INTRODUCTION
Torque - Special torque settings
Component
Bolt size
Tightening torque
Engine
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
)
Cooling fan mounting bolt
M8 × 1.25
15.7 – 19.5 N·m
(
11.6 – 14.4 lb ft
)
Radiator mounting bolt and nut
M10 × 1.5
54.2 – 81.3 N·m
(
40.0 – 60.0 lb ft
)
Coupling mounting bolt
M14 × 2.0
127.2 – 146.7 N·m
(
93.8 – 108.2 lb ft
)
Main pump mounting bolt
M12 × 1.75
94.9 – 154.6 N·m
(
70.0 – 114.0 lb ft
)
Main control valve mounting bolt
M8 × 1.25
19.5 – 29.3 N·m
(
14.4 – 21.6 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
94.9 – 154.6 N·m
(
70.0 – 114.0 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
246.8 – 336.2 N·m
(
182.0 – 248.0 lb ft
)
Swing bearing lower mounting bolt
M16 × 2.0
246.8 – 336.2 N·m
(
182.0 – 248.0 lb ft
)
Power train
system
Travel motor mounting bolt
M14 × 2.0
176.9 – 216.3 N·m
(
130.5 – 159.5 lb ft
)
Sprocket mounting bolt
M14 × 2.0
172.9 – 212.2 N·m
(
127.5 – 156.5 lb ft
)
Track roller support mounting bolt
and nut
M18 × 2.0
366.2 – 444.6 N·m
(
270.1 – 327.9 lb ft
)
Track roller mounting bolt
M18 × 2.0
366.2 – 444.6 N·m
(
270.1 – 327.9 lb ft
)
Idler wheel to recoil spring
assembly mounting bolt
M12 × 1.75
94.9 – 154.6 N·m
(
70.0 – 114.0 lb ft
)
Track shoe mounting bolt, 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
259.0 – 321.3 N·m
(
191.0 – 237.0 lb ft
)
Counterweight mounting bolt
M20 × 2.5
504 – 629.5 N·m
(
371.7 – 464.3 lb ft
)
Cab mounting bolt and nut
M12 × 1.75
94.9 – 154.6 N·m
(
70.0 – 114.0 lb ft
)
Cab anchor bolt
M16 × 2.0
247.4 – 335.6 N·m
(
182.5 – 247.5 lb ft
)
Others
Operator's seat mounting bolt
M8 × 1.25
10.6 – 12.5 N·m
(
7.8 – 9.2 lb ft
)
51452080 20/06/2018
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