4 - 92
ENG
MIDDLE GEAR
SELECTING THE MIDDLE DRIVE AND
DRIVEN GEAR SHIMS
When the drive and driven gear, bearing hous-
ing assembly and/or crankcase replaced, be
sure to adjust the gear shims
1
and
2
.
1. Select:
• middle drive gear shim
1
• middle driven gear shim
2
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a. Position middle drive and driven gear by
using shims
1
and
2
with their respective
thickness calculated from information
marked on crankcase, bearing housing and
drive gear end.
1
Shim thickness “A”
2
Shim thickness “B”
b. To find shim thickness “A” use following for-
mula:
Middle drive pinion gear shim thickness
“A” =
a
+
d
–
b
–
c
Where:
a
= a numeral (usually a decimal number) on
the bearing housing is either added to or
subtracted from “7.5”.
b
= 17.0
c
= drive pinion gear to driven pinion gear
center distance (considered constance
“55”).
d
= a numeral (usually a decimal number) on
the left crankcase specifies a thickness of
“65”.
Содержание 2004 Rhino 660 YXR660FAS
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