E
BACKLASH MEASUREMENT (F15A/F9.9C)
LOWR
2. Adjust:
9
Reverse gear backlash
Remove or add shim(s).
6-25
Measurement steps:
8
Load the reverse gear by installing
the propeller without the front side
collar and then tighten the prepeller
nut
8
Set the lower unit upside down.
8
Attach the backlash indicator onto
the drive shaft (12.8 mm in diameter).
8
Attach the dial gauge onto the lower
unit and have the dial gauge plunger
contact the mark on the backlash
indicator.
8
Slowly turn the drive shaft clockwise
and counterclockwise and when the
drive shaft stops in each direction,
measure the backlash.
Propeller nut:
5 Nm (0.5 m•kg, 3.6 ft•lb)
Base plate:
YB-07003/90890-07003
Dial gauge set:
YU-03097/90890-01252
Magneto base:
YU-34481/90890-06705
Backlash indicator:
YB-06265/90890-06706
Reverse gear
Shim thickness
backlash
Less than
To be decreased by
0.95 mm (0.037 in)
(1.30 -measurement)
2.3
More than
To be increased by
1.65 mm (0.064 in)
(Measurement - 1.30)
2.3
Available shim thickness:
0.10, 0.18, 0.20, 0.30,
0.40 and 0.50 mm
NOTE:
Adjust the shim(s) to be added or removed
according to specification.
Содержание F15A
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