6 - MAINTENANCE
Torque specifications for hardware
Service specifications
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.
Torque specifications per component
Screw
Wrench
Torque setting
Component
(Ø)
mm
in
Nm
lb ft
Travel reduction gear (*)
M24
36
1.4
900-1051
664-775
Drive sprocket (*)
M20
30
1.2
521-608
384-448
Idler wheel (*)
M16
24
0.9
267-312
197-230
Upper roller (*)
M20
30
1.2
521-608
384-448
Lower roller (*)
M20
30
1.2
521-608
384-448
Chain guide (*)
M20
30
1.2
521-608
384-448
Track pad
M20
27
1.06
813-911
599-672
Counterweight
M33
50
2
1548-1764
1142-1301
Turntable (undercarriage)
M24
36
1.4
784-914
578-674
Turntable (upperstructure)
M24
36
1.4
784-914
578-674
Swing reduction gear (*)
M24
36
1.4
784-914
578-674
Engine
M20
30
1.2
289-337
213-248
M10
17
0.7
64-74
47-54
Engine mounts (*)
M12
19
0.7
109-127
80-94
Radiator
M16
24
0.9
147-177
108-130
M10
17
0.7
64-73
47-54
Hydraulic pump (*)
M20
hexagonal
hexagonal
367-496
270-366
Hydraulic reservoir (*)
M16
24
0.9
232-276
171-203
Fuel tank (*)
M16
24
0.9
232-276
171-203
Control valve
M16
24
0.9
267-312
197-230
M12
19
0.7
107-188
79-138
Hydraulic swivel (*)
M16
24
0.9
267-312
197-230
Cab
M16
24
0.9
149-173
109-127
Batteries
M10
17
0.7
16-20
12-15
NOTE:
Use Loctite 262, or the equivalent, on screws marked (*).
6-73
Summary of Contents for CX300C
Page 6: ......
Page 18: ...1 GENERAL INFORMATION 1 12...
Page 28: ...2 SAFETY INFORMATION QNTTT2 011B_TU 3 2 10...
Page 50: ...2 SAFETY INFORMATION 2 32...
Page 130: ...3 CONTROLS INSTRUMENTS 3 80...
Page 157: ...4 OPERATING INSTRUCTIONS 4 Operate the arm control to unhook the tool KKZVLU 024A 14 4 27...
Page 172: ...4 OPERATING INSTRUCTIONS 4 42...
Page 182: ...5 TRANSPORT OPERATIONS 5 10...
Page 272: ...6 MAINTENANCE 6 90...
Page 280: ...8 SPECIFICATIONS Working range 4M8ORU 002A 2 See next page for the values 8 6...
Page 282: ...8 SPECIFICATIONS 8 8...