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
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
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. | |
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. | |
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 | |
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. | |
| |||
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 |
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
- ar3220b0200d Remove/install front spring
- ar3220b0210b Removing, installing front spring bushes