Corken 91 - Page 73

Appendix E—Parts Details for 291 and F291 Crankcase Assembly
Packing Assembly Bill of Materials
Ref
No.
Part No. Description Qty.
1. 1278 Oil seal 1
2. 7001-037NC075A Bolt (hex head, 3/8"-16 x 3/4") 8
3. 2957 Bearing cover 1
4.
1273 Bearing adjustment shim (0.005")
As
needed
1273-1 Bearing adjustment shim (0.007")
As
needed
1273-2 Bearing adjustment shim (0.020")
As
needed
5. 1500 Bearing cup 1
6. 1368-X Oil bayonet 1
7. 2713 Crankcase inspection plate gasket 1
8. 2958 Crankcase inspection plate 1
9. 2-112A O-ring (Buna-N) 2
10. 2955 Crankcase 1
11. 1279 Breather cap 1
12. 2-111A O-ring (Buna-N) 1
13. 2796 Breather ball 1
14. 1450 Lock pin (1/8" x 1") 1
15. 1671 Flywheel key 1
16. 1501 Bearing cone 1
17. 1341-X1
Crankshaft assembly with 1284 (2),
1286, 1341, 1501, 2590, 2719
1
18. 1284 Crankshaft orifice 2
19. 2719 Bearing cone 1
20. 1286 Pump shaft drive pin 1
21. 2590 Pipe plug (1/8" NPT, flush seal) 2
22. 1280 Filter screen screw 1
23. 1281 Filter screen screw gasket 1
24. 2-116 A O-ring (Buna-N, filter screen) 1
25. 1276 Filter screen washer 1
26. 1275 Oil filter screen 1
27. 3289 Pipe plug (1/4" NPT, flush seal) 2
28. 1661 Pipe plug (3/8" NPT) 1
29. 1290 Relief valve adjusting screw 1
30. 1291 Adjusting screw locknut 1
31. 2- 011A
O-ring (Buna-N, relieve valve
adjustment screw)
1
32. 1292 Relief valve spring 1
33. 1293 Relief valve ball 1
34. 2718 Bearing cup 1
35. 2961-X
Air release valve assembly with
2961, 2962, 2963
1
36. 1285 Bearing carrier gasket 1
37. 2956 Bearing carrier 1
38. 2-218A
O-ring
(Buna-N, closure body, 2 required)
2
39. 1515-X
Closure cap assembly including
2-218A (2)
1
40. 7001-025NC050A Bolt (hex head, 1/4"-20 x 1/2") 10
41. 1302 Oil pressure gauge 1
Ref
No.
Part No. Description Qty.
42. 2-228A O-ring (Buna-N, pump cover) 1
43. 4222-X Oil filter assembly 1
44. 1629 Pipe plug (1/16" NPT, flush seal) 2
45. 7001-037NC100A Bolt (hex head, 3/8"-16 x 1") 6
46. 2805 Pump shaft bushing 1
47. 2850 Pump shaft adapter 1
48. 2852 Oil pump spring 1
49. 2851 Spring guide 1
50. 2849-X
Oil pump assembly (individual
pump parts not available)
1
51. 2798 Pump cover pin with 4222 1
52. 4225 Filter 1
Assembly Number Assembly Name
1279-X Breather cap assembly with 1279, 2-111A
1342-X1
a
Extended crankshaft assembly with 1284 (2),
1286, 1342, 1501, 2590, 2719
1368-X1 Oil bayonet assembly with 1368-X, 2-112A
2956-X
Bearing carrier assembly with 1285, 1290, 1291,
1292, 1293, 1515-X, 2718, 2805, 2806 (2), 2848-
X, 2849-X, 2850, 2851, 2852, 2956, 2961-X,
2-011A, 2-112A, 2-228A.
2957-X Bearing cover assembly with 2957 and 1278
a
Optional equipment.
WARNING
CAUTION: Always relieve pressure in the unit before attempting
any repairs.
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