C6, TM 9-2350-230-12
1.
ENGINE COOLANT TEMPERATURE GAGE. TEMPERATURE GAGE SHOULD NORMALLY READ 175'210'F.
2.
ENGINE COOLANT TEMPERATURE WARNING LIGHT. WARNING LIGHT WILL COME ON IF ENGINE
TEMPERATURE REACHES 225"F (CHECK AGAINST ENGINE COOLANT TEMPERATURE GAGE). STOP
ENGINE AND CHECK FOR:
a. LOW COOLANT LEVEL IN SURGE TANK--FILL SYSTEM.
b. DEBRIS ON INTAKE GRILLE OR RADIATOR-REMOVE DEBRIS.
c.
BROKEN COOLANT PUMP BELTS--NOTIFY ORGANIZATIONAL MAINTENANCE.
IF, AND ONLY IF NONE OF THE ABOVE PROBLEMS ARE FOUND, LOCK COOLANT FAN CLUTCH IN
DIRECT DRIVE (B, FIGURE 5-2) FCR EMERGENCY OPERATION. NOTIFY ORGANIZATIONAL
MAINTENANCE.
3.
ENGINE LOW OIL PRESSURE WARNING LIGHT. IF WARNING LIGHT REMAINS ON AT 1300 RPM,
INDICATING LESS THAN 9-13 PSI PRESSURE, STOP ENGINE AND CHECK OIL LEVEL. IF OIL IS AT
PROPER LEVEL, NOTIFY ORGANIZATIONAL MAINTENANCE.
4.
TRANSMISSION LOW OIL PRESSURE WARN ING LIGHT. IF WARNING LIG HT REMAI NS ON AT 1500 RPM,
INDICATING LESS THAN 4-8 PSI PRESSURE, STOP ENGINE AND CHECK OIL LEVEL. IF OIL LEVEL IS
CORRECT, NOTIFY ORGANIZATIONAL MAINTENANCE.
5.
TRANSMISSION OIL TEMPERATURE WARNING LIGHT. WARNING LIGHT INDICATES OVERHEATED
IIANSMISSION. PLACE SHIFT SELECTOR IN NEUTRAL POSITION AND IDLE AT 1300 RPM FOR THREE
MINUTES. IF LIGHT REMAINS ON, NOTIFY ORGANIZATIONAL MAINTENANCE.
WE 12036
Figure 2-9. Driver's indicator panel
2-14