69J1D11
7-34
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Checking the reservoir
1. Check the reservoir for cracks or corro-
sion. Replace if necessary.
Checking the tilt cylinder and trim
cylinder
1. Check the power trim and tilt unit for
cracks or corrosion. Replace if neces-
sary.
2. Check the inner walls of the cylinder
block and tilt cylinder for scratches.
Replace if necessary.
3. Check the outer surface of the tilt piston
1
, trim piston
2
, adapter
3
, free piston
4
, and oil seal of end screw
5
for
scratches. Replace if necessary.
4. Check the trim and tilt rams for bends or
excessive corrosion. Polish with #400–
600 grit sandpaper if there is light rust or
replace if necessary.
5. Check the pipes for cracks or corrosion.
Replace if necessary.
Checking the valves
1. Check the operation of the tilt piston
absorber valves and the valves for dirt or
residue. Clean if necessary.
Power trim and tilt unit
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