Section VI. RADIO INTERFERENCE SUPPRESSION4-12. General Methods Used to Attain Proper4 - 13 . Replacement of Suppression Com-SuppressionponentsEssentially, suppression is attained by providingThe engine of the tank and pump unit is provideda low resistance path to ground for stray currents.with a shielded spark plug cable and ignitionFor general information applicable to radio sup-ground cable. For replacement of these com-pression. refer to TM 11-483.ponents, refer to paragraph 4-20.Section VII. PUMP AND ENGINE UNIT4-14. GeneralThe pump and engine unit is mounted on analuminum frame that will slide out. from thepumping assembly. This mounting arrangementprovides easy access to the pump and engine formaintenance and servicing purposes.An in-termediate coupling connects the pump to theengine. Removal of either pump or engine requiresdisassemblyo f t h e p u mpandintermediatecoupling; therefore, procedures for removal, in-stallation, disassembly, and reassembly of thepump assembly and engine assembly is covered inChapter 6.4-15. Pump and Engine Unita. Removal.(1) Disconnect suction hose and dischargehose from pump.(2) Refer to figure 4-5 and remove muffler andpump and engine unit.4-14
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