Yamaha F100C Service Manual page 333

At specified
level?
Yes
Measure the hydraulic pressure.
(for F100B)
Out of specifi-
cation?
Yes
Disassemble the power trim and
tilt unit, and then check the filter
for debris or dirt.
Debris or dirt?
No
Check the fluid passages for
clogs or debris.
Clogs or debris?
No
Check the internal parts (valves,
pistons, gears, etc.).
62Y5A11
No
Add fluid to the correct level.
No
Check the power trim and tilt
unit for leaks.
Yes
Clean or replace the filters.
Yes
Clean the passages.
Bracket unit
1
2
3
4
5
6
7
8
9
9-12