Westerbeke WPDS-20 Technical Manual page 32

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KEY TO EXTERNAL COMPONENTS
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No. Description No. Description No. Description
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1. Water outlet. 23. Crankshaft front oil seal. 45. Oil pump locating screw.
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2. Gasket. 24. Degree plate. 46. Cylinder side cover.
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I 3. Thermostat. 25. Oil separator. 47. Gasket.
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4. Heat shield for injector. 26. Gasket. 48. Combustion chamber insert.
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5. Washer. 27. Sump drain plug. 49. Manifold gasket.
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6. Cylinder head. 28. Washer. 50. Exhaust manifold.
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7. Gasket.
8. Cylinder block.
9. Oil dipstick.
10. Dipstick tube.
11. Plug for oil pressure relief valve.
12. Washer.
13. Spring.
14. Oil pressure relief valve.
15. Front plate.
16. Gasket.
17. Bolt for injection pump.
18. Lock washer for front plate bolts.
19. Timing cover.
20. Gasket.
21. Injection pump chain wheel cover.
22. Gasket.
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29.
30.
31.
32.
33.
34.
35.
36.
37.
38.
39.
40.
41.
42.
43.
44.
Sump.
51.
Manifold stud.
Gasket. 52. Inlet manifold.
Sealing plug for front and rear main bearing caps. 53. Yoke for manifold.
Main bearing bolt. 54. Washer.
Front main bearing cap. 55. Nut.
Centre main bearing cap. 56. Gasket for flywheel housing.
Rear main bearing cap. 57. Flywheel housing.
Sealing strip for rear main bearing cap.
58. Crankshaft rear oil seal.
Main bearings. 59. Ventilation cover for flywheel housing.
Crankshaft thrust washers.
60. Top gasket for flywheel housing.
Water drain tap. 61. Washer.
Camshaft bearing (front). 62. Cylinder head nut.
Camshaft bearing (centre). 63. Cylinder head nut and rocker cover stud.
Camshaft bearing (rear). 64. Push rod locating plate.
Cap nut.
65. Gasket. ,
Washer. 66. Rocker cover.
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