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 TM 9-2330-394-13&P
PREVENTIVE MAINTENANCE CHECKS AND SERVICES,
0042 00
INCLUDING LUBRICATION INSTRUCTIONS - Continued
Semiannual PMCS Procedures for Trailer (Field Level) - Continued
Table 10. Preventive Maintenance Checks and Services (PMCS) - Semiannual (Field Level) -
Continued.
ITEM TO BE FIELD-LEVEL MAINTENANCE
EQUIPMENT
ITEM
INTERVAL
MAN-
CHECKED OR PROCEDURE
NOT READY/
NO.
HOUR
AVAILABLE IF:
SERVICED
NOTE
For road test, towing
vehicle/trailer combination will be
driven at least five miles over
different types of terrain to give
enough time to detect any
malfunctions.
Perform the following during
towing vehicle/trailer road test:
Steering binds,
1
Semiannual
Preservice
1. With towing vehicle/trailer speed
grabs, wanders
Checks
approximately 5 mph (8 kph), turn
or has freeplay.
steering wheel to left, then right, to
detect steering backlash, shimmy or
freeplay . With towing vehicle/trailer
moving on straight, level terrain,
lightly hold steering wheel to check
for pull and wandering.
2. Apply towing vehicle brake pedal
Brake system
with steady force. Towing
chatters, pulls to
vehicle/trailer should slow down and
one side, will not
stop without pulling to one side or
release, or does
jerking. Release towing vehicle
not operate.
brake pedal. The towing
vehicle/trailer brake system should
release immediately and without
difficulty.
3. Observe trailer response to road
Handling is
shocks. Side sway or continuous
unstable.
bouncing indicates a malfunction.
0042 00-55
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