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 TM 55-1905-223-24-1
b. Remove aftercooler.
(1)
Remove air cleaner group (paragraph 2-18).
(2)
Remove four machine bolts (29, FIG. 2-52), lockwashers (30), and flat washers (31).
(3)
Remove air crossover connection (12) and preformed packing (11). Discard preformed packing.
(4)
Loosen retaining clips (48 and 50) on nonmetallic hose (49) connecting aftercooler to turbocharger.
Remove hose.
(5)
Remove two hexagon head capscrews (65), lockwashers (64), four machine bolts (67), and
lockwashers (68) from the water transfer housing (66).
(6)
Remove water transfer housing (66) and preformed packing (63). Discard preformed packing.
(7)
Loosen hose clamps (60 and 62). Remove nonmetallic hose (61), water transfer connection (59),
preformed packing (58), adapter connector (57),and preformed packing (56 and 55). Discard
preformed packings.
(8)
Remove hexagon head capscrews (51) and flat washers (52). Remove air crossover connection
(47) and gasket (46). Discard gasket.
(9)
Remove four hexagon head capscrews (69) and lockwashers (70).
(10)
Remove water outlet connection (1), preformed packings (2 and 3), adapter connection (4), and
preformed packing (5). Discard preformed packings.
(11)
Remove 18 hexagon head capscrews (34), lockwashers (33), andflat washers (37) from each
aftercooler housing cover (10). Remove aftercooler housing cover (10) and aftercooler gasket (9).
Discard gasket.
(12)
Remove radiator core (8) and aftercooler gasket (7). Discard gasket.
(13)
Remove eight assembled washer screws (44). Remove aftercooling housing (6).
(14)
Remove eight hexagon head capscrews (54) and lockwashers (53). Remove aftercooler brackets
(43) and mounting spacers (45).
REPAIR
a. Pressure test radiator core (8).
(1)
Use a hose plugged with a pipe plug. Plug one of the radiator core nipples.
(2)
Attach air line and gauge to the remaining nipple.
2-124
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