VANE AXIAL COOLING FAN ASSEMBLIES REPAIR (CONTINUED)

VANE AXIAL COOLING FAN ASSEMBLIES REPAIR (CONTINUED) - TM-9-2350-267-34_119

TM-9-2350-267-34 Hull Powerpack Drive Controls Tracks Suspension and Associated Components Carrier Ammunition Tracked Manual
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5-24 VANE AXIAL FAN ASSEMBLIES REPAIR (CONTINUED) AC Replace key plate (39) if unserviceable. AD AE AF AG Measure OD of gear shaft (29) at (A). Replace shaft (29) if OD (A) is not 0.9835-0.9840 inch. Measure OD of gear shaft (29) at (B). Replace shaft if OD (B) is not 0.9839-0.9843 inch. Measure OD of gear shaft (29) at (C). Normal size 0.9950- 1.0020 inch. Wear limit 0.9930 inch. Measure concentricity of gear shaft (29) A to B to C. Con- centricity should be within 0.0010 inch TIR (Total In- dicator Reading). TM 9-2350-267-34 AH Replace gasket (44). AI Check gear box housing (26) for cracks or distortion. Replace gear box housing (26) if defective. AJ Check impeller (3) for nicks, cracks or broken vanes. Replace impeller (3) if defective. TA309757

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