Hitachi RTX 900 - Manual (Page 16)

Valve Plate
16 311772G
Valve Plate
Use Valve Plate Repair Kit 288610.
Disassembly
1. Relieve Pressure, page 6.
2. Unplug sprayer from outlet.
3. Remove Shroud, page 7.
4. Remove RotoFlex
™
II Pump hose; page 9 or 10.
5. Remove Compressor, page 12.
6. Remove muffler (110) from head (74) by pulling
straight out by hand.
7. Use 1/2 in. socket to loosen and remove three bolts
(100) from head (74).
8. Use flat-blade screwdriver to pry head (74) from top
of valve plate (75) and cylinder (76) from bottom of
valve plate (75).
Reassembly
1. Replace valve plate (75) with ribs facing up toward
ribs on head (74).
2. Replace three bolts (100) and use 1/2 in. socket to
tighten into head (74). Torque all three bolts to 75
in-lb, then torque all bolts again to 210 in-lb.
3. Replace Compressor, page 12.
4. Replace RotoFlex
™
II Pump hose; page 9 or 10.
5. Replace Shroud, page 7.
ti2810b
100
74
75
76
110
ti8887a