TM 5-2420-230-24-1
a. Removal.
NOTE
It is not necessary to drain the Air-Conditioner (A/C) or hydraulic oil cooler systems to replace the radiator.
Some coolant will remain in system after draining. Place suitable container under hoses prior to removal.
(1)
Remove four self-locking nuts, lockwashers, flat washers, and bolts securing A/C condenser. Discard self-locking
nuts and lockwasher.
(2)
Protect A/C condenser core with cardboard, and place it on right wheel.
(3)
Secure A/C condenser core to fender arm with cable ties.
(4)
Remove eight self-locking nuts, lockwashers, flat washers, four angle brackets, and eight bolts securing hydraulic
oil cooler. Discard self-locking nuts and lockwashers.
(5)
Protect hydraulic oil cooler core with cardboard, and
place it on left wheel.
(6)
Secure hydraulic oil cooler core to fender arm with
cable ties.
(7)
Remove two clamps (1) and lower radiator hoses (2)
from radiator (3).
(8)
Remove two clamps (4) and upper radiator hoses (5)
from radiator (3).
(9)
Remove six lockwashers (6), washers (7), and bolts (8)
from radiator mount bracket (9). Discard lockwashers.
(10) Remove radiator (3).
(11) Remove four self-locking nuts, washers, rubber mounts,
and bolts on radiator mount bracket (9). Discard self-
locking nuts.
(12) Remove radiator mount bracket (9).
b. Installation.
(1)
Install four rubber mounts on radiator mount bracket (9) using bolts, washers, and new self-locking nuts.
(2)
Install radiator (3) on radiator mount bracket (9) with six bolts (8), washers (7), and new lockwashers (6). Torque
bolts to 40 lbf/ft (54 Nm).
(3)
Install two clamps (4) and upper radiator hoses (5) on radiator (3). Tighten clamps to 50-70 lbf/in (5.6-7.9 Nm).
(4)
Install two clamps (1) and lower radiator hoses (2) on radiator (3). Tighten clamps to 50-70 lbf/in (5.6-7.9 Nm).
(5)
Remove cable ties securing hydraulic oil cooler core.
(6)
Remove cardboard and install hydraulic oil cooler with eight bolts, new lockwashers, flat washers, four angle
brackets, and new self-locking nuts. Torque bolts to 11 lbf/ft (15 Nm).
(7)
Remove cable ties securing A/C condenser.
(8)
Remove cardboard and install A/C condenser with four bolts, new lockwashers, flat washers, and new self-locking
nuts. Torque bolts to 11 lbf/ft (15 Nm).
c. Follow-On Maintenance.
(1)
Fill cooling system (Para 9-4).
(2)
Install nose cone (Para 13-18).
END OF TASK
Change 1
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