Section 9 - Drive Units Accessory Drive Pulley - Cleaning and Inspection for Reuse (9-05) M11 Page 9-17 The drive shaft end clearance must be checked with the hydraulic pump drive assembly installed on the engine. Measure the drive shaft end clearance. Drive Shaft End Clearance mm in 0.076 MIN 0.0030 0.635 MAX 0.0250 If the drive shaft end clearance does not meet the speci- fications, the front and rear support thrust surfaces are worn excessively. Replace the rear supports and recheck. If the end clearance is still excessive, the gear housing must be replaced.
Accessory Drive Pulley - Cleaning and Inspection for Reuse (9-05) Cleaning Clean the accessory drive pulley with solvent, dry with compressed air. Inspection Visually inspect the entire pulley for cracks, dents and severe wear. Pay special attention to the belt groove area. Visually inspect the pulley bore, keyway and pulley hub on the back side of the pulley. Visually inspect the pulley hub to shaft shoulder contact area for fretting. The pulley must be replaced if any of the above condi- tions are found. Measure the inside diameter of the pulley bore. Drive Pulley Bore I.D.
mm in 35.060 MIN 1.3803 35.098 MAX 1.3818 The pulley must be replaced if the pulley bore does not meet the specifications given.