UPPERSTRUCTURE / Control Valve Assemble Control Valve (5-Spool Control Valve) 1. Install O-rings (3) (5 used) to housing (30). Install covers (31) (2 used) and (32) to housing (30) with socket bolts (1) (9 used). 6. Install O-rings (3) (5 used) to housing (30). Install cover (2) to housing (30) with bolts (1) (6 used). : 10 mm : 10 mm : 100 N m (10 kgf m, 74 lbf ft) : 100 N m (10 kgf m, 74 lbf ft) IMPORTANT: Apply LOCTITE #262 to the thread part of bolt (4). 2. Install spring guide (5), sleeve (6), spring (7) and spring guide (5) to spools (8, 10, 12, 20, 28) with bolt (4). : 10 mm : 100 N m (10 kgf m, 74 lbf ft) 3. Install O-ring (16) and backup ring (17) to cap (18).
Install check valve (13), sleeve (15) and spring (14) to spool (12). Install cap (18) to spool (12). : 80 N m (8 kgf m, 59 lbf ft) 4. Install O-ring (24) and backup ring (25) to cap (26). Install check valve (21), sleeve (23) and spring (22) to spool (20). Install cap (26) to spool (20). : 10 mm : 8 mm : 80 N m (8 kgf m, 59 lbf ft) IMPORTANT: Apply hydraulic oil onto the surface of the spool (8, 10, 12, 20, 28) assemblies. 5. Rotate and install spools (8, 10, 12, 20, 28) to housing (30) slowly. W2-5-63