TM 5-3825-270-23&P
FIELD MAINTENANCE
WATER PUMP DOES NOT OPERATE
INITIAL SETUP:
Tools and Special Tools
References (cont.)
Tool Kit, General Mechanic's: Automotive
Water Pump Assembly Replacement (WP 0198)
(WP 0225, Table 1, Item 12)
Water Distributor Operator Manual (TM
5-3825-270-10)
References
Engine Module Replacement (WP 0128)
Equipment Condition
Pump Drive Coupling Replacement (WP 0200)
Engine OFF. (TM 5-3825-270-10)
Flex Element Replacement (WP 0147)
TROUBLESHOOTING PROCEDURE
WATER PUMP DOES NOT OPERATE
STEP 1
Is pump drive coupling installed correctly and free of damage?
1.
Remove engine. (WP 0128)
2.
Ensure pump drive coupling is installed correctly and free of damage. (WP 0200)
PUMP DRIVE COUPLING
Figure 1. Pump Drive Coupling - Step 1.
CONDITION/INDICATION
Is pump drive coupling installed correctly and free of damage?
DECISION
No - Properly install or replace pump drive coupling. (WP 0200) Verify problem is solved. (Step 3 - Does water
pump operate?)
Yes - Go to step 2. (Step 2 - Is flex element installed correctly and free of damage?)
STEP 2