Hitachi ZX200-5G Workshop Manual page 271

 Assembly of Bucket Flow Rate Control Valve
14. Install O-rings (95, 90) to plugs (96, 89).
15. Install spring (93), spool (92), spring seat (94), and
plug (96) to body (91).
j : 27 mm
16. Install plug (89) to body (91).
17. Install poppets (83, 84), springs (85, 87), plug (86),
and sleeve (88) to housing (1).
18. Install O-rings (13, 77) to housing (1). Install body
(91) to housing (1) with socket bolts (97) (4 used).
l : 8 mm
m : 62 N·m (6.2 kgf·m, 46 lbf·ft)
 Assembly of Flow Combiner Valve
19. Install spring seats (71) (2 used) and spring (72) to
bolt (70). Install bolt (70) to spool (73).
20. Install spool (73) and O-ring (4) to housing (1).
Install cap (69) to housing (1) with socket bolts (68)
(2 used).
l : 5 mm
m : 10 N·m (1 kgf·m, 7.4 lbf·ft)
SECTION 3 UPPERSTRUCTURE
Group 9 Control Valve
W3-9-3-15
 Assembly of Bypass Shut-Out Valve
21. Install spool (105), spring (106), and O-ring (4) to
housing (1). Install flange (107) to housing (1) with
socket bolts (6) (4 used).
l : 8 mm
m : 62 N·m (6.2 kgf·m, 46 lbf·ft)
22. Install plugs (8) (3 used) and O-rings (7) (3 used) to
housing (1).
 Assembly of Overload Relief Valves (20, 74)
IMPORTANT: If the overload relief valve has been
disassembled, pressure should be adjusted.
(Refer to TROUBLESHOOTING / Operational
Performance Test in the separated volume, T/M.)
23. Install O-rings (19) (4 used) to overload relief valves
(20, 74) (2 used for each). Install overload relief
valves (20, 74) (2 used for each) to housing (1).
j : 32 mm
m : 85 N·m (8.5 kgf·m, 63 lbf·ft)