Cummins — DRIVE UNITS - GROUP 09

Section 9 - Drive Units Hydraulic Pump Drive - Cleaning and Inspection for Reuse (9-03) M11 Page 9-13 Rotate the drive shaft to check for correct assembly. Measure the drive shaft end clearance. Drive Shaft End Clearance mm in 0.10 MIN 0.004 0.30 MAX 0.012 If the drive shaft end clearance does not meet these specifications, disassemble the drive and inspect the gear and thrust bearing positions. If the drive gear and thrust bearing are within specifications, the fuel pump and com- pression drive housing must be replaced. Hydraulic Pump Drive - Cleaning and Inspection for Reuse (9-03) Cleaning Remove all gasket and o-ring material from surfaces (1) and (2). Discard the gaskets and o-ring.

Clean the parts with solvent, dry with compressed air. NOTE: Do not remove the gear from the shaft. If the parts are damaged refer to Hydraulic Pump Drive - Rebuild (9-04). Inspection Visually inspect the hydraulic pump drive and rear adapter for cracks and fretting on the pump flange mounting sur- face. Visually inspect the gear for broken or abnormally worn teeth. Inspect the shaft inner spline for wear. Replace any parts that are damaged.