hitachi — Removal and Installation of Pump Device

BODY (UPPERSTRUCTURE) / Pump Device 8. Connect hoses (5) (2 used) to main pump (6). : 19 mm 5 6 : 29.5 N m (3 kgf m, 21.5 lbf·ft) : 22 mm Control Valve : 39 N m (4 kgf m, 28.5 lbf·ft) 9. Install suction filter (3) to hydraulic oil tank (4). Add hydraulic oil to hydraulic oil tank (4). Install cover (2) to hydraulic oil tank (4) with sems bolts (1) (6 used). Fill the hydraulic oil tank with hydraulic oil. Loosen the bleeder valve and bleed the air. W4GB-02-04-012 1 2 : 15 N m (1.5 kgf m, 11 lbf·ft) 10. Install the cab with the cockpit attached. (Refer to REMOVAL AND INSTALLATION OF CAB on W2-1.) : 14 mm 3 4 W4GB-02-03-010 W2-6-6