2. Press in the shock absorber against its damping force.
Have the shock absorber replaced by a specialist workshop if:
■ there is little resistance to pushing in,
■ air has entered the device,
■ there is little resistance to pulling out,
■ oil leaks out.
10.8.2.3 Ball coupling maintenance
Fig. 77 Ball coupling (EC version)
1
Lubricating points
2
Lubricating points
Fig. 78 Ball coupling (USA version)
1
Lubricating points
2
Lubricating points
1. Check the ball coupling for correct function and movement.
2. Clean the ball coupling. Grease or oil the ball cup, joints and bearings.
10.8.3 Brake system maintenance
The brake adjusting procedure ensures even wear on the brake linings by adjusting the brake shoes.
10 Maintenance
10.8 Chassis
142
Service Manual Screw Compressor
M170 SIGMA CONTROL MOBIL
No.: 9_9425 01 E
Option sa, sd
Option sh
