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TM 5-4210-220-34
2-13.
FIRE PUMP - Continued
2-13.14 Fire Pump Tests.
This task covers: Test
TOOLS
MATERIALS/PARTS
Shop Equipment, Automotive
14, Appendix B Gasket Eliminator
Maintenance and Repair,
NSN 4910-00-754-0705
6, Appendix D Discharge Blanking Plate
7, Appendix D Suction Blanking Tool
EQUIPMENT CONDITION
Suction Tee Removed (see TM 5-4210-220-12)
Discharge Elbow Removed (see TM 5-4210-220-12)
Fire Pump Mounted in Truck
Primer Hoses Attached
Priming Reservoir Full
NOTE
If fire pump is not removed from truck, disregard equipment condition 1 (Suction Tee Removed) and 2
(Discharge Elbow Removed). Reattach fire pump as detailed in TM 5-4210-220-12 and test fire pump as
detailed in a. following.
The following repair sections will require testing as detailed in procedure a. following.
2-13.1 Primer Suction Pipe
2-13.2 Wearing Ring
2-13.8 Fiber Driving Wheel
2-13.9 Non-return Valve
2-13.10 Priming Valve Repair
2-13.11 Disengaging Unit
2-13.12 Revolution Counter
The following repair section will require testing as detailed in procedure b. following.
2-13.3 Volute Body
2-13.4 Impeller
2-13.5 Carbon Seal and Seating Ring
2-13.6 Pump Head
2-13.7 Water Ring Primer
2-13.13 Bearing Housing
TEST
a.
Draft Test
NOTE
This test will require a drafting water source. A pond or reservoir will provide a sufficient water supply
providing it is about four feet deep.
(1) Make sure tank valve is closed.
2-132
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