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Page Title:
Figure 4-17. Thermostat, outlet elbow, coolant and oil cooler lines and fittings, exploded view. |
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 1.
Drain plug
16. Radiator drain tube
30. Bushing
2.
Drain plug
17. Connector
31. Cooler-to-crankcase hose
3.
Drain plug
18. Hose clamp
32. Elbow
4.
Drain plug
19. Hose
33. Oil cooler drain hose
5.
Hose clamp
20. Hose clamp
34. Bushing
6.
Hose
21. Elbow
35. Elbow
7.
Bypass tube
22. Hose
36. Bushing
8.
Connector
23. Hose clamp
37. Tee
9.
Plug
24. Drain elbow
38. Nipple
10.
Nut
25. Hose
39. Elbow
11.
Lock washer
26. Crankcase-to-cooler hose
40. Bushing
12.
Water outlet elbow
27. Elbow
41. Crankcase coolant drain hose
13.
Gasket
28. Bypass valve
42. Bushing
14.
Thermostat
29. Nipple
43. Bushing
15.
Thermostat ring
Figure 4-17. Thermostat, outlet elbow, coolant and oil cooler lines and fittings, exploded view.
(3) Drain the coolant from the radiator and
(2) Clean the cooling fan and water pump
cylinder block. Disconnect coolant hoses and by-pass
with a cloth dampened with cleaning solvent (fed. spec.
tube from the water pump (para 4-29). Remove the
P-D-680) ; dry thoroughly.
three cap screws (4, 6, and 8) and lock washers (5, 7,
(3) Inspect the fan belt for cracks, brittleness,
and 9) that secure the water pump (10) to the cylinder
severe glazing, and other damage; replace a damaged
block; remove the water pump and gasket (11).
fan belt.
c. Cleaning and Inspection.
(4) Inspect the cooling fan for cracked, bent,
loose, or severely nicked fan blades, damaged or
(1) Clean the fan belt with a clean, dry cloth.
elongated mounting holes, or other damage; replace a
damaged cooling fan.
4-21
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