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 TM 5-2420-224-34
ANTIFREEZE DEVICE (P/N 000431 5715 BI.1) REPAIR (CONT)
DISASSEMBLY
1.
REMOVE and DISCARD SCREEN (1) from antifreeze pump (2).
REMOVE retaining ring (3), seat (4), PISTON (5), and spring (6). DISCARD retaining RING and SPRING.
2.
REMOVE and DISCARD two backing RINGS (7) and four PACKINGS (8).
3.
4.
REMOVE four SCREWS (9) and four washers (10).
REMOVE HOUSING (11).
5.
REMOVE spring (12), spring COVER (13), valve cone (14), and gasket (15). DISCARD SPRING, valve
6.
CONE, and GASKET. -
7.
REMOVE screw (16), PLATE (17), two screws (18), and COVER (19).
ROTATE KNOB (20) 1/4 turn and REMOVE.
8.
REMOVE and DISCARD three KEEPERS (21).
9.
10.
REMOVE INSERT (22).
1.
INSTALL INSERT (22) in antifreeze pump (2).
INSTALL three new KEEPERS (21) in knob (20).
2.
INSTALL KNOB (20) on antifreeze pump (2) and ROTATE KNOB (20) 1/4 turn.
3.
4.
INSTALL COVER (19), two screws (18), PLATE (17), and screw (16) on knob (20).
INSTALL new spring (12), spring COVER (13), and new valve cone (14).
5.
INSTALL new gasket (15) and HOUSING (11).
6.
WARNING
Adhesive causes immediate bonding on contact with eyes, skin, or clothing and
also gives off harmful vapors. Wear protective goggles and use in
well-ventilated area. If adhesive gets in eyes, try to keep eyes open; flush eyes
w i t h water for 15 minutes and get immediate medical attention.
7.
APPLY COAT of SEALING COMPOUND to four WASHERS (10) and four SCREWS (9) and INSTALL
four washers (10) and four SCREWS (9).
INSTALL four new PACKINGS (8) and two new backing rings (7).
8.
APPLY light COAT of LUBRICATING OIL to four PACKINGS (8) and two backing RINGS (7) to aid in
9.
piston installation.
10. INSTALL new spring (6), PISTON (5), seat (4), and new retaining ring (3).
11. INSTALL new SCREEN (1) on antifreeze pump (2).
NOTE
Follow-on Maintenance:
Install antifreeze device (TM 5-2420-224-20).
17-41
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