PREVENTIVE MAINTENANCE CHECKS AND SERVICES,
INCLUDING LUBRICATION INSTRUCTIONS - Continued
Semiannual PMCS Procedures for Trailer (Field Level) - Continued
Table 10. Preventive Maintenance Checks and Services (PMCS) - Semiannual (Field Level) -
ITEM TO BE FIELD-LEVEL MAINTENANCE
CHECKED OR PROCEDURE
Brake shoes may be covered with
dust. Breathing the dust may be
harmful to your health. Do not use
compressed air to clean brake
shoes. Wear a filter mask approved
for use against brake dust. Failure
to comply may result in injury to
Wear appropriate eye protection
when working under trailer due to
the possibility of falling debris.
Failure to comply may result in
injury to personnel.
1. Check security of mounting hardware.
2. Check for air leaks around brake hose
3. Inspect brake air chambers for
obvious cracks and corrosion.
Brake drums can become very hot
during trailer operations. Do not
touch drum. Failure to comply may
result in injury to personnel.