TM 9-2320-272-24-2
3-405. SWINGFIRE HEATER PUMP REPLACEMENT
THIS TASK COVERS:
b. Installation
a Removal
INlTlAL SETUP:
REFERENCES (TM)
APPLICABLE MODELS
TM 9-2320-272-10
All
TM 9-2320-272-24P
TOOLS
General mechanic's tool kit (Appendix E, Item 1)
EQUIPMENT CONDITION
l Parking brake set (TM 9-2320-272-10).
MATERIALS/PARTS
l Hood raised and secured (TM 9-2320-272-10).
Two key washers (Appendix D, Item 267)
l Battery ground cables disconnected (para. 3-126).
Antiseize tape (Appendix C, Item 72)
a. Removal
1.
Remove nut (28) and wire (29) from heater pump (6) and ground terminal (27).
2.
Remove nut (26) and wire (25) from heater pump relay (24).
NOTE
Have drainage container ready to catch excess coolant.
Remove clamp (17), clamp (21), and hose (20) from connector (9) and pump outlet tube (18).
3.
4.
Remove connector (9) and adapter (22) from elbow (23).
NOTE
Mark position of elbow for installation.
5.
Remove elbow (23) from heater pump (6).
Remove heater pump (6) and nipple (4) from tee (1).
6.
Remove clamp (5) and heater pump (6) from bracket (8) and support (10).
7.
Remove two nuts (12), washers (11), screws (7), and bracket (8) from support (10).
8.
Remove two screws (13), key washers (14), bracket (15), and support (10) from exhaust port (16).
9.
Discard key washers (14).
Remove reducer bushing (2), thermal close valve (3), and tee (1) from water manifold (19).
10.
3-996
