Checking The Tilt Cylinder And Trim Cylinder - Yamaha F150A Service Manual

Checking the tilt cylinder and trim
cylinder
1. Disassemble the tilt piston assembly.
2. Check the tilt piston and free piston for
scratches. Replace if necessary.
3. Blow the tilt piston absorber valve with
compressed air to remove any foreign
material. Check the valve for wear and
the spring for deterioration. Replace if
necessary.
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4. Check the tilt ram for bends or excessive
corrosion. Polish with 400- to 600-grit
sandpaper if there is light rust or replace
if necessary.
5. Check the trim pistons for scratches.
Replace if necessary.
6. Check the trim rams for bends or exces-
sive corrosion. Polish with 400- to 600-
grit sandpaper if there is light rust or
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replace if necessary.
7. Check the inner walls of the trim and tilt
cylinders for scratches. Replace if neces-
sary.
Power trim and tilt unit
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