TM 9-2320-272-24-2
3-403. ENGINE COOLANT HEATER HOSE REPLACEMENT
THIS TASK COVERS:
a. Removal
b. Installation
INITIAL SETUP:
APPLICABLE MODELS
REFERENCES (TM)
All
TM 9-2320-272-10
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).
Lockwasher (Appendix D, Item 354)
l Right splash shield removed (TM 9-2320-272-10).
Nine tiedown straps (Appendix D. Item 685)
1.
Close water manifold drainvalve (1) on right side of engine (3).
2.
Close coolant outlet drainvalve (2) on right side of engine (3).
NOTE
Have drainage container ready to catch excess coolant.
Loosen clamp (27) and remove hose (20) from water manifold drainvalve (1).
3.
4.
Remove nut (10), lockwasher (9), clamps (12) and (24), washer (22), and screw (23) from oil dipstick
tuba bracket (8) and oil dipstick tube (11). Discard lockwasher (9).
Remove screw (18) and clamp (19) from cab support (13).
5.
Remove three tiedown straps (21) from hose (20), fuel line (26), and electrical harness (25). Discard
6.
tiedown straps (21).
Loosen clamp (7) and remove hose (6) from coolant outlet drainvalve (2).
7.
Remove screw (16), washer (15), and clamp (14) from engine access cover (5).
8.
Remove two tiedown straps (17) from hose (6) and two transmission oil cooler lines (4). Discard
9.
tiedown straps (17).
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