MTD 463 User Manual Page 353

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TM 5-6115-465-34
T0 35C2-3-446-2
NAVFAC P-8-625-34
TM 06858B/06859D-34
1. Cover
39. Casing grommet
2. Screw
40. Clamp
3. Receptacle assembly
41. Hose
4. Screw
42. Plug
5. Terminal board assembly
43. Spring
6. Screw
44. Ball
7. Limit switch
45. Elbow
8. Frame assembly
46. Screw
9. Adjusting screw
47. Port plate
10. Spring
48. O-ring
11. Tension spring
49. Cam ring
12. Spring pad
50. Setscrew
13. Quartz rod
51. Vane
14. Screw
52. Rotor
15. Switch
53. O-ring
16. Screw
54. Adapter
17. Plug
55. O-ring
18. Igniter assembly
56. Seal cage
19. Gasket
57. Seal washer
20. Fuel tube assembly
58. Spring
21. Metering orifice plug
59. Screw
22. Metering orifice assembly
60. Setscrew
23. Filter body
61. Combustion fan
24. Gasket
62. Inlet plate
25. Sintered filter
63. Screw
26. Screw
64. Combustion air inlet
27. Screw
65. Brush cap
28. Bracket
66. Brush cap
29. Fuel regulator valve assembly
67. Motor assembly
30. Screw
68. Screw
31. Setscrew
69. Vaporizer retainer
32. Setscrew
70. Vaporizer
33. Fuel preheater
71. Elbow
34. Screw
72. Burner assembly
35. Screw
73. Screw
36. Air inlet cover
74. Nameplate
37. Clamp
75. Heat exchanger
38. Burner casing
ME 5-61 15-465-34/8-3 (2)
Figure 8-3.
Fuel Burning Heater Assembly, Exploded View (Sheet 2 of 2)
(4) Inspect fuel tube for cracks and other
damage.
(5) Inspect metering orifice for damaged
threads and obstruction at pin holes. Pin hole dia-
meter is 0.012 inch.
(6) Inspect regulator valve for cracks, leaks,
or damaged threads.
(7) Check flame switch for distorted or broken
springs, loose pivot points, stripped threads, and
cracked or damaged insulation. Check flame switch
for continuity.
(8) Inspect igniter for a broken coil or shorts.
Check resistance. Resistance must be one ohm with
igniter cold.
(9) Inspect quartz rod and heat exchanger for
damage, warping, or burned condition.
(10) Inspect air inlet cover for dents. Inspect
blower casting for damaged blades, cracks, and
breaks.
(11) Inspect heater casting for defective
threads, or burned or damaged condition.
(12) Inspect sintered filter for clogged or dam-
aged condition.
(13) Inspect motor assembly for damaged
threads, burned or frayed leads and worn brushes.
(14) Inspect adapter for damaged or scored
face, warping and for motor shaft bore wear. Face of
8-7
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