TM 5-3805-261-34CHARGING SYSTEM MAINTENANCE. (cont)4-4.Alternator(Delco).(Sheet 10 of 18)TESTING (cont)5.Using ohmmeter set to lowest range, test threepositive diode wire assemblies (50, Figure 4-13).Touch one test wire to the positive diode casingand the other wire to the terminal, then switchtest wires. Meter should indicate one high andone low reading. Replace three positive diodewire assemblies (50) if readings are the same.6.Using ohmmeter set to lowest range, test threenegative diode wire assemblies (79, Figure 4-14). Touch one test wire to the negative diodecasing and the other wire to the terminal, thenswitch test wires. Meter should indicate one highand one low reading. Replace three negativediode wire assemblies (79) if readings are thesame.CLEANINGClean all parts. Refer to Chapter 2.INSPECTIONInspect all parts. Refer to Chapter 2.ASSEMBLY1.Using suitable driver and hammer, installbushing (78) to housing (80, Figure 4-10), ifremoved.2.Pack new bearing (77) with clean lubricant.Figure 4-13.Figure 4-14.Go to Sheet114-14Figure 4-10.
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