Corken 91 - Page 65

Appendix E—Parts Details for 91 and F91 Crankcase Assembly
Packing—Bill of Materials
Ref
No.
Part No. Description Qty.
1. 3259 Oil seal 1
2. 1450 Groove pin (1/8" x 1") 1
3. 7001-037NC075A Hex head (3/8"–16 x 3/4", grade 5) 12
4. 3260 Bearing carrier 1
5. 2796 Breather ball 1
6. 2-111A O-ring (Buna-N) 1
7. 1279-X Breather cap 1
8. 2725 Bearing carrier gasket 1
9. 1807 Roll pin (1/8" x 5/8") 1
10. 2718 Bearing cup 2
11. 2723 Oil circulating ring 1
12. 2476 Crankshaft 1
13. 2719 Bearing cone 2
14. 2289 Flywheel key 1
15. 2290 Oil ring retainer washer 1
16. 2554
Crankcase
(capacity: 0.9 quarts, 0.8 liters)
1
17. 1661
Pipe plug (3/8" NPT square or
hex head)
1
18. 2729 Inspection plate gasket 1
19. 2728 Crankcase inspection plate 1
20. 2-112A O-ring (Buna-N) 1
21. 1368-X1 Oil bayonet assembly (with O-ring) 1
22.
2721 Bearing adjustment shim (0.005)
As
needed
2721-1 Bearing adjustment shim (0.007)
As
needed
2721-2 Bearing adjustment shim (0.020)
As
needed
23. 2720 Bearing cap 1
Assembly Number Assembly Name
2476-X Crankshaft assembly with 2476, 2290 and 2719
2476-SX
a
Extended crankshaft assembly with 2719 (2) and
2290
3260-X
Bearing carrier assembly with 3260, 2718, 3259,
1279-X, 2-111A, 1450, 2796 and 1807
3271-X2
a
Flywheel assembly 14" - 2 groove with H
SF-1.125 and 3271
a
Optional equipment.
WARNING
CAUTION: Always relieve pressure in the unit before attempting
any repairs.
65