TM 9-2330-356-14
b.
Visual inspections are to be made before
d.
Complete disassembly of a component or
operating the equipment or performing any functional
assembly to determine the cause of malfunction should be
tests. The purpose of these inspections is to determine the
done only if the preliminary tests fail to show the trouble.
condition of the component or assembly for obvious
A careful inspection of the component parts should then
indications of damage. If damage is evident, corrective
be made to pinpoint the problem. An analysis of the
action shall be taken to prevent further damage.
damaged part should also be made to determine if
corrective action, other than replacing the damaged part,
c.
Inspections and tests performed after the
can be taken to prevent recurrence of the problem.
component or assembly has been removed from the
semitrailer are to verify the original diagnosis and to
uncover further defects.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
BRAKE SYSTEM
1.
RAPID BRAKE LINING WEAR.
Step 1.
Check the linings to ensure that the correct linings are being used. Combination linings should not
be used.
Step 2.
Inspect brake drums for scoring, cracks, or uneven wear.
If brake drum is cracked or badly damaged, it must be replaced. If scoring is less than
1/16-inch deep, the brake drum can be rebored (para 6-7).
ENGINE
2. STARTER MOTOR DOES NOT TURN - HIGH CURRENT DRAW.
Step 1.
Check starter for grounded switch, terminals, or field (para 7-90)
Replace grounded component.
Step 2.
Replace bushing. Replace starter if necessary.
3. STARTER DOES NOT TURN - NO CURRENT DRAW.
Step 1.
Replace starter.
Step 2.
Replace starter.
Check for broken or weak brush springs (para 7-78 or 7-90),
Step 3.
Replace brush springs if necessary.
Step 4.
Replace starter.
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