Mercury 45 Jet 50-55 Service Manual page 212

4. Place trim rod into soft jawed vise and apply heat
to shock piston using torch lamp (P/N 91-63209).
5. Loosen trim rod piston using spanner wrench (1/4
in. x 5/16 in. long pegs).
6. Allow trim rod piston to cool, remove from trim rod.
a - Trim Rod Piston
b - Spanner Wrench
5B-24 - MID-SECTION
51146
b
a
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CAUTION
Do not remove check ball components from trim
rod piston. Removal and reinstallation of check
valve could result in improper operating pressure
and possible power trim system damage. If check
valve is defective, replace trim rod piston.
7. Remove inner O-ring from piston.
a
a - Check Ball Components
b - O-ring
c - Piston
8. Remove rod wiper, inner O-ring and outer O-ring.
a
a - Rod Wiper
b - Inner O-ring
c - Outer O-ring
c
b
51199
51147
c
b
51145
90-817643R1 DECEMBER 1996