Table 2-2 Operetor/Crew Preventive Maintenance Checks and Services (Contd)
NOTE: These checks are to be made in the order listed, within designated interval.
B-Before operation D-During operation A-After operation W-Weekly M-Monthly
ITEM TO BE INSPECTED
PROCEDURE: Check for and
have repaired, filled, or
adjusted as needed
b. Inspect electric cable and connector (1) for
cracks, breaks, and other damage.
c. Inspect emergency airbrake hose line and
coupling (2), and service brake hose line and
coupling (3) for damage, deterioration, and leakage.
Cable and connector is
broken, missing, or
Hose or couplings
damaged, leaking, or
Perform this check with the trailer empty and the
trailer loaded after the tractor/trailer are coupled.
a. Check for air leaks at the intervehicular
connecting hoses, relay valve and air reservoirs.
b. Apply trailer brakes only and attempted
to move the tractor/trailer combination.
M820, M820A1, M820A2
EXPANSIBLE VAN EXTERIOR
Check for condition, and proper operation of panels
door switches, ladders, stabilizers, receptacles, and
Any air leaks are present.
Brakes fail to hold tractor/
trailer combination from
Van will not expand.
Power cable, ladders, or
stabilizers missing or