Fig. 80 Brake system adjustment
1
Wheel brakes
A
Brake system adjustment
2
Screwdriver as adjusting tool
3
Adjusting wheel
B
Brake rod adjustment
4
Equaliser
5
Brake rod tensioning nut
6
Brake rod
7
Cable tensioning nut
8
Brake cable (Bowden)
1. Remove the plug from the adjusting hole.
2. Use a screwdriver to turn the adjusting wheel
3
until the wheels no longer turn in the forward
direction.
3. Apply the parking brake a number of times to centralize the brake linings.
4. Use the screwdriver to turn the adjusting wheel back (3 to 5 notches) until there is no more braking
resistance to the wheels turning forward.
5. Pull on the parking brake.
6. Check the position of the equaliser
4
on the brake rod
6
.
If the equaliser is perpendicular to the brake rod, the brake clearance is the same on each wheel.
If the equaliser is oblique to the brake rod, adjust the brake rod.
7. Pull the parking brake lightly on and compare the braking force on the wheels.
If the braking force on the wheels is not equal, re-adjust brake system.
8. Replace the plug in the adjustment hole.
A light rubbing sound when the wheels turn is permissible if it does not affect free turning.
Brake rod adjustment:
1. To loosen the braking rod
6
undo the nut
4
on the equaliser
5
.
2. Grease the brake rod threads.
3. Adjust the rod so there is no play or tension.
The equaliser is perpendicular to the brake rod.
4. Tighten the nut.
5. Tighten all counter nuts.
➤ Test by applying the brake a number of times.
10 Maintenance
10.8 Chassis
144
Service Manual Screw Compressor
M170 SIGMA CONTROL MOBIL
No.: 9_9425 01 E