TOHATSU BFT115A Service Manual page 652

TRIM/TILT
Remove the oil tank cap (1) and check if the ATF is at
the upper limit of the filler port (2).
Push the "DN" side of the power tilt switch (3) to
compress each rod fully.
Push the "UP" side of the power tilt switch to extend
each rod fully again, and read the pressure gauge (4) to
measure the lower chamber hydraulic pressure.
LOWER CHAMBER HYDRAULIC PRESSURE:
13,239 – 15,691 kPa
(135 – 160 kgf/cm
If a sharp pressure drop is observed, check the power
tilt motor for a damaged oil seal.
If the hydraulic pressure is lower than the specified
pressure, check for oil leaks.
Measure the upper chamber hydraulic pressure (page
19-40).
Upper chamber hydraulic pressure
After measuring the lower chamber hydraulic pressure,
remove the special tools (oil pressure gauge joint B and
oil pressure gauge) with each rod fully extended.
• A small amount of oil will flow out when the manual
valve is removed. Catch it with a container.
Install the special tool to the manual valve installation
area as shown and tighten it to the specified torque.
TOOL:
Oil pressure gauge joint A (1)
TORQUE: 9 N·m (0.92 kgf·m, 6.6 lbf·ft)
Attach a commercially available pressure gauge (PF 1/
4) (2) which measures 18,633 kPa (190 kgf/cm
psi) or above to the special tool (oil pressure gauge joint
A).
19-40
2
, 1,920 – 2,276 psi)
07SPJ-ZW10100
2 , 2,702
(1)
(2)
(3)
(4)
(2)
(1)