ARMY TM 9-6115-670-14&P
4-58
4.24. RADIATOR HOSES.
This task covers:
a. Inspect
b. Replace
INITIAL SETUP
Tools
General Mechanic's Tool Kit
Equipment Conditions
Engine stopped and allowed to cool completely.
MASTER ON-OFF switch on APU controller set to
OFF.
Materials/Parts
Radiator Hoses
INSPECT
a. Inspect upper and lower radiator hoses (1 and 12, Figure 4-11), oil cooler inlet hose (6), oil cooler
outlet hose (8), and radiator overflow tank hose (3) for loose clamps, water leakage, swelling,
hardening, or cracking.
b. Tighten loose clamps or replace square clamps.
c. Replace deteriorated radiator hoses.
REPLACE
a. Drain engine coolant (para 4.19.).
b. Loosen two clamps (2) and remove upper radiator hose (1).
c. Loosen two clamps (13) and remove lower radiator hose (14).
d. Loosen two clamps (9) and remove oil cooler water inlet hose (8).
e. Loosen two clamps (10) and remove oil cooler water outlet hose (12).
f. Loosen two clamps (4) and remove ends of radiator overflow tank hose (5) from radiator overflow
pipe (3) and radiator overflow tank (11).
g. Remove one screw and lock and flat washer (7), brace (6), and radiator overflow tank hose (5).
h. Install new oil cooler water outlet hose (12) and secure with two clamps (10).
i. Install new oil cooler water inlet hose (8) and secure with two clamps (9).
j. Install new lower radiator hose (14) and secure with two clamps (13).
k. Install new upper radiator hose (1) and secure with two clamps (2).
