4. Disconnect lines at fuel cooler (1, Figure 3-1).
Remove clamps securing fuel lines to radiator.
5. Unclamp and separate all upper tank lines (3)
between the radiator and engine.
6. Remove outlet elbows (2 & 4, Figure 3-3) at
bottom tanks. Cap all coolant lines to prevent
contamination.
7. Remove and cap hoses from radiator top tank and
surge tank.
8. Remove capscrews and lockwashers to free fan
guard (1 & 3, Figure 3-4) from radiator shroud (2).
The two halves of the fan guard may be disas-
sembled and removed or the complete guard may
be moved to the rear to clear the fan shroud
during radiator removal.
9. Attach hoist to lift radiator and take up slack.
NOTE: The radiator and shroud assembly weigh ap-
proximately 5,730 Lbs. (2,600 Kg.).
10. Remove the upper radiator side support rods (4,
Figure 3-1). Remove lower support rods (5).
11. Remove nuts, lockwashers, flat washers and cap-
screws (2, Figure 3-5) from power module sub-
frame (3) at the lower radiator mounts.
12. Verify all hoses and wiring harnesses have been
removed. Lift radiator slightly with the hoist, move
assembly forward until clear of engine fan. Move
radiator to work area for service.
FIGURE 3-3. RADIATOR PIPING
(Bottom View)
1. Drain Cock
2. Outlet Elbow (Front)
3. Radiator Mounting
Capscrews
4. Outlet Elbow (Rear)
5. Heat Exchanger
6. Engine Subframe
FIGURE 3-4. FAN GUARD
1. Fan Guard (LH)
2. Fan Shroud
3. Fan Guard (RH)
4. Engine Subframe
C3-2 Cooling System C03023 03/01
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