UPPERSTRUCTURE / Control Valve Disassemble Check Valve-2 14. Remove cap (60), check valve (37) and spring (36) from housing (1). : 14 mm Disassemble Main Relief Valve IMPORTANT: Do not disassemble the main relief valve. When the main relief valve is disassembled, pressure must be adjusted. 15. Remove the cap (46) assembly (38 to 55) from housing (1). : 41mm IMPORTANT: As pilot seat (50) is installed to cap (46), do not disassemble pilot seat (50). 16. Remove sleeve (55) from cap (46) . Remove spring (53) and main poppet (54) from sleeve (55). IMPORTANT: Put the matching marks on adjusting screw (38), lock nut (40) and sleeve (42). Record the rotation number of adjusting screw (38). 17.
Loosen lock nut (40). Remove adjusting screw (38) from sleeve (42). Remove piston (41), spring (48) and poppet (49) from sleeve (42). 30 mm, 22 mm IMPORTANT: Put the matching marks on sleeve (42), lock nut (45) and cap (46). Record the rotation number of sleeve (42). 18. Loosen lock nut (45). Remove sleeve (42) from cap (46). : 41 mm Disassemble Flow Combiner Valve 19. Remove cap (64), spring (63), spacer (62) and spool (61) from housing (1). : 46 mm W2-5-31