Table 4-1. Unit Maintenance Preventive Maintenance Checks and Services - CONT.
Item to Be
Check all brake linings (1) for wear and signs
Brake lining thickness is
of overheating. If brake lining thickness is 1/4
less than 1/4 in. (6 mm)
in. (6 mm) or less at any point on the lining,
at any point.
repair brakes as necessary.
Check all brake air line hoses (1) for tightness
Hoses are frayed or
and frayed or cracked hoses. Replace hoses as
Air lines and
Charge air system (Para 2-22). Listen for air
Air leaks are present.
leaks. Tighten loose connections.