Memory Piston Removal - Mercury 40 Service Manual

10. Remove inner o-ring from shock rod piston.
a
a - Shock Piston
b - O-ring
11. Remove cylinder end cap assembly from shock
rod.
12. Inspect shock. If wiper (located in cap) has failed
to keep rod clean, replace wiper.
13. Place end cap on clean work surface.
14. Remove rod wiper, inner o-ring, and outer o-ring.
a
a - Rod Wiper
b - Inner O-ring
c - Outer O-ring
90-852572R1 JANUARY 1998
b
51199
c
b
51145

Memory Piston Removal

15. Remove memory piston from cylinder using one
of two methods:
a. Using lock ring pliers (P/N 91-822778A3) or
suitable tool.
b. Blowing compressed air into manual release
valve hole using air nozzle.
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.
b
c
a - Adaptor
b - Air Hose
c - Memory Piston Exit
d - Shop Rag
a
d
MID-SECTION - 5C-31