Motrec T-448HD, Руководство оператора и по техническому обслуживанию

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Maintenance
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HYDRAULIC BRAKES
DRUM BRAKES
Remove brake drums and check linings wear; the linings should have a thickness exceeding 1/16" (1.5
mm). Turn the brake adjustment to reduce the clearance between lining and drum but avoid contact or
drag when the wheels are turned and the pedal is released.
DISC BRAKES
Check pad linings for excessive wear; the linings should have a thickness exceeding 1/16" (1.5 mm).
Disc brakes are self-adjusting.
BRAKE PEDAL
If the brake pedal becomes soft or spongy, air may have entered the hydraulic system and the brake
system has to be bled:
1. fill the master cylinder with brake fluid (DOT-3);
2. bleed front callipers one at a time by having someone applying a steady pressure on the brake
pedal, and close the bleeder before allowing the brake pedal to return to up position;
3. fill the master cylinder with brake fluid (DOT-3);
4. bleed rear wheel brakes one at a time, following the same procedure;
5. fill the master cylinder with brake fluid (DOT-3);
6. clean every fitting and line, remove traces of oil;
7. apply a continuous pressure on the brake pedal for about five minutes ;
8. Finally, inspect brake lines and fittings for leaks ;