Valve Block Removal; Memory Piston Removal - Mercury 40 Service Manual

Valve Block Removal

1. Remove two screws from the shock rod cylinder
to separate the valve block.
b
c
a - Screw
b - Valve Block
c - Shock Rod Cylinder
2. Remove o-rings and dowel pins.
b
a - O-ring (2)
b - Dowel Pin (2)
5F-22 - MID-SECTION
a a a
51146
a
51148

Memory Piston Removal

1. Remove memory piston from cylinder using one
of two methods:
a. Using lock ring pliers.
b. Blowing compressed air into center o-ring
hole.
WARNING
Memory piston cup may be expelled at a high
velocity when air pressure is applied. Failure to
place cylinder as shown below could result in
personal injury.
NOTE: Point cylinder opening down and away. Use
a shop rag or towel to avoid damage to the memory
piston. Fluid will blow out also.
b
a - Adaptor/Air Hose
b - Memory Piston Exit
c - Shop Rag
51144
a a a
c
55466
90-852572R1 JANUARY 1998