TM 10-4320-344-244.4.20 CrankshaftAssemblyMaintenance,Models609-CandUS636HCCD-1.(Continued)Figure 4-36. Crankshaft Assembly Replacement, Models 609-C and US636HCCD-1.4.4.20.2 Repair.a.b .c .d.e .f .g.D o not use cleaning solvent without proper ventilation and clothing.D o not smoke or use near open flame or excessive h e a t.Dry cleaningsolvent is potentially dangerous to personnel and property.Cleanparts in a well-ventilated area.Avoid inhalation of solvent fumes.Wear goggles and rubber gloves to protect eyes and skin.Washexposed skin thoroughly.Failure to obey this warning may result inpersonal injury or death.To prevent the possibility of embedding foreign objects in the eyes,safety glasses must be worn when using-compressed air.Clean all components with cleaning solvent.Clean oil passages in crankshaft (5) with tube brush.Using compressed air, thoroughly dry all components.Inspect bolts (1) for distortions, damaged threads, cracks, or bends.Inspect bearing caps (3) for cracks, distortions, and damage.Inspect dowels (8) and plugs (11) for cracks, dents, burrs, or damage.Measure and record all crankshaft journals at points 1 and 2 in planes "a" and“b” as shown in Figure 4-37.Acceptable values are listed in Table 4-15.4-72
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