Selecting The Propeller Shaft Shim - SELVA MARINE Blue Whale 250 EFI Service Manual

3. Select the forward gear shim(s) (T2) as
follows.
Calculated numeral
at 1/100 place
1, 2
3, 4, 5
6, 7, 8
9, 10
Available shim thicknesses:
0.10, 0.12, 0.15, 0.18, 0.30, 0.40, and
0.50 mm
Example:
If "T2" is 1.25 mm, then the forward gear
shim is 1.22 mm.
If "T2" is 1.20 mm, then the forward gear
shim is 1.18 mm.

Selecting the propeller shaft shim

1. Turn the taper roller bearing outer race
1 2 or 3 times to seat the rollers, and
then measure the bearing height (M6) as
shown.
T´4
6P23H11
Rounded numeral
0
2
5
8
S69J6705
Shimming (counter rotation model)
NOTE:
• Select the shim thickness (T'4) by using the
specified measurement(s) and the calcula-
tion formula.
• Measure the taper roller bearing at 3 points
to find the height average.
Shimming plate 2: 90890-06701
Digital caliper 3: 90890-06704
2. Install the thrust bearing 4 onto the pro-
peller shaft 5, and then measure the
propeller shaft flange and thrust bearing
thickness (M7) as shown.
1
2
3
4
5
6
7
8
9
6-58