SELVA MARINE Fin Whale 225 EFI, Service Manual

Page: 241 / 399

6AL3J11
6-56
1
2
3
4
5
6
7
8
9
NOTE:
“ F ” is the deviation of the lower case dimen-
sion from standard. The “ F ” mark
a
is
stamped on the trim tab mounting surface of
the lower case in 0.01 mm units. If the
“ F ”
mark is unreadable, assume that “ F ” is zero
and check the backlash when the unit is
assembled.
Example:
If
“ M1 ” is 29.94 mm and “ F ” is (+5), then
T1 = 30.60 + (+5)/100 – 29.94 mm
= 30.60 + 0.05 – 29.94 mm
= 0.71 mm
If “ M1 ” is 29.94 mm and “ F ” is (+4), then
T1 = 30.60 + (+4)/100 – 29.94 mm
= 30.60 + 0.04 – 29.94 mm
= 0.70 mm
3. Select the reverse gear shim(s) (T1) as
follows.
Example:
If
“ T1 ” is 0.71 mm, then the reverse gear
shim is 0.70 mm.
If
“ T1 ” is 0.70 mm, then the reverse gear
shim is 0.68 mm.
Calculation formula:
Reverse gear shim thickness (T1) =
30.60 + F/100
– M1
Calculated number
at 1/100 place
Rounded number
1, 2 0
3, 4, 5 2
6, 7, 8 5
9, 10 8
Available shim thicknesses:
0.10, 0.12, 0.15, 0.18, 0.30, 0.40, and
0.50 mm
Shimming (counter rotation model)