Yamaha XS750, Руководство пользователя

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CASE EXCHANGE
When the exterior of the middle gear or final
gear case
is
damaged and must be replaced,
pay attention to the numbers scribed on the
replacement cases. Follow assembly instruc-
tions in the appropriate section of this manual.
9-1.
Middle
Gear Case Replacement
A.
Selection
of
Drive Pinion Shim
Note the number scribed on the middle
gear cases (original and replacement).
Note the original drive shim thickness:
B.
Selection
of
Driven Pinion Shim
Note the number scribed on the middle
gear cases. Proceed
as
in above steps
(
Page 122, Section 6-2. E).
Example: Replacement
.
.
.
. .
. .
.
.
79.73
Original
. . . .
. .
.
,
. . . .
.79.93
Original shim
. . .
. . .
.0.10 rnm
Formula for determining new shim:
Original shim
-
(new case number
-
original case number)
Example: 0.10-(79.73-79.93)
0.10-(-0.2.)
0.10
+
0.20
0.30
new shim
Notice that the subtraction of a negative
number-(-0.20) is the same operation as
adding that amount as a positive number.
Use this shim and the normal instructions
for installation of middle gear components
described in Page 119, Section 6-2.
C.
Final Inspection
Install
gear assemblies according of
appropriate sections of this manual.
Check tooth contact patterns and gear
lash before mounting new assembly on
machine. Refer to 6, Section 6-2D for
tooth contact pattern inspection. Page
121
9-2.
Final Gear Case Replacement
Selection of new drive pinion shim(s) and
thrust shim(s) is similar
to
middle gear drive
pinion shim determination.
1 . Drive
pinion ride
2.
Ring
gear