Brake Cable Adjustment - Atlas Copco XA146 Dd Instruction Manual

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 6
1. Check if the towing eye rod of the overrun brake mechanism is
in the outmost position.
2. Check if the adjustable towbar (= option) is in the actual towing
position.
3. Apply the hand brake lever.
4. Push the compressor a few centimeters backwards so that the
brake lever is automatically pulled further up.
5. Check the position of the arrow marking "1" at the catch lock in
combination with the arrow marking "2" at the toothed sector,
according to Fig. 5.6 A,B,C,D.
1
2
A. Adjusted correctly
B. Acceptable
C. Too loose;
adjust brake cables
(Section 1.6.3)
D. Too tight;
adjust brake cables
(Section 1.6.3)
Fig. 5.6 Correct and wrong position of markings
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1
1 2 3
Fig. 5.7 Brake cable arrangement
1 Brake cable
2 Lock nut
3 Adjusting nut
4 Brake cable nut
5 Main brake cable
6 Equalizer
1. With the towing eye pulled out in the outmost position and the
hand brake lever in the downward position (Fig. 5.8), loosen the
lock nuts (Fig. 5.7, 2). Turn adjusting nuts and brake cable nuts
(Fig. 5.7, 4) clockwise until there is no slack in the brake
mechanism.
The equalizer (Fig. 5.7, 6) must remain perpendicular to main
brake cable (Fig. 5.7, 5).
2. Apply the hand brake lever several times and repeat the
adjustment. Tighten the nuts with their lock nuts (Fig. 5.7, 2).
Remove the jack and the blocks.
3. Road test the compressor and brake several times. Check brake
shoe and brake cable adjustment and if necessary adjust.
Fig. 5.8 Hand brake lever downward - brake not operated
6 4 2
4 2 5