Service & Adjustment Data
224
D760.H03E-001.H1907
Tightening torque of critical parts of suspension system
Tightening torque of critical parts of whee
l
Tightening torque of critical parts of steering system
Bolted position
Control
position
Thread
specification
Reference
tightening
torque(N·m)
Remarks
Front suspen-
sion and single
rear axle sus-
pension
Subassembly
of front &
rear leaf spring
and axle - U-
bolt assembly
M18 280-350 1.Adopt coarse thread, U-bolt
of grade 10.9 + flange nut of
grade 10;
2.Thread specifications: M18/
M20 for front suspension, and
M20/ M22 / M24 for single
rear axle suspension
3.The tightening torque of
M24 is different for single rear
axle suspension and bal-
anced suspension
M20 380-460
M22 400-480
M24 450-540
Balanced
suspension
M24 600-720
M27 860-1000
Connection of
balance shaft
support and
vehicle frame -
fastening bolt
assembly
Balanced
suspension
M16X1.5 210-280
Adopt fine thread, bolt of
grade 10.9 + nut of grade 10
M18X1.5 350-470
M20X1.5 430-550
Bolted position Thread specification
Reference tightening
torque(N·m)
Remarks
Wheel bolts
31F58-* 550-650
Central hole locating
3103057-KD400 550-650
31N-* 420-490
Spherical surface locating
31C-*, 31Q02-* 320-420
Bolted position Thread specification
Reference tightening torque(N·m)
Steering gear and its bracket
M16 210-280
M18 320-420
Follower bracket and follower
fixing bolt
M20 380-500
M22 440-560
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