Dongfeng DFA1101GZ5AD6J-907. Manual — part 48

Rear Axle

RA-8

Tightening Torque of Important Bolts and Nuts

Main Adjusting Data and Maintaining Standard

Main adjusting data

Maintaining Standard

Part

Tighten Torque (N.m)

Oil drain screw plug

130 ~ 150

Big nut of the drive gear

350 ~ 500

Rear brake bottom plate bolt

156 ~ 206

Air chamber bracket fixed bolt

55 ~ 70

Air chamber fixed bolt

50 ~ 75

Bearing seat bolt

50 ~ 70

Driven gear bolt

140 ~ 160

Differential housing bolt

140 ~ 160

Half axle nut

70 ~ 95

Rear adjusting nut

150 ~ 180

Reductor housing and axle housing connecting bolt

140 ~ 170

Axle housing rear cover and axle housing connecting bolt

90 ~ 120

Adjusting Item

Adjusting Data

Tooth space

0.2~0.4mm

Clearance between rear fiction plate and brake drum

0.4~0.7mm

Item

Maintaining Standard

Wear Limit

Remark

Feedhole of the rear axle leaf
spring worn

Φ

27mm

Φ

28mm

Radial runout of left and right half
axle sleeve outer bearing journal

0.03mm

0.1mm

Radial runout of the middle part
rough surface of half axle

1mm

1.5mm

Repair limit: 1.5mm

Face runout of the wheel hub and
half axle flange connecting face

0.1mm

0.15mm

Suspension System

FA

Table of Contents

Trouble Analysis. . . . . . . . . . . . . . . . . . . . . . . . FA-1
Structure. . . . . . . . . . . . . . . . . . . . . . . . . . .. FA-2
Disassembly. . . . . . . . . . . . . . . . . . . . . . . . . FA-4
Check . . . . . . . . . . . . . . . . . . . . . . . . . . . .. FA-7
Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . FA-8

Suspension

SP-1

Suspension

Trouble Analysis

Trouble

Cause

Repair

Bumpy ride

Spring leaf damaged
Overload

Replace the spring leaf
Load as required

Vehicle rocked severely

Damper failed

Replace the damper

Spring leaf center bolt is broken U-bolt and nut loosed

Replace center bolt

Spring leaf is broken at the
center hole

U-bolt and nut loosed

Replace spring leaf

Suspension

SP-2

Structure

Front leaf spring

1.Front spring leaf assy
2.Inclined underplate with set sleeve assy
3.Center bolt
4.Bush
5.Fixed end bracket
6.Spring pin set bolt
7.Spring leaf pin--front suspension

8.U-bolt
9.U-bolt
10.Cover board--front suspension
11.Limit block--front suspension
12.Lifting eye bracket
13.Front lifting eye
14.Lifting eye oin set