ar3220b0201b

Disassemble/assemble front spring

Type ar · topic 32.20 · version 0300 · 2016-02-12

Applies to: Vehicle 688 with Cumbustion engine 904.908, 904.924, 904.957, 374.990, 374.994, 304.900, 374.950, 374.989, 374.991, 374.996, 374.977, 374.979, 374.980, 374.984, 374.907

Where it sits

Function group 2 Chassis › 32 Suspension › 32.20 Steel springs, torsion bars, Niveaumat — Series 374 (models 907, 950, 977, 979, 980, 984, 989, 990, 991, 994, 996) · Series 688 · Series 904 (models 908, 924, 957)

EinPAS 20 Chassis › 20.16 Suspension › 20.16.30 Spring/air suspension bellows/shock absorber/suspension strut — Series 374 (models 907, 950, 977, 979, 980, 984, 989, 990, 991, 994, 996) · Series 688 · Series 904 (models 908, 924, 957)

AR32.20-B-0201B

Disassemble/assemble front spring

12.02.16

Vehicle 688 with Cumbustion engine 904.908, 904.924, 904.957, 374.990, 374.994, 304.900, 374.950, 374.989, 374.991, 374.996, 374.977, 374.979, 374.980, 374.984, 374.907

Disassemble/assemble front spring

B32.20-0031-09

1 Blade 1

2 Blade 2

3 Blade 3

4 Blade 4

5 Blade 5

6 Type of wedge - caster

7 Metal separators

8 Master screw (stem screw)

9 Self-locking nut

10 Clamp

10.1 Clamp (open)

11 Spacer pipe

12 Screw

13 Self-locking nut

14 Elastic front eye bolt bush

15 Elastic rear eye bolt bush

16 Internal metal bush of rear eye bolt

Disassemble/assemble front spring

B32.20-0024-08

1 Blade 1

2 Blade 2

3 Blade 3

4 Blade 4

5 Blade 5

6 Type of wedge - caster

7 Metal separators

8 Master screw (stem screw)

9 Self-locking nut

10 Clamp

10.1 Clamp (open)

11 Spacer pipe

12 Clamp screw

13 Self-locking nut

Remove

1

Remove the front spring of vehicle

Before removing the spring, be careful to the position at the type of wedge (6), it must be assembled in the same position, because it focuses on the caster angle of direction.

AR32.20-B-0200D

Always repair the leaf springs in pairs.

2

Fix the spring in a vise and remove the clamp nut (13), screw (12), and spacer tube (11)

3

Remove the nut (9) and master screw (stem screw) (8)

Insert a long metal rod in place of master screw to facilitate the blades removal.

4

Remove blades and their spacers

Check

5

Check the blades about their physical condition

Replace:

- Worn, cracked, kneaded, or deformed blades;

- Check the wedge condition (6), if it has been replaced, it must replaced the same way;

- Adapters (eye bolts) bushes (14, 15).

6

Clean all blades

The blades must not be washed with steam, water or cleaning products, if necessary, use a little brush to the dry cleaning. Oxidation must be removed before assembling it.

Assembly

7

Lubricate the blades and spacers on their surface and assemble on the top of each other by forming a beam

Use a rod as a guide with same master screw diameter, so that it can be fixed in a vise to assembly the upright beam in working position.

*BR00.45-B-1010-06A

8

Replace the bushes of the springs and shackles

Before assembling the blade (1), replace the same bushes (14, 15) on the adapters (eye bolts) and metal bush (16) as well

AR32.20-B-0210B

9

Install the spacer tube clamp (11), screw (12), and a new self-locking nut (13)

10

Remove the stem and put a new master screw (8) with the new self-locking nut (9)

Be careful not to knead the cylindrical part of the master screw that fits in the front axle.

11

Tighten the self-locking nut (9) to the specified torque

If necessary, hold the master screw (8) for tightening the nut (9). Use two copper or aluminum mordants.

*BA32.20-B-1003-01A

12

Clean excess grease on the blades

If spring remains in stock, put an adhesive tape or appropriate protective cap on the cylindrical part of master screw. Also close holes on the adapters (loops).

13

Install the front springs

AR32.20-B-0200D

Front axle steel springs

Número

Denominação

Chassis 688

BA32.20-B-1003-01A

Master screw of the spring (spike)

M10x1.5

Nm

71

M12x1.5

Nm

-

M14x1.5

Nm

-

M16x1.5

Nm

-

Produtos para reparos

Número

Denominação

Número de pedido

BR00.45-B-1010-06A

Grease as per DBL 6820.20

-

Referenced documents