Yamaha F115A Wartungshandbuch Seite 436

LOWR
BACKLASH (REGULAR ROTATION MODELS)
6950
6980
6990
Measuring steps
(1) Set the shift rod into the neutral posi-
tion.
Shift rod wrench
YB-06052 / 90890-06052
(2) Load the reverse gear by installing the
propeller without the spacer 1 and
then tighten the propeller nut.
Propeller nut
10 Nm (1.0 m • kgf, 7.2 ft • lb)
(3) Install the backlash indicator onto the
drive shaft (on the 22.4 mm (0.88 in)
diameter portion of the drive shaft).
Backlash indicator .................... 1
YB-06265 / 90890-06706
(4) Install the dial gauge onto the lower
unit and have the dial gauge plunger
contact the mark on the backlash indi-
cator.
Magnetic-base plate................. 2
YB-07003 / 90890-07003
Dial gauge set ........................... 3
YU-03097 / 90890-01252
Magnetic base........................... 4
YU-34481 / 90890-06705
(5) Set the lower unit upside down.
(6) Slowly turn the drive shaft clockwise
and counterclockwise. When the drive
shaft stops in each direction, measure
the backlash.
6-68
E