TM 5-3825-270-23&P
0045
WATER LEVEL
LOW INDICATOR
Figure 4. Water Level High Indicator - Step 2.
CONDITION/INDICATION
Does WATER LEVEL LOW indicator illuminate?
DECISION
No - Go to step 3. (Step 3 - Does tachometer operate?)
Yes - Go to step 4. (Step 4 - Does WATER LEVEL HIGH indicator illuminate after swapping with WATER LEVEL
LOW indicator?)
STEP 3
Does tachometer operate?
NOTE
Tachometer provides the ground source for the water level indicators. If both water level
indicators do not illuminate, fault may be isolated by verifying if tachometer operates.
1.
Start engine. (TM 5-3825-270-10)
2.
Observe tachometer.
TACHOMETER
Figure 5. Tachometer - Step 3.
3.
Shutdown engine. (TM 5-3825-270-10)