TM 10-4610-237-12
4.23 TEE AND DUAL GATE VALVE ASSEMBLY (9148-Y1) REPAIR - Continued.
a
Disassembly - Continued.
(11) Remove eight nuts (28), lockwashers (29), flat washers (30), screws (31) and ten flat washers (32).
(12) Separate gate valve (33) and gasket (34) from tee (45).
(13) Disconnect ring (35) from male coupling (43) and remove cap (37).
(14) Remove gasket (36) from cap (37).
(15) Remove eight nuts (38), lockwashers (39), flat washers (40), screws (41), and flat washers (42).
(16) Separate male coupling (43) and gasket (44) from tee (45).
b.
Cleaning
(1)
Wash all components with clean water and detergent.
(2)
Rinse components in clean water and dry with wiping rag.
c.
Inspection.
(1)
Inspect female couplings (9 and 26) for cracks and damaged lock arms.
(2)
Inspect male coupling (43) for cracks.
(3)
Inspect tee (45) for cracks or corrosion.
d.
Repair.
(1)
Refer to para. 4.24 to repair gate valve.
(2)
Replace defective components. Do not reuse gaskets (3, 20 and 36), flange gaskets (10, 17, 27, 34 and 44)
or lockwashers (5, 12, 22, 29 and 39).
4-42