Service manual
c
c
Figure
&
Index
Number
7- 69
-7
0
-
71
-72
- 73
- 74
-75
- 76
Figure
&
Index
Number
8-
-1
-2
-3
- 4
-5
-6
- 7
- 8
-9
-10
-11
-12
-13
-14
-15
-16
-
17
-
18
-19
- 20
-
21
10024
72
Part
Number
138549
1002435
1002230
1002369
121900
120423
1002372
1002086
Part
Number
1002091
1002092
32266
32265
456145
9000124
1002128
1002129
34684
34683
181651
33705
9000125
32237
33357
33356
1002089
1002088
37199
37196
34648
30079
37192
181566
9000123
1002179
181566
9000123
~I
PARTS
LIST
Description
Qty
WASHER,
Shakeproof,
3/16
ID
........................... 1
OIL
LINE
(Used
on SD18P21A only) ........................ 1
CHECK
VALVE,
Lubrication
(Used
on
SD18P21A
only)
· ......
1
CAP
ASSEMBLY,
Carburetor
(Used
on
SD18E25B only)
·
......
1
BOLT,
HEX
HD,
1/4
-20
THD
by
1 IN. LG ...............
3
(Used
on
SD18E25B only)
LOCKWASHER,
Internal,
1/4
ID
(Used
on
SD18E25B only)
...
3
SPACER,
Carburetor
cap
(Used
on SD18E25B only)
· ......
3
SPRING,
Compres~iol!
....................................
1
Description
Qty
TRACTION
BELT
TAK
E-
UP
ASSEMBLY
(Used
on
•.••••••••
REF
SDI8E20B,
SDI8P27A,
SDI8E25B,
SD18E27A
and
SD18P21A
only) (See
figure
1)
TRACTION
BELT
TAKE-UP
ASSEMBLY
(Used
on
SD15PI0B
.
•••
REF
only) (See
figure
1)
SCREW,
Adjusting
. . . . . . • • . • . • . • . • . . . . . . . . • . • • • • . • . . . . . • 2
BLOCK,
Adjusting
. . . • . . • • • • . . . • . • . . . • • • • • • . • • • • • . • . • . • . 2
WASHER,
Flat,
5/16
IN.
ID
,........
...•.•.
•.•
.....
.•..
•..
2
LOCKNUT,
5/16
- 24 THD
••.••••••••••••••.••••.•.••••••.••
2
REAR
SUPPORT
ARM
AND
SPRING
ASSEMBLY,
RH
••••••
1
REAR
SUPPORT
ARM AND SPRING
ASSEMBLY,
LH
•..•••
1
ANGLE,
Belt
adjustment,
LH •
••••
••••.
•••••.
• .
•.••
•• ••
.•••
1
ANGLE,
Belt
adjustment,
RH
•••.•.•••••••.••••.••••.•.••••
1
SCREW,
HEX HD,
3/8-24
THD
by
2-3/4
IN. LG
•.••.•••
0.
2
SPACER,
Rear
support
arm
• • • • • • • • • • . • • . • • . • • . • • • • • • • . • • 2
LOCKNUT,
3/8-24
THD
.••••.••••••••••••••••.••••••...••
2
RET
AINER . • . • • • • • • • • • • • • . • . • • • . • • • . . • • • . . • • • • • • • • • . • • • • 2
SPRING,
Rear
torsion,
LH .
••••
•••.•••.
•••
••
•
••••
•• ••
.
.•
1
SPRING,
Rear
torsion,
RH
.•
0 • • • • • • • • • • • • • • • • • • • • • • • • • • • 1
REAR
SUPPORT
ARM
ASSEMBLY,
LH
••.•••.•••••••••••
1
REAR
SUPPORT
ARM
ASSEMBLY,
RH .
••.••••••••..••••
1
REAR
SPROCKET
ASSEMBLY
(Used
on
SD15PI0B
only)
••.•••
1
REAR
SPROCKET
ASSEMBLY
(Used
on
SDI8E20B,
.•.•.•...
. 1
SDI8P27A,
SDI8E25B,
SD18E27A
and
SD18P21A
only)
BEARING
• . . . . . . . . • . • • • • . • • • • • • • . . • . . . • . • . . . • • • • • . • . . . . 2
GREASE '
SEAL
. • . • . • . • . . . • . • • • . • • . • . • . . . . . . . • . . . . • . • . . . • 2
SPROCKET
SUPPORT
PLATE
ASSEMBLY
.•.
••.•••••••.•.•.
2
SCREW,
HEX
HD,
1/4-28
THD
by
3/4
IN. LG
.•.•••.•...•..
18
LOCKNUT,
1/4
-28 THD
.••.••.•••.•••.•.•.•••••••.•.•••••
18
WHEEL,
Idler
(Used
on
SDI8E20B,
SDI8P27A,
SDI8E25B,
..•.
1
SD18E27A
and
SD18P21A
only)
SCREW,
HEX
HD,
1/4-28
THD
by
3/4
IN. LG
(Used
on
•.••••
9
SDI8E20B,
SDI8P27A,
SDI8E25B,
SD18E27A
and
SD18P21A
only)
LOCKNUT,
1/4-28
THD
(Used
,
on
SDI8E20B,
SDI8P27A,
•••.••
9
SDI8E25B,
SD18E27A
and
SD18P21A only)
49