Check The Valves; Checking The Filters - Yamaha F50A Service Manual

BRKT
3. Check the outer surface of the tilt piston
and free piston for scratches. Replace if
necessary.
4. Check the tilt ram for bends or excessive
corrosion. Polish with #400–600 grit
sandpaper if there is light rust or replace
if necessary.

Check the valves

1. Check the operation of the check valve
a of the trim cylinder end screw and
check the valve for dirt or residue. Clean
if necessary.
2. Check the operation of the tilt piston
absorber valve and check for dirt or resi-
due. Clean if necessary.
7-65
Bracket unit
3. Check the down-main valve 1 and the
up-main valve 2 for dirt or residue.
Clean if necessary.
4. Check the down-relief valve 3, up-relief
valve 4, and shuttle pistons 5 for dirt or
residue. Clean if necessary.

Checking the filters

1. Check the gear pump filter 1 and shuttle
piston filters 2 for dirt or residue. Clean if
necessary.
62Y3A11