TOHATSU BFT115A Service Manual page 650

TRIM/TILT
8. With the rods extended fully, push the "UP" side of
the power tilt switch (1) until relief valve opens
again. Push the "DN" side of the power tilt switch,
and be sure that the rods compress.
If the rods extend and compress fully, go to the
hydraulic pressure check (page 19-39).
9. If the rods do not compress after the step 8
operation, push the "DN" side of the power tilt switch
while pushing the piston rod B (2), and check if the
rods compress.
If the rods extend and compress fully, go to the
hydraulic pressure check (page 19-39).
10.If the rods still do not compress after the step 9
operation, loosen the manual valve (3) and
compress each rod. Tighten the manual valve
securely again. Push the "UP" side of the power tilt
switch to extend the rods fully, then push the "DN"
side of the switch and check whether the rods
compress fully.
If the rods extend and compress fully, go to the
hydraulic pressure check (page 19-39).
11.If the rods do not compress after the above
operations, perform the following.
– Disassemble and assemble the power trim/tilt (page
19-25).
– Bleed air with the power trim/tilt not mounted on the
outboard motor (page 19-37).
19-38
(1)
(2)
(3)