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TM 5-4210-220-12
4-18. PUMP, PIPING, AND VALVES Continued
4-18.9 1 1/2 Inch Drop-Out Ball Valve.
This task covers
a.
Removal
b.
Installation
TOOLS
MATERIALS/PARTS
Shop Equipment, Automotive
14, Appendix E Silicone Grease
Maintenance and Repair,
22, Appendix E Pipe Sealant
NSN 4910-00-754-0705
29, Appendix E Threadlock Liquid
57395 O-ring Spacer
EQUIPMENT CONDITION
57321 O-ring Actuator Shaft
All Piping Drained
57348 O-ring Pivot Bolt
Main Engine Shutdown (see para. 2-10)
57338 O-ring Body
APU Shutdown (see para. 2-12)
63821 Seat
Batteries Disconnected (see para. 4-24)
57421 O-ring Seat
Heat Shields Removed (see para. 4-11) (as required)
57318 O-ring Retainer
NOTE
The following valves are 1 1/2 in. drop-out ball valves.
a.
Tank fill (from discharge manifold)
b.
Bumper Turret Manual
c.
Cross-lay hose bed (2 off)
NOTE
This removal procedure is used for all 1 1/2 in. ball valves regardless of their location on the
firefighting system.
4-240
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