Crankcase
(see crankcase assembly for more information)
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Appendix D—Crankshaft Assembly Details for HG600/THG600 Series
Ref
No .
Part No .
Description
Qty .
13.
3589
Bearing adjustment shim (0.005")
As
req.
3589-1
Bearing adjustment shim (0.007")
As
req.
3589-2
Bearing adjustment shim (0.020")
As
req.
14.
3539
Bearing cover
1
15.
7001-037NC100A Bolt (hex head, 3/8"–16 x 1")
4
16.
3526
Oil seal
1
a
Caution: To avoid damage during assembly, refer to Important Instructions IE400.
Crankcase Assembly—Bill of Materials
Ref
No .
Part No .
Description
Qty .
1.
3537-X1
Crankshaft assembly
1
2.
2135
Rotor drive pin
1
3.
1737
Bearing cone
1
4.
1736
Bearing cup
1
5.
3638
Spacer
1
6.
3635
Drive sprocket
1
7.
1284
Crankshaft orifice
2
8.
2933
Link pin
1
9.
3503
Flywheel key
1
10.
3537
Crankshaft
1
11.
3580
Bearing cone
1
12.
3579
Bearing cup
1
WARNING
CAUTION: Always relieve pressure in the
unit before attempting any repairs.
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