Mercury 40 Service Manual page 397

8. Inspect check valve for debris; clean debris from check valve if found. If debris cannot
be cleaned from check valve, replace shock piston as an assembly.
9. Clean shock and components with compressed air.
10. Remove inner O-ring from shock rod piston.
a -
b -
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 -
b -
c -
90-828631R3 MARCH 1999
a
Shock Piston
O-ring
a
Rod Wiper
Inner O-ring
Outer O-ring
b
51199
c
b
51145
POWER TRIM
Page 5C-35