Section 8 - Cooling System - Group 08 Fan Hub - Cleaning and Inspection for Reuse (8-03) M11 Page 8-23 Fan Hub - Cleaning and Inspection for Reuse (8-03) Cleaning Warning: When using a steam cleaner, wear protective clothing and safety glasses or a face shield. Hot steam will cause serious personal injury. Use solvent or steam to clean the fan hub exterior. Dry with compressed air. Inspection Visually inspect the fan hub for indication of oil seal leak- age. Visually inspect the fan hub for cracks or damage. Turn the fan hub shaft by hand to inspect the fan hub for freedom of rotation. Measure the fan hub shaft end clearance.
Shaft End Clearance mm in 0.076 MIN 0.0030 0.406 MAX 0.0160 If damaged parts are found, the shaft does not rotate freely or the shaft end clearance is not within the speci- fications, the fan hub must be rebuilt or replaced. Fan Hub (Belt Driven) - Rebuild (8-04) Disassembly Install the flange in a vise with brass jaws, and with the fan mounting flange face up. Remove the retaining capscrew and washer.