The following points must be observed:
■
Carry out the adjustment procedure on all wheel brakes, one after the other.
■ During adjustment, turn the wheel in the 'forward' direction only.
Material Screwdriver
Wrench
Torch
Cleaning cloth
Lithium-enriched multi-purpose grease
Precondition The machine is switched off.
1. Jack up the machine and lower it onto supports.
2. Release the parking brake and completely pull out the overrun braking mechanism.
The brake cables are not tensioned.
10.7.3.1 Checking the brake system settings
1. Pull up the parking brake to first notch.
2. Turn the wheels in the forward direction.
3. Check that there is the same braking resistance on both wheels.
Adjust the braking system if the resistance is not the same.
4. Release the parking brake.
10.7.3.2 Checking wheel brake lining wear
Fig. 68 Checking the brake lining thickness
1 Inspection hole
2 Brake linings
1. Remove the plug from the inspection hole.
2.
With the aid of a torch, check the brake lining thickness.
Brake linings of less than 2 mm thickness should be replaced by a specialist workshop.
3. Replace the plug in the inspection hole.
10.7.3.3 Brake system adjustment
There is an arrow pressed into the brake back plate near the adjustment hole.
■ Turning in the direction of the arrow increases brake force.
■ Turning in the opposite direction to the arrow releases brake force.
10 Maintenance
10.7 Chassis maintenance
No.: 9_6974 20 E
Service manual Portable compressor
M122
131
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