UPPERSTRUCTURE / Solenoid Valve REMOVE AND INSTALL SOLENOID VALVE CAUTION: Release any pressure in the hydraulic oil tank before doing any work. (Refer to BLEED AIR FROM HYDRAULIC OIL TANK on W1-4-1.) Removal 1. Remove bolts (2) (4 used). Remove covers (1) (2 used) from the main frame. 2 2 1 : 19 mm 2. Remove all hoses, pipes and connectors (5) (4 used) from solenoid valve (3). Attach an identification tag onto the removed hoses for assembling. Cap the hose and solenoid valve (3). W1J1-02-05-061 : 17 mm, 19 mm 3. Remove bolts (6) (2 used). Remove solenoid valve (3) from control valve (4). W1J1-02-10-001 4 3 : 17 mm 5 6 W1JB-02-09-005 W2-9-1 Signal Control Valve 3 4 Signal Control Valve