hitachi — ASSEMBLE REGULATOR (FAN PUMP)

UPPERSTRUCTURE / Pump Device 14. Install spring (15), spring seat (14) and retaining ring (13) to spool (19). 15. Install O-ring (4) to sleeve (5). Install sleeve (5), compensating piston (6), O-ring (3), sleeve (2) and pin (1) to housing (48). 16. Install spring (16) and O-rings (59, 60, 61) to housing (48). Install cover (62) with socket bolts (63) (4 used). : 5 mm : 12 N m (1.2 kgf m, 8.9 lbf ft) 17. Install O-rings (34) and (35) (3 used) to cover (33). 18. Install cover (33) to housing (48) with socket bolts (32) (4 used). : 5 mm : 12 N m (1.2 kgf m, 8.9 lbf ft) 19. Install solenoid valve (65) to cover (62) with socket bolts (66) (2 used). 20.

Install the regulator to the pump with socket bolts (36) (2 used) and (37) (2 used). : 6 mm : 20 N m (2 kgf m, 15 lbf ft) W2-4-69