TM 5-3825-225-14&P
(13) Disconnect air lines and coupling (13 Appendix F, Figure 86) and remove sprinkler valves (1).
_________
WARNING
Attach proper lifting devices to the spray bar plumbing before dropping it from
the water distributor or personnel could be injured.
(14) Remove U-bolts (25, Appendix F, Figure 83) and drop spray bar plumbing to the ground.
(15) Remove riser pipes (37) from elbows (36).
(16) Remove elbows (36) and horizontal pipes (31 and 35) from tee (33).
(17) Separate reducing tee (28), discharge pipe (29), elbow (5), nipple (32), tee (33), and plug (34).
b. Installation (see Appendix E Figures83 and 86).
(1) Attach sump pipe (4, Appendix F, Figure 83), sump nipple (3), plug (2), elbow (5), and close nipple (6) to
collection box.
(2) Install water distributor pump to engine (see paragraph 4-54).
(3) Attach tee (15), adapter (13), strainer (14), and dust cap (12) to pump.
(4) Attach valve nipple (11) to tee (15).
(5) Attach 4 in. (10.2 cm) butterfly valve (see paragraph 4-56).
(6) Attach elbow (5) and close nipple (6) to valve nipple assembly (9).
(7) Slide hose clamps (7) over hose (8) and install hose and tighten hose clamps.
(8) Assemble elbows (36), horizontal pipes (31 and 35), tee (33), plug (34), nipple (32), elbow (5), discharge
pipe (29), reducing tee (28), close nipple (27), elbow (26), discharge nipple (38), and nipple (22).
_________
WARNING
Use proper lifting devices to raise spray bar plumbing into place or personnel could be Injured.
(9) Raise the spray bar plumbing into place and attach it to the frame with U-bolts (25).
(10) Install riser pipes (37). Install sprinkler valves to pipes with couplings (13, Appendix F, Figure 86).
(11) Attach risers to frame with U-bolts (25, Appendix F, Figure 83).
(12) Install new gaskets (39) and discharge valve nipple (40) and install 3 in. (7.6 cm) butterfly valve (see
paragraph 4-56).
(13) Slide hose clamps (41) over hose (42). Attach hose to discharge valve nipple (40) and sump nipple (3)
and tighten hose clamps.
(14) Attach flange (16), new gasket (17), and gage pipe nipple (18) to pump assembly.
(15) Attach pressure gage to gage pipe nipple (18).
(16) Install reducer tee (19), adapter (20), dust cap (21), and discharge nipple (22).
(17) Slide hose clamps (23) over hose (24). Attach hose to discharge nipples (22) and tighten hose clamps.
(18) Attach air lines to sprinkler valves.
(19) Check the water distributor plumbing for leaks after it is assembled.
4-56. BUTTERFLY VALVE MAINTENANCE.
NOTE
Replacement and repair of 4 in. (10.2 cm) butterfly valve Is described. 3 in. (7.6 cm)
butterfly valve is replaced and repaired the same.
a. Removal (See Appendix F, Figure 85). Remove screws (16), nuts (14), lockwashers (15), and valve assembly
(1). Discard lockwashers.
b Disassembly (See Appendix F, Figure 85).
(1) Remove screw (7) and valve handle (8) from valve body (4).
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