Hitachi ZX200-5G Workshop Manual page 263

 Disassembly of Boom Anti-Drift Valve (Check Valve)
33. Remove socket bolts (6) (4 used). Remove body
(40), O-rings (13) (3 used), and O-rings (77, 78) from
housing (1).
l : 8 mm
34. Remove plugs (80, 82) and O-rings (79, 81) from
body (40).
35. Remove spring (76) and poppet (75) from housing
(1).
 Disassembly of Bypass Shut-Out Valve
36. Remove socket bolts (6) (2 used). Remove flange
(107) and O-ring (4) from housing (1).
l : 8 mm
37. Remove spring (106) and spool (105) from housing
(1).
38. Remove socket bolts (104) (4 used). Remove cap
(103) and O-ring (102) from housing (1).
l : 8 mm
39. Remove plugs (8) (3 used) and O-rings (7) (3 used)
from housing (1).
l : 8 mm
SECTION 3 UPPERSTRUCTURE
Group 9 Control Valve
W3-9-3-7