TM-9-2350-238-20-1
HULL AND RELATED COMPONENTS RECOVERY VEHICLE, FULL TRACKED: LIGHT, ARMORED, M578
TECHNICAL MANUAL; UNIT MAINTENANCE MANUAL
MAY 1994
TM-9-2350-238-20-1 - Page 91 of 1364
TM 9-2350-238-20-1
Table 2-3. UNIT TROUBLESHOOTING (CONT)
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
24. XMSN OIL TEMP INDICATOR NEEDLE DOES NOT MOVE, IS NOT STEADY, OR DOES
NOT READ CORRECTLY.
Troubleshoot transmission oil temperature indicator circuit. Refer to Electrical Circuit
Symptom Index, page 2-92.
25. FUEL LEVEL INDICATOR NEEDLE DOES
READ CORRECTLY.
Troubleshoot fuel level indicator circuit.
2-92.
NOT MOVE, IS NOT STEADY, OR DOES NOT
Refer to Electrical Circuit Symptom Index, page
26. SPEEDOMETER OR TACHOMETER NEEDLE DOES NOT MOVE, IS NOT STEADY, OR
DOES NOT READ CORRECTLY.
Step 1.
Step 2.
Step 3.
Disconnect shaft assembly at speedometer or tachometer. Check shaft core
for rotation with engine running.
a.
If core is rotating, replace speedometer or tachometer. Refer to
page 2-1149.
b. If core is not rotating, go to step 2 or 3. Connect shaft assembly to
speedometer or tachometer.
NOTE
To gain access to shaft assemblies, remove hull engine
compartment deck assembly lid, refer to page 2-935; and
hull transmission compartment assembly access cover,
refer to page 2-938.
Disconnect speedometer shaft assembly from adapter at transmission. Check
rotation in adapter with engine running.
a.
If rotation exists in adapter, go to step 4.
b.
If no rotation exists in adapter, replace damaged parts. Refer to
page 2-1149. Connect speedometer shaft assembly to adapter.
Disconnect tachometer shaft assembly from adapter at engine. Check rotation
in adapter with engine running.
If no rotation exists in adapter, notify direct support maintenance.
2-65
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