OPERATIVE/CREW PREVENTIVE MAINTENANCE CHECKS AND SERVICES
B - Before
D - During
A - After
W - Weekly
ITEM TO BE INSPECTED
PROCEDURE: Check for and have repaired, filled, or
Equipment is Not
adjusted as needed
a. Check wheels for damage.
One or more wheels
b. Check wheel nuts for presence.
One or more wheel nuts
are missing on one
BRAKE LINES AND AIR HOSES
a. Check for evidence of air
Sound of leaking air.
b. Check all lines (1) for kinks
which may restrict proper air flow.
c. Inspect condition of hoses (2)
Hoses leaking or
and connections (3). damaged.
BRAKE SYSTEM AND BRAKE ASSEMBLIES
a. Check for effective braking,
Dolly set pulls to any
even braking action at all wheels,
side when brakes are
and absence of noise when the
brakes (4) are engaged during
normal operation of the dolly set.
b. Check operation of spring brake
chamber (5) by actuating control
valve in towing vehicle cab.
c. Set parking brake lever (6) to
One or both wheels do
ON and try to move dolly set. Be
not lock on the rear
sure both wheels lock on rear dolly.
d. Push auxiliary brake lever (7)
When either front dolly
on front and on rear dolly, and try
or rear dolly brakes do
to move dolly set.