INTRODUCTION
Torque - Special torque settings
Component
Bolt size
Tightening torque
Engine mounting bolt
(engine bracket)
M10 × 1.5
58.0 – 77.6 N·m
(
42.8 – 57.2 lb ft
)
Engine mounting bolt
(bracket frame)
M16 × 2.0
220.9 – 269.9 N·m
(
162.9 – 199.1 lb ft
)
Radiator mounting bolt and nut
M12 × 1.75
96.1 – 155.0 N·m
(
70.9 – 114.3 lb ft
)
Coupling mounting socket bolt
M14 × 2.0
127.2 – 146.7 N·m
(
93.8 – 108.2 lb ft
)
Engine
Coupling mounting clamp bolt
M16 × 2.0
98.2 – 117.7 N·m
(
72.4 – 86.8 lb ft
)
Main pump mounting bolt
M10 × 1.5
107.9 – 127.4 N·m
(
79.6 – 94.0 lb ft
)
Main control valve mounting bolt
M8 × 1.25
26.6 – 40.1 N·m
(
19.6 – 29.6 lb ft
)
Fuel tank mounting bolt
M16 × 2.0
246.8 – 336.2 N·m
(
182.0 – 248.0 lb ft
)
Hydraulic oil tank mounting bolt
M16 × 2.0
246.8 – 336.2 N·m
(
182.0 – 248.0 lb ft
)
Hydraulic
system
Hydraulic swivel mounting bolt and
nut
M12 × 1.75
107.9 – 133.4 N·m
(
79.6 – 98.4 lb ft
)
Swing motor mounting bolt
M16 × 2.0
246.8 – 336.2 N·m
(
182.0 – 248.0 lb ft
)
Swing bearing upper mounting bolt
M16 × 2.0
262.1 – 320.9 N·m
(
193.3 – 236.7 lb ft
)
Swing bearing lower mounting bolt
M16 × 2.0
262.1 – 320.9 N·m
(
193.3 – 236.7 lb ft
)
Power train
system
Travel motor mounting bolt
M14 × 2.0
164.1 – 221.0 N·m
(
121.0 – 163.0 lb ft
)
Sprocket mounting bolt
M14 × 2.0
164.1 – 221.0 N·m
(
121.0 – 163.0 lb ft
)
Track roller support mounting bolt
and nut
M16 × 2.0
258.8 – 321.5 N·m
(
190.9 – 237.1 lb ft
)
Track roller mounting bolt
M18 × 2.0
353.9 – 451.5 N·m
(
261.0 – 333.0 lb ft
)
Idler wheel to recoil spring
assembly mounting bolt
M12 × 1.75
95.3 – 154.2 N·m
(
70.3 – 113.7 lb ft
)
Track shoe mounting bolt and nut
1/2-20UNF
171.5 – 210.8 N·m
(
126.5 – 155.5 lb ft
)
Under carriage
Track guard mounting bolt
M16 × 2.0
261.7 – 318.6 N·m
(
193.0 – 235.0 lb ft
)
Counterweight mounting bolt
M24 × 3.0
833.8 – 1126.7 N·m
(
615.0 – 831.0 lb ft
)
Cab mounting bolt and nut
M12 × 1.75
106.8 – 132.3 N·m
(
78.8 – 97.6 lb ft
)
Cab anchor bolt
M12 × 1.75
96.1 – 155.0 N·m
(
70.9 – 114.3 lb ft
)
Others
Operator's seat mounting bolt
M8 × 1.25
6.6 – 16.4 N·m
(
4.9 – 12.1 lb ft
)
51452136 23/07/2018
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