UPPERSTRUCTURE / Control Valve Disassemble Control Valve (5-Spool Housing Side) Disassemble Arm Anti-Drift Valve 8. Remove socket bolts (10) (4 used). Remove cover (14), O-rings (17) (4 used), (19) from housing (41). Disassemble Bypass Shut-Out Valve 1. Remove cap (22) from housing (41). : 46 mm 2. Remove spool (24) and spring (25) from housing (41). Disassemble Load Check Valve-1 3. Remove cap (26), check valve (29), spring (30) and check valve (31) from housing (41). : 12 mm 9. Remove spring (20) and poppet (21) from housing (41). 10. Remove cap (1), spring (3) and poppet (4) from cover (14). : 14 mm Disassemble Load Check Valve-2 4.
Remove cap (32), check valve (29), spring (30) and check valve (31) from housing (41). : 8 mm 11. Remove cap (13) and piston (11) from cover (14). : 14 mm Disassemble Load Check Valve-3 5. Remove cap (33), check valve (29), spring (30) and check valve (31) from housing (41). : 30 mm 12. Insert the pipe (inner dia.: 7 mm, outer dia.: 10 mm, length: 15 mm) into the hole on cap (13). Tap and remove sleeve (7) through the hole on cap (1). 13. Remove cap (18), spring (16) and check valve (15) from cover (14). : 14 mm Disassemble Load Check Valve-4 6. Remove cap (34), check valve (29), spring (30) and check valve (31) from housing (41). : 5 mm 14.
When replacing O-rings (40) (4 used), remove socket bolts (38) (16 used) from flanges (39) (4 used). 15. When replacing O-ring (37), remove cap (36) from housing (41). : 14 mm Disassemble Load Check Valve-5 7. Remove cap (35), spring (30) and check valve (31) from housing (41). : 14 mm W2-5-19