6 - MAINTENANCE AND ADJUSTMENTS
HARDWARE TORQUE INSPECTION
(CX75SR, CX80)
Screw
Wrench
(Ø)
(mm)
M16
24
M14
22
M10
17
M16
24
M20
30
M16
24
M14
22
M24
36
M16
24
M16
24
M16
24
M10
17
M10
17
M10
17
M12
Male
M12
19
M10
17
M12
19
M10
17
M16
24
M10
17
Issued 8-04 Bur
Torque setting
(Nm)
267-312
173-202
62-73
267-312
521-608
220-270
220-270
850-992
252-283
273-317
265-313
64-74
64-74
63-73
109-126
69-78
36-44
53-64
63-73
78-80
20-29
6-34551NA
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