TM 5-3825-270-23&P
FIELD MAINTENANCE
WATER SPRINKLERS DO NOT OPERATE
INITIAL SETUP:
Tools and Special Tools
References (cont.)
Tool Kit, General Mechanic's: Automotive
Air Line Lubricator Replacement (WP 0169)
(WP 0225, Table 1, Item 12)
Solenoid Valve Replacement (WP 0168)
Water Hose Does Not Operate (WP 0055)
References
Air Hose Replacement (WP 0171)
Equipment Condition
Air Valve Cover Plate Replacement (WP 0164)
Engine OFF. (TM 5-3825-270-10)
Flusher Nozzle And Air Actuator Replacement
TROUBLESHOOTING PROCEDURE
WATER SPRINKLERS DO NOT OPERATE
STEP 1
Are one or both water sprinklers inoperative?
NOTE
When valve V5 is open, water sprinklers may have lower pressure than when fully closed.
Attempt to operate water sprinklers. (TM 5-3825-270-10)
CONDITION/INDICATION
Are one or both water sprinklers inoperative?
DECISION
Both Inoperative - Go to step 5. (Step 5 - Is prime mover air supply functioning properly?)
One Inoperative - Go to step 2. (Step 2 - Is inoperative water sprinkler head damaged or restricted?)
STEP 2
Is inoperative water sprinkler head damaged or restricted?
Visually inspect water sprinkler head for damage and restriction.
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