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TM 5-4210-233-14&P-1
4-47. AERIAL DISCHARGE VALVE - Continued
(1)
Install new O-rings (28 and 29) in bearing retainers (26).
NOTE
Apply a light coat of silicone grease (Item 11, Appendix
E) to all O-rings, bearing bores, journals and ball (13) to
aid in assembly.
(2)
Install ball (13) in valve body (9).
(3)
Install ball bearings (27) in bearing retainers (26).
(4)
Install bearing retainers (26) in valve body (9).
(5)
Install cover (25) with four screws (24).
(6)
Install new O-rings (22 and 23) on seal housing (19).
(7)
Install four new springs (21) in holes of new seal (20). Slide seal (20) into seal housing (19).
Make sure springs (21) are working properly by pressing down on seal (20). It should spring back
when released.
(8)
Install seal housing (19) into valve body (9) and attach with four screws (18).
(9)
Install bracket (15) on dowel pins (17).
(10)
Install four screws(16).
(11)
Install rack (14) in bracket (15).
(12)
Place sector (12) on stem of ball (13) in same position removed from, engage first tooth of sector
with first space of rack.
(13)
Install roll pin (11).
e.
Installation.
(1)
Install valve (9) and two new gaskets (10) between aerial waterway (8) and pump.
(2)
Lower aerial water way onto valve (9) and install sixteen screws (7) and sixteen nuts (6).
(3)
Install roll pin in universal joint (5).
(4)
Install drain hose (3) on fitting (4) and tighten hose clamp (2).
(5)
Install hose (1) on elbow (1A).
f.
Follow-on Maintenance.
(1)
Install curbside operator's panel (see para 4-26).
(2)
Connect batteries (see para 4-114).
4-245
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