6-27
E
LOWR
SHIMMING
Example:
If M is “32.33 mm” “P” is “+2”, then
T3 = 32.33 – 31.5 – 2/100 = 0.81
4. Round off the hundredth digit and
select the appropriate shim(s). In the
example above, the calculated number
is 0.81. The following table Instructs
you to round off 1 to 2 at the hundredth
place. Thus, the shim thickness is 0.82
mm.
NOTE:
● Use a minimum number of shims to get
as close to the calculated thickness as
possible.
● Install the shims with the thicker one fac-
ing the propeller.
Forward gear shim
NOTE:
Find the forward gear shim thickness (T1)
by selecting shims until the specified mea-
surement (M) is obtained with the special
tool.
Calculated numeral
at 1/100th place
Rounded
numeral
0, 1 2
2, 3, 4 5
5, 6, 7 8
8, 9 10
Available shim thickness:
0.10, 0.12, 0.15, 0.18, 0.30, 0.40
and 0.50 mm
1. Using a digital caliper at the specified
measurement (M) established above,
measure the bearing height.
Shim thickness (T1) =
24.50 mm + F/100 mm – M
Digital caliper:
90890-06704
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