Mercury 90 - Valve Block Disassembly

90-830234R3 DECEMBER 1997 MID-SECTION - 5E-23
2. Remove O-ring from memory piston.
a
b
51144
a - O-Ring
b - Memory Piston
Valve Block Disassembly
1. Remove check retainer plug and components.
2. Remove hydraulic oil transfer valve plugs and
components.
51142
a - Transfer Valve Plug Assembly (2)
b - Check Retainer Plug or Screw Assembly
3. Remove surge valve assembly.
a
b
c
d
a - Spool
b - Spring
c - O-ring
d - Screw Plug
4. Remove screw and remove cam assembly.
a
b
c
d
e
a - Spacer Retainer Clip
b - Retainer Clip
c - Screw
d - Shaft Seal
e - Cam