Maintaining the parking brake (hand brake lever)
1. Lightly lubricate the pins and adjustment joints.
2. Check free rotation of the parking brake lever.
Maintaining the jockey wheel:
1. Check the jockey wheel for condition, correct function, and movement.
Are individual parts twisted or damaged? Have the jockey wheel replaced.
2. Grease the interior tube of the paid-out jockey wheel.
3. Grease the spindle bearing area (grease nipple).
10.10.2.2 Option rb/rm/rs, rc/ro/rs
Overrun device maintenance
Greasing the overrun device
➤ Pump fresh grease into the nipple until old grease is squeezed out.
Further information See pages 75 and 76 for grease points.
Checking the shock absorber:
1. Loosen the transfer cable one side.
2. Press in the shock absorber against its damping force.
Have the shock absorber replaced by a specialized workshop if:
■ There is little resistance to pushing in,
■ Air has entered the device,
■ There is little resistance to pulling out the shock absorber,
■ Oil leaks out.
10.10.2.3 Option rb/rm/rs, rc/ro/rs, rd/ro/rs
Ball coupling maintenance
Fig. 78 Ball coupling
1
Lubricating points
2
Greasing points
10 Maintenance
10.10 Chassis maintenance
166
Operator Manual Screw Compressor
M250 SIGMA CONTROL MOBIL
No.: 9_9570 07 USE
Option rb/rm/rs, rc/ro/rs
Option rb/rm/rs, rc/ro/rs,
rd/ro/rs; rb/rm/rr, rb/rm/rt,
rc/ro/rt, rc/ro/rr
Option rb/rm/rs, rc/ro/rs,
rd/ro/rs