DongFeng DFH4180 Series, User Manual

Page: 236 / 251

Service & Adjustment Data
226
D760.H03E-001.H1907
Tightening torque of critical parts of cab
Tightening torque of other parts of chassis (applicable to D760 models)
Bolted position
Thread
specification
Reference tightening torque(N·m)
Steering wheel M20 130-150
D760 vehicle body mounting
connecting parts
M18 320-430
M16 230-290 (assembly of cab rear mounting)
M16
220-80(fixing bolts for left/right tilting bracket of
rear mounting cross member, shock absorber
lower bracket, shock absorber bellow upper pin,
shock absorber bellow lower pin)
M14 140-180
M12 110-130
M10 47-63
Positive and negative power
cable of starter
M12 24.5-27.5
Tightening position
Tightening
Torque (N.m)
Connecting bolts of steering gear and steering knuckle fork 30-50
Connecting stud bolts of steering upper arm and steering knuckle 280-350
Fastening nut of steering lower arm 350-450
Lock nut of steering stop bolt 80-100
Connecting nuts of steering knuckle arm and ball pin 250-310
Locking nut of steering kingpin thrust pin 24-40
Connecting nut of lower arm and ball pin 245-340
Clamp nut of tie rod 38-42
Locking bolts and nuts of steering drop arm and rocker shaft, M45 350-450
Kingpin upper cap fixing nuts 40-59
Lock nuts of ball pin for drag link, M24 250-310
Upper/lower fixing bolts of steering gear bracket and frame, M20 420-450
Lower fixing bolts of steering gear bracket and frame M22 490-520
Steering wheel lock nuts 130-150
Lock bolts of front and rear shoe shafts 72-87
Fixing nuts of front air chamber 39-59
Fixing nuts of rear air chamber 170-190