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 TM 55-1905-223-24-18-2
(4) Remove panel and position on a clean flat surface.
(5) Position a 5/8 inch wrench on gland nuts (13) to prevent nuts from rotating, position a second
5/8 inch wrench on coupling nuts (14) and loosen nuts completely.
(6) With coupling nuts (14) completely loosened, gently hold tubings (32) and pull up on coupling
nuts to break seals free of tubings.
(7) Remove gland nuts (13) from differential pressure gage (21) housing.
(8) Remove two hex self-locking nuts (10) and hexhead capscrews (12) securing gauge support
brackets (11) to back of panel.
(9) Remove two hex head capscrews (9) securing support bracket (11) to pressure gauge.
(10) Remove pressure gauge from front panel.
(11) Disconnect tube coupling nuts (15).
(12) Remove pressure lines (32).
(13) Disconnect tube coupling nuts (16) and (19) from both flareless tube tees (24) and valve
assemblies (25).
(14) Remove pressure lines (31).
(15) Remove tube caps (23).
(16) Remove tube fittings locknuts (22),
(17) Slide flareless tube tees (24) out of back side of panel.
(18) Remove screws (27) from root valves (25) and remove handwheel (26).
(19) Remove gland nuts (28) and locknuts (29).
(20) Slide root valves (25) out of back side of panel.
REPAIR
Repair of diesel fuel oil filter/separator and subassembly consists of replacing angle valve (1), valve
assembly (25).
ASSEMBLY
a. Valve assembly/differential pressure gauge.
(1) Position root valves (25) on instrument panel (8).
(2) Install locknuts (29) and secure root valves to panel.
4-30
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