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Maintaining the parking brake
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).
10.8.2.2 Option rb/rm/rs, rc/ro/rs, rd/ro/rs
Overrun braking mechanism maintenance
Greasing the overrun braking mechanism:
➤ Pump fresh grease into the nipple until fresh grease is squeezed out.
Further information For the lubricating points of the height-adjustable tow mechanism (Option rb/rm/rs) see illustra‐
tion 68.
Lubricating points of a tow mechanism non-adjustable in height (Option rc/ro/rs) see illustration 69.
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 specialist 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.
10.8.2.3 Ball coupling maintenance
Fig. 70 Ball coupling ( EC version)
1
Lubricating points
2
Greasing points
10 Maintenance
10.8 Chassis maintenance
No.: 901765 05 USE
Operator Manual Screw Compressor
M114 SIGMA CONTROL SMART
147
Option rb/rm/rs, rc/ro/rs
Option rb/rm/rs, rc/ro/rs,
rd/ro/rs
Option rb/rm/rs, rc/ro/rs