347
TRIM AND TILT
SERVICING – THREE PISTON SYSTEM
13
Fill the oil reservoir up to the fill plug with
Evinrude/Johnson Biodegradable TNT Fluid.
Install the fill plug.
Run the motor, then recheck oil level. Cycle the
unit several times and check the oil level when the
cylinder is fully extended. Oil should be level with
bottom of fill port. Install and tighten the fill plug to
a torque of 45 to 55 in. lbs. (5 to 6 N·m).
SERVICING – THREE
PISTON SYSTEM
Disassembly
Thoroughly clean the unit before disassembling.
Scrub all outside surfaces with a stiff brush and
hot, soapy water to prevent surface dirt from con-
taminating internal parts.
Always use a lint free shop cloth when handling
power trim/tilt components.
If painting the unit is required, paint it after it is
completely assembled. Painting of individual com-
ponents may cause flakes of paint to enter the
hydraulic passages during assembly. Tape the
trim/tilt piston rods before painting.
1. Reservoir cap 004278
WARNING
Before removing the manual release valve,
operate the unit to the full UP position,
then run the unit down momentarily and
loosen the reservoir cap one full turn.
To avoid personal injury, always wear eye
protection when servicing the hydraulic
unit. Since there might be significant
residual pressure behind some compo-
nents, cover each component with a shop
cloth as you remove it.
CAUTION
Do not apply heat to the cylinder body or
cylinders. Excessive heat can cause high
pressure leaks or failure of parts.
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