TM 5-3825-270-23&P
FIELD MAINTENANCE
WATER PRESSURE ERRATIC
INITIAL SETUP:
References (cont.)
Tools and Special Tools
Strainer Housing Replacement (WP 0182)
Tool Kit, General Mechanic's: Automotive
Suction Tube And Hose Replacement (WP 0201)
(WP 0225, Table 1, Item 12)
Water Pump Assembly Replacement (WP 0198)
Water Distributor Operator Manual (TM
References
5-3825-270-10)
Engine Surges (WP 0010)
Excessive Pump Noise (WP 0024)
Field Level Preventive Maintenance Checks And
Equipment Condition
Engine OFF. (TM 5-3825-270-10)
Services (PMCS) (WP 0069)
Inlet Valve And Hose Replacement (WP 0183)
TROUBLESHOOTING PROCEDURE
WATER PRESSURE ERRATIC
STEP 1
Are all water pump hoses tightly connected and free of leaks?
1.
Ensure all water pump hose clamps are tight and properly installed. (WP 0069)
2.
Visually inspect all water pump hoses for damage. (WP 0069)
3.
Start engine and inspect hoses for leaks. (TM 5-3825-270-10)
4.
Shutdown engine. (TM 5-3825-270-10)
CONDITION/INDICATION
Are all water pump hoses tightly connected and free of leaks?
DECISION
No - Properly install or tighten hose clamps, and/or replace damaged hoses. (WP 0069) Verify problem is
solved. (Step 5 - Is water pressure erratic?)
Yes - Go to step 2. (Step 2 - Are water system components free from damage and blockage?)
STEP 2
Are water system components free from damage and blockage?
Inspect following components for damage and blockage:
Inlet valve and hose (WP 0183)
Strainer (WP 0182)
Suction tube and hose (WP 0201)
CONDITION/INDICATION
Are water system components free from damage and blockage?
DECISION
No - Remove blockage or replace inlet valve (WP 0183), suction tube (WP 0201), and/or strainer. (WP 0182)
Verify problem is solved. (Step 5 - Is water pressure erratic?)
Yes - Go to step 3. (Step 3 - Is engine speed erratic when set to 1500 rpm?)
STEP 3
0023-1