Special fixtures:
1 - a device for compressing the spring 4137-T M90;
2a - fixed cup 4137-T M2R;
2b - movable cup 4137-T M2C.
Note. Check the presence and condition of the protective rubber caps on the fixed and movable cups of the spring compressor.
Remove shock absorber assembly (see corresponding operation).
Removing
Note. Do not allow the suspension spring to come into direct contact with any metal object or fixture.
Install the shock absorber strut with spring compressors 1 and 2 in a vise using a tool «Facom».
Compress the spring with tools.
Loosen the nut (1) and remove:
- shock absorber support (2);
- support cup (3);
- cup (4).
Release the spring (7) with tools 1 and 2.
Remove:
- suspension spring (7);
- shock absorber protection (5);
- elastic stop (6);
- shock absorber (8).
Installation
Note. Check the condition of the suspension spring (no signs of impact, cracks or corrosion). The paint covering the spring must not be damaged until bare metal is exposed.
Check the condition of the thrust bearing.
Replace thrust ball bearing and shock mount (if necessary).
Install the parts in reverse order.
Attention. Be sure to replace the nut (1).
Decompress the spring using tools 1 and 2.
Note. Check the normal setting of the spring on the cup.
Install shock absorber (see corresponding operation).