UPPERSTRUCTURE / Pump Device 29. Remove special tool (ST7094) from casing (11). Install plug (20) to casing (11). Remove special tool (ST 7923) from head cover (31). Install O-ring (43) to stopper L (44). Install stopper L (44) to head cover (31) with socket bolts (34) (4 used) and spring washers (33) (4 used). CAUTION: Main pump weight: 67 kg (148 lb) 31. Align feedback pin (26) in the pump with the notches on sleeves (2 used) in regulator (4). Install regulator (4) to casing (11). 32. Install regulator (4) to casing (11) with socket bolts (5) (4 used) and spring washers (6) (4 used). : 6 mm : 20 N m (2 kgf m, 15 lbf ft) : 49 N m (5 kgf m, 36 lbf ft) : 8 mm : 8 mm :
49 N m (5 kgf m, 36 lbf ft) 33. Install drive gear (2) to drive disc (49). 34. Install retaining ring (1) to drive disc (49). 33, 34 43, 44 20 W1V7-02-04-021 30. Apply grease to O-rings (3, 12). Install O-rings (12) (5 used) and (3) to the regulator mounting surface of casing (11). NOTE: Check that spring pins (13) (2 used) are installed. W2-4-43 ST 7923 ST 7094