Section 9 - Drive Units Hydraulic Pump Drive - Rebuild (9-04) M11 Page 9-15 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 splines for wear. Replace any parts that are damaged. If the part being inspected does not meet the specifica- tions given, the part must be replaced. Measure the drive shaft outside diameter in two positions 90 degrees apart at points (1, 2 and 3). Drive Shaft O.D. mm in 34.984 MIN 1.3773 35.000 MAX 1.3780 Measure the inside diameter of drive gear bore. Drive Gear Bore I.D.
mm in 34.925 MIN 1.3750 34.950 MAX 1.3760 Visually inspect the rear adapter thrust surface for scor- ing, excessive wear or other damage. Measure the inside diameter of the rear adapter bore. Rear Adapter Bore I.D. mm in 41.967 MIN 1.6522 41.992 MAX 1.6532 If scoring, excessive wear or damage is found or the bore inside diameter is not within the specifications given, the adapter must be replaced.