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TM 10-4320-256-14&P
Section V. UNIT MAINTENANCE PROCEDURES
Paragraph
4-13
4-14
4-15
4-16
4-17
4-18
4-19
4-20
4-21
4-22
Page
General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...4-6
Radio lnterference Suppress . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...4-6
Fuel Line . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . ...4-7
Fuel Tank Adapter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ... . .. . . . . .. . .. ..4-8
Fuel Tank . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...4-10
Pump Assembiy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...4-12
Engine Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...4-16
Spark Arrestor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...4-18
Frame . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...4-20
Grounding Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...4-22
a. Interference Suppression Components
4-13. General. This section contains unit level maintenance procedures as authorized by the MAC, Appendix
B, Section ll of this manual. Refer to Appendix F,Toque Limits.
4-14. Radio interference Suppression. Radio interference suppression is attained by providing a
low-resistance path to ground for stray currents radiated from the gasolineengine electrical system while the
engine is running. Methods used include shielding the ignition and high frequency wires of the engine, grounding
the frame with bonding straps, and using resistors and capacitorsas filters.
.
. There are two types of interference suppression components-
primary and secondary.
(1) Primary suppression components are those whose prirnary functbnistosuppressrad& interference.
(2) Secondary suppression components have radio interference suppressing functions which are incidental
and secondary to their primary functions.
b. Replacement of Interference Suppression Comonents. Refer to TM 9-2805-257-14 for information on the
interference suppression components used on the gasoline engine.
4-6
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