Removing Tilt Cylinder; Inspection Of Tilt Cylinder - TOHATSU MFS25 Service Manual

Bracket

20) Removing Tilt Cylinder

1. Retract tilt rod.
Use vise to fix PTT unit 1 that is protected at both sides with
2.
wood pieces or aluminum plates a.
Secure joint 2 and loosen nut 3 by using wrench, and
3.
remove joint 2 and nut 3.
Use 36mm deep socket to loosen tilt cylinder 4, stretch tilt
4.
rod and remove tilt cylinder 2.
Loosen tilt cylinder with tilt rod retracted, and
then, remove with tilt rod fully stretched.
Before removing tilt rod, make sure it is
fully extended to reliese high pressure in
the tilt cylinder.
5. Drain PTT fluid.
Remove inner tube ass'y from tilt cylinder 5 (including inner
6.
tube 6, tilt rod ass'y 7,and free piston 8).
Remove tilt rod ass'y 7 and free piston 8 from inner tube 6.
7.

21) Inspection of Tilt Cylinder

Check tilt cylinder 1 and inner tube 2 for scratch and
1.
damage on the inner and outer wall. Replace if necessary.
Check tilt rod ass'y 3 and free piston 4 for scratch and
2.
damage on their surfaces. Replace if necessary.
Check tilt rod 3 for bend and excessive corrosion. Use sand
3.
paper of No. 400 to 600 to remove moderate corrosion, or
replace if necessary.
Tilt cylinder dust seal and O-ring are not
reusable. Be sure to replace.
7-26
CAUTION
2
a
4
5
6
1
2
3
1
a
7
8
3
4
25/30 2006