Be sure wheels are chocked before removing parking brake assembly.
Springs are under tension. Always wear protective glasses when working on springs under tension. Use care when removing
springs from brake pads. Failure to follow these precautions could result in personal injury.
At operating temperatures, hydraulic oil is hot and under pressure. Hot oil is hot and under pressure. Hot oil can cause injuries.
Allow hydraulic oil to cool before disconnecting any hydraulic lines.
Wipe the area clean around all hydraulic connections to be opened during removal and disassembly. Cap oil lines and plug holes
after removing lines.
Contamination of the hydraulic system could result in premature failure.
Washing oil seals, electrical cables and flexible hoses with dry cleaning solvents or mineral spirits will cause serious damage or
(1) Bleed one or more brake calipers to
determine if there is air in brake lines
(a) If hydraulic brake oil is clear and
bubble free, go to Step 2 of this
(b) If hydraulic brake oil is cloudy or
contains bubbles, continue to
bleed lines until air is removed
from lines (Para 12-5). Go to
Step (2) below.
(2) Test service brakes. If fault is not
corrected, go to Step 2 of this fault.