ARMY TM 9-6115-464-12AIR FORCE TO 35C2-3-445-1NAVY NAVFAC P-8-624-124-41COOLINGFAN.a.Removal.(1) Remove right side fan guard (paragraph 4-38a (1)).(2) Remove v-belt as outlined in paragraph 4-40.(3) Remove capscrews (2, Figure 4-25), lockwashers (3) and fan (4).b. Cleaning and Inspection.(1) Clean cooling fan with a clean lint-free cloth moistened with an approved solvent.(2) Inspect fan for bent blades, dents, cracks, corrosion and other damage.(3) Check all threaded parts for stripped or otherwise damaged threads.(4) Replace fan if damaged beyond simple repair.c.Installation.(1)(2)(3)(4)Install fan (4, Figure 4-25), lockwashers (3), and capscrews (2).Install and adjust v-belt as outlined in paragraph 4-40 above.install right side fan guard (paragraph 4-38a (1)).When installing cooling fan, use the following procedures to insure that thefan is not inatalled backward. Equipment damage could result if caution isnot observed.When standing in front of the engine, rotation of the fan will be clockwise. install the fan so that the leadingedges of the fan bldes will be toward the radiator, The trailing edge (concave side) must be toward theengine.NOTEAfter installation of the fan, and prior to tightening the belt and starting the engine,rotate the fan to insure that the fan blades have sufficient clearance.4-42 WATER PUMP.a.Removal.(1)(2)(3)(4)(5)Drain radiator (paragraph 3-27).Remove radiator hoses from water pump (paragraph 4-38a).Remove cooling fan as described in paragraph 4-41 above.Remove capscrews (5, Figure 4-25), lockwashers (6) and nut (10) to remove water pump (7) andgasket (8).Do not remove fan pulley (9) unless inspection reveals damage.b. Cleaning and Inspection.(1) Clean water pump with a stiff-bristle brush and an approved solvent.(2) inspect water pump for cracks, corrosion, evidence of leaks, and other damage.(3) Check all threaded parts for stripped or otherwise damaged threads.4-64
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