TOHATSU BFT115A Service Manual page 643

INSTALLATION
• Do not reuse O-rings and oil seals.
• Do not use a shop towel or equivalent cloth, and do
not wear gloves during this operation.
• Do not reuse the drained ATF.
• When operation is made by holding the cylinder in a
vise, do not tighten the vise excessively.
• Add ATF slowly.
• Assemble the power trim/tilt with the piston rod and
piston rod B fully extended. Do not push in the piston
rod and piston rod B.
• Do not allow dust, dirt, and other foreign material to
enter the cylinder and the pump during assembly.
• After assembly, coat the joints or mating sections of
the parts and the sections where the paint came off
with rust preventive paint of the same color.
Clean the parts with the fresh ATF and blow each port
with compressed air to remove dust and dirt. Check that
the parts are clean before assembly.
Hold the cylinder (1) in a vise (2) with shop towel or soft
jaws as shown.
Do not tighten the vise excessively, as it can damage
the cylinder.
3
Pour approximately 30 cm
piston rod chamber of the cylinder (1).
RECOMMENDED OIL:
Genuine Honda Automatic Transmission Fluid
(ATF) DEXRON ® , or equivalent
Apply ATF to a new O-ring (2) and new backup ring (3).
Install the backup ring and O-ring on the free piston (4).
Install the backup ring on the free piston with care not to
break it.
Apply ATF to the circumference of the free piston and
push it in the piston rod chamber slowly until it bottoms
out.
After fully installing the free piston, pour the fresh ATF
slowly up to the top of the piston rod chamber of the
cylinder.
(1.0 fl oz) of ATF into the
(2)
(4)
Pour slowly up to the
top of the piston rod
chamber
TRIM/TILT
(1)
(3)
(2)
(1)
19-31