Dongfeng DFA1063DJ10 (14)-301/303. Manual - part 22

Suspension

SP-9

7.Assemble the U-bolt;

8.Lift the front axle by the jack, and then take down the

support of the frame then own the jack;

9.Tighten the U-bolts and nuts;

Tightening torque               200~250N·m

10.Install the damper to the bracket, then the plain washer,

spring washer and nut, then tighten them;

Tightening torque               140~170N·m

11.Add grease to the leaf spring pin and lifting eye pin as

required;

Assembly of the rear suspension

1.Smear a layer of grease on the spring bush and lifting eye

bush, and install the lifting eye to its bracket, then insert
lifting eye pin, then the cotter pin and tighten its lock
nut;

Tightening torque               90~110N·m
Note:When inserting the cotter pin, make the inclined

face contact to the face of lifting eye pin.

2.Set the rear spring to the rear axle, and lift the rear axle

by the jack;

3.Align the fixed end bracket hole to the spring eye, insert

the spring pin, then the cotter pin and tighten the nut;

Tightening torque               32~42N·m
Note:When inserting the cotter pin, make the inclined

face contact to the face of lifting eye pin.

Suspension

SP-10

4.Install the rear end of the spring, align the lifting eye hole

to t spring eye, insert the spring pin, then install the lock
nut;

Tightening torque               32~42N·m
Note:When inserting the cotter pin, make the inclined

face contact to the face of lifting eye pin.

5.Install the underplate, sub-spring and cover board to the

upper of the rear spring, then install the U-bolt;

6.Lift the rear end of the vehicle by a jack, take down the

support under the frame then down the jack;

7.Install the U-bolt underplate and damper lower bracket;

8.Install the U-bolts and nuts and tighten;

Tightening torque:  300~350N·m

9.Add grease to the leaf spring pin and lifting eye pin;

10.Install the rear damper by referring to the assembling method of the front damper.

Brake System

BR

Table of Contents

Technical Parameter........................................................................................BR-1
Tightening Torque...........................................................................................BR-1
Trouble Analysis of Wheel Brake ..................................................................BR-2
Structure..........................................................................................................BR-4
Front Brake .....................................................................................................BR-6
Rear Brake ......................................................................................................BR-8
Frame Brake Pipeline .....................................................................................BR-9
Cab Brake Pipeline ...................................................................................... BR-

10

Hand Control Valve Control System............................................................BR-11

Brake System

BR-1

Brake System

Technical Parameter

 

Tightening Torque

Structure type

Air-pressure, with shoe, drum type

Brake type

S type cam roller type

Brake bottom plate

Front

Pressing bottom plate

Rear

Foundry bottom plate

Brake specification

Front

Φ

310 × 120mm

Rear

Φ

310 × 150mm

Brake cam type

Front

Rectangle cam

Rear

S type cam (involute)

Item

Tightening Torque

Fasten bolt of the front brake air chamber and its bracket

55~70

Fasten bolt and nut of the front air chamber and brake bottom plate

55~70

Fasten bolt of front brake bottom plate and steering knuckle

160~220

Lock nut of front brake anchor pin with conical sleeve

128~167

Fasten bolt of the rear brake air chamber and its bracket

55~70

Fasten bolt and nut of the rear air chamber and brake bottom plate

80~110

Flange bolt of rear brake bottom plate and two end of rear axle housing

130~160

Fasten nut of brake air chamber clamp

15~20