TM 55-4920-394-13&P
f.
g.
Reinstall bearings and hub, and adjust castellated nut just until all end play is removed. Then back
off nut until cotter pin hole is exposed and install cotter pin.
h.
If rear wheel hub has been removed, examine bra e shoes for worn linings. If necessary, replace
k
brake shoes.
SECTION IV. TROUBLE SHOOTING
3-31. Trouble Shooting . The following table provides a quick check list of possible troubles which may be
encountered in the operation of the test stand, their probable cause and suggested remedy.
Table 3-6. Trouble Shooting
TROUBLE
PROBABLE CAUSE
REMEDY
Main Pump
Power cable not connected or
Plug in properly.
Motor will
plug not seated in receptacle
not start
Circuit Breakers Tripped to OFF/
Reset Switches on ON.
Control Master Switch OFF (Refer
Check and correct power
causing reverse phase relay to
remain inoperative
Wrong Voltage applied, starter
Connect to specified
will not respond
power source; reset
starter button.
Defective Control Circuit Wiring
Inspect Wiring, repair
or replace defective
wire leads.
High Pressure Pump inlet below
Press and hold pump on
40 psig
button until pressure
builds up to 40 psig.
Main Pump
Overloaded; starters tripped OFF
Wait for 30 seconds,
Motor stops
press starter button.
during
If motor continues to
operation
cut out, check for
cause of overload con-
dition; check heater
coils in starter.
Low Boost pressure to high
Check cause of pressure
pressure pump
failure to high pres-
sure pump. Filter ele-
ment clogs, fluid level
indication low.
3-14