TM 9-2330-271-14&P
Table 3-1. Operator/Crew Preventive Maintenance Checks and Services - Continued
B - Before
D - During
A - After
W - Weekly
M - Monthly
INTERVAL
ITEM TO BE INSPECTED
ITEM
PROCEDURE: Check for and have repaired,
Equipment is not
NO
B
D
AWM
filled, or adjusted as needed
ready/available If:
BRAKES
18
Observe operation of brakes Note any
Brakes do not operate
unsatisfactory operation (grabbing,
or do not operate properly
pulling, or slow or spongy operation)
FIFTH WHEEL/
KINGPIN
19
Observe how semitrailer tracks while
being towed In a straight line Note any
side pull, wander, or shimmy.
BRAKE DRUMS/
HEEL HUBS
WHEEL HUBS
20
Cautiously feel drums and hubs for over-
Brake drums overheating
heating. Report overheating to organi-
zational maintenance.
BODY
21
Wipe off vehicle, wash if necessary.
22
Inspect body for fading of paint and for
rust spots.
23
Inspect body for missing or damaged
reflectors and/or operating lights.
24
Check to insure that publications, basic
issue tools & equipment are present &
properly stored.
Section III. TROUBLESHOOTING
Table 3-2. Troubleshooting - Continued
3-8. Scope
MALFUNCTION
a. This
section
contains
troubleshooting
TEST OR INSPECTION
information for locating and correcting most of the
CORRECTIVE ACTION
operating troubles which may develop in the semi- trailer.
Each malfunction for an individual component, unit or
assemblies intervehicular cable receptacle.
system is followed by a list of tests or inspections which
Tighten ground connection as required
Step 2. Check to see that intervehicular cable is properly
will help you to determine the corrective actions to take.
plugged Into receptacle
b. This manual cannot list all malfunctions that
Pull cable plug out of receptacle and insert
may occur, nor all tests or inspections and corrective
properly.
actions. If a malfunction is not listed or is not corrected
Step 3. Check light switch on towing vehicle
by listed corrective actions, notify your supervisor.
Place light switch on towing vehicle In proper
mode of operation
you may find during the operation or maintenance of the
Step 4. Inspect for dirty or corroded terminals on
semitrailer or its components. You should perform the
intervehicular cable
tests/inspections and corrective actions in the order
Clean connectors, receptacle and plug (para-
graph 3-3b)
listed.
2. ONE OR MORE LAMPS WILL NOT LIGHT
Table 3-2. Troubleshooting
Step 1. Inspect for dirty or corroded terminals on
MALFUNCTION
intervehicular cable.
TEST OR INSPECTION
Clean connections, receptacle and plug
CORRECTIVE ACTION
Step 2. Check for loose cable connections
ELECTRICAL SYSTEM
Tighten connections
1.
ALL LAMPS FAIL TO LIGHT.
Step 3. Check to see if rear junction connector is loose if
Step 1. Check for loose ground connections at light
van and forward chassis lights are ON, but all
rear lights are OFF. Pull out, clean and reinsert
connector, making certain socket and contacts
are clean.
3-9
