1. HEXAGON HEAD CAPSCREW
15. TOP TANK ASSEMBLY
2. HEXAGONAL NUT
16. BOTTOM TANK ASSEMBLY
3. FLAT WASHER
17. HEADER BAR
18. FRONT/REAR HEADER BAR
5. SHROUD ASSEMBLY
19. HEADER GASKET
6. HEXAGON HEAD CAPSCREW
20. HEXAGON HEAD CAPSCREW
7. HEXAGON HEAD CAPSCREW
21. FLAT WASHER
8. FLAT WASHER
23. HEXAGONAL NUT
10. LEFT SIDE ASSEMBLY
24. CORE ASSEMBLY
11. RIGHT SIDE ASSEMBLY
25. CENTER RING ASSEMBLY
12. HEXAGON HEAD CAPSCREW
26. HEADER BAR
13. HEXAGONAL NUT
27. FRONT/REAR HEADER BAR
28. HEADER GASKET
Figure 7-2. Radiator, Exploded View (Sheet 2 of 2)
7-10. RADIATOR REPAIR. Repair the radiator by repair or replacement of components in accordance with paragraphs
7-8 and 7-9.
7-11. RADIATOR ASSEMBLY. See Figure 7-2.
Assemble core assemblies (24), center ring assembly (25), header bars (26), front/rear header bars (27), and
header gaskets (28) and secure with hexagon head capscrews (20), lockwashers (22), flat washers (21), and
hexagonal nuts (23).
Assemble top and bottom tank assemblies (15 and 16), header bars (17), front/rear header bars (1 8), and
header gaskets (19) and secure with hexagon head capscrews (12), hexagonal nuts (13), and lockwashers (14).
Install left and right side assemblies (10 and 11) and secure with hexagon head capscrews (6 and 7), flat washers
(8), and lockwashers (9).
Install shroud assembly (5) and secure with hexagon head capscrews (1), hexagonal nuts (2), flat washers (3),
and lockwashers (4).
7-12. RADIATOR INSPECTION AND TESTING . After assembly, inspect, and test the radiator in accordance with
7-13. RADIATOR INSTALLATION . Install the radiator in accordance with the Operator and Organizational Maintenance
SECTION lIl. THERMOSTAT HOUSING SUPPORT
7-14. GENERAL. The thermostat housing support is bolted to the front of the engine cylinder block. The thermostat
housings, fan hub and pulley assembly, water pump by-pass tube, and water transfer tubes from the rocker lever
housings and aftercooler attach to the housing support.
7-15. THERMOSTAT HOUSING SUPPORT REPAIR .
Remove the thermostat housings and the fan hub and pulley assembly in accordance with the Operator
and Organizational Maintenance Manual.
Remove the coolant temperature switch WT2, coolant temperature sender MT3, and the ether lockout
temperature switch S17 in accordance with the Operator and Organizational Maintenance Manual.
Remove the water transfer tubes from the aftercooler in accordance with paragraph 9-42.
Remove the capscrews (1, Figure 7-3) and lockwashers (2), and remove the hose clamp securing the
upper by-pass tube assembly (3) to the hose on the lower by-pass tube assembly. Remove the by-pass
tube assembly (3) and gasket (4) from the thermostat housing support (16). Discard the gasket (4).