TM 9-6115-662-13&P
Item
No.
8
9
Interval
Before
Before
Table 2-2. Operator Preventive Maintenance Checks and Services
for AN/MJQ-40, PU-803, and PU-804 (continued)
Location
Item to Check/Service
TRAILER - continued
AIR HOSE AND COUPLER
LIGHTS
a.
b.
a.
b.
c.
With trailer hooked to towing
vehicle, check air hose (10) for
leaks, cuts, and abrasions.
Check coupler body (11) for
damage. Check if seal (12) is
missing or damaged.
Check for obvious damage or
looseness of lights and lenses.
NOTE
An assistant is required
while checking brake lights.
Connect the intervehicular
cable (9) to the towing vehicle.
Operate the vehicle light switch
through all settings and check
the lights.
Air leaks are found,
or cuts in hose deep
enough for cords to
show.
Coupler body is
cracked or broken.
Seal is missing.
Lights are damaged,
not serviceable.
2-14
