Table 2-1. Operator Preventive Maintenance Checks and Services (PMCS) (Con't).
ITEM TO BE INSPECTED
PROCEDURE: Check for and have Repaired, Filled, or
Adjusted as required.
ROADSIDE OF SEMITRAILER (Con't)
c. Check side clearance and marker light and
reflector for cleanliness and cracks (see
light or reflector lens. If cracked or damaged,
notify unit maintenance.
Ensure that front port dust cap (7) is
properly installed. If front port dust
cap is not properly installed, brake in-
terlock system will cause semitrailer
brakes to lock up.
d. Check that piping assembly front port dust
cap (7) and rear inlet cover (8) are latched in
place. Install front port dust cap with notch
alined with brake interlock paddle (10). Ensure
that paddle does not become pushed in.
e. Inspect brake interlock valves (9) and air Brake interlock valve:
lines at piping assembly front port and rear inlet and air lines are loose
for looseness or damage.