hitachi — REMOVE AND INSTALL SIGNAL CONTROL VALVE

UPPERSTRUCTURE / Signal Control Valve Installation 1. Install bracket (7) to signal control valve (5) with socket bolts (6) (4 used). : 65 N m (6.5 kgf m, 48 lbf ft) : 8 mm CAUTION: Signal control valve (5) + bracket (7) weight: 21 kg (46 lb) 2. Attach a nylon sling onto the body of signal control valve (5). Hold signal control valve (5). Install the signal control valve (5) assembly to the control valve with bolts (8) (3 used). : 22 mm Control Valve : 140 N m (14 kgf m, 103 lbf ft) 3. Install all connectors, hoses and pipes to signal control valve (5). W1V1-02-09-002 5 6 : 19 mm Clip Band : 30 N m (3.0 kgf m, 22 lbf ft) : 22 mm : 40 N m (4.0 kgf m, 30 lbf ft) 4.

Wind the clip band to the hanging hose. Secure the clip band to bracket (7) with bolt (4). : 17 mm 7 4 : 50 N m (5.0 kgf m, 37 lbf ft) 5. Install covers (1, 2) with bolts (3) (4 used). Control Valve : 17 mm : 50 N m (5.0 kgf m, 37 lbf ft) W1V1-02-09-001 W1V7-02-08-001 W2-9-2 5 6 8 7 5 8 8 2 1 3