Section 9 - Drive Units Fuel Pump and Compressor Drive - Rebuild (9-02) M11 Page 9-11 Assembly Install the drive gear (1) in an arbor press. Support the gear as shown. NOTE: Make sure the part number side of the gear faces down. Install the largest diameter end of the shaft (2) through the gear bore (3). Align the keyway in the gear (4) with the dowel pin in the shaft (5). Place accessory drive assembly tool, Part No. 3823581, over the top (smaller diameter) end of the shaft. Use the arbor press to press the shaft into the gear until the tool comes into contact with the gear surface. Remove the tool and measure the shaft as shown to be sure the gear is at the correct location on the shaft.
Drive Gear/Shaft Installation Depth mm in 40.91 MIN 1.611 40.97 MAX 1.613 Use clean 15W-40 oil to lubricate the shaft bore and thrust bearing surface of the housing. Install the shaft and gear assembly into the housing.