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DongFeng DFH4180 Series - Page 233

DongFeng DFH4180 Series
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Service & Adjustment Data
D760.H03E-001.H1907 223
Tightening torque of critical parts of driveline
Tightening torque of critical parts of frame
Fastening bolts of brace and engine
M12(Grade 8.8) 65-75 --
M12(Grade 10.9) 90-110 --
M10(Grade 8.8) 38-50 --
Fastening bolts of brace and air spoiler
M10(Grade 10.9) 45-55 --
M08(Grade 8.8) 20-26 --
M08(Grade 10.9) 25-30 --
M10(Grade 8.8) 38-50 --
M10(Grade 10.9) 45-55 --
Bolted position
Thread
specification
Reference
tightening
torque(N·m)
Remarks
The tightening method shall
refer to Specifications for
Installation and Adjustment of
Φ430 Pull-type Clutch Assem-
bly and Control System.
M10 (grade 8.8)
non-flange bolt
40-60 Connecting stud bolts of
clutch pressure plate &
cap assembly and engine
flywheel
M10 (grade 10.9)
non-flange bolt
55-75
Connecting bolts of clutch
housing and flywheel housing
M10 (grade 8.8)
non-flange bolt
40-60
Pre-tighten them cross-
wise and then tighten them
with torque spanner.
M10 (grade 10.9)
non-flange bolt
55-75
M10 (grade 10.9)
flange bolt
55-75
Connecting bolts of drive shaft
(including connection with
transmission and axle)
M14 190±15%
Pre-tighten them cross-
wise and then tighten them
with torque spanner (after
road test, tightening torque
shall not drop by more
than 10%; otherwise, re-
tighten them to the speci-
fied torques)
D760 First cross member
M12 90-130
M14 150-210
M16 210-280

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