TM 9-2350-230-12
Malfunction
Probable cause
Corrective action
TRACKS AND SUSPENSION -
Continued
49. Vehicle sags to one
e. Incorrect installation of
side or rides
excessively hard -
Continued
50. Excessive noise in
a. Worn or seized road wheel
a. Immediately after operating
tracks and suspen-
or idler wheel hub bear-
vehicle, check road wheel
sion during vehicle
ings
and idler wheel hubs for
operation
excessive heat. Inspect
and replace road wheel or
b. Worn sprockets
b. Reverse sprockets or replace
PERSONNEL HEATER
51. Heater will not start
a. Improper starting procedure
starting procedure.
b. No electrical power
b. Check lead #561, control box
lead, and circuit breaker
Repair or
replace defective compon-
ents.
c. Remove obstruction.
d. Insufficient fuel
d.
(1)
Shutoff valve closed
(1)
(2)
Clogged filter in line or
(2)
Clean or replace filter(s)
pump
(3)
No electrical power to
(3)
With switch in start posi-
pump
tion, check voltage at pump
If no power, check control
box start switch and circuit
Re-
place switch if defective
harness or notify support
maintenance.
(4)
Defective pump
(4)
If pump has power but will
not run, replace pump,(fig.
(5)
Overheat switch open
(5)
Replace if defective rig.
(6)
(6)
is defective, replace heater
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