Wacker Neuson G 2.5A Repair Manual

Also see for G2.5A: Operator's manual Operator's manual

Contents

Wacker Neuson G 2.5A Repair Manual Manual pdf 66 page image

G 3.7A;G/GS 5.6A;GS 8.5V;GS 9.7V Portable Generator Repairwc_tx000208gb.fm 626.18 Receptacle Panel WiringRemove receptacle panel from control box and inspect the wiring forworn or loose wires. Make sure all wire connections are secure andtight at the screws. DO NOT allow wires to be pinched, kinked ordamaged in any way. Inspect for tight connections at circuit breakers,capacitors, switches and receptacles. Replace any broken ordamaged parts.6.19 Loss of Residual Magnetism in RotorSee Graphic: wc_gr000946GeneralIf the rotor has been removed, the generator stored for a considerabletime, or the rotor (field) connections reversed during service, theresidual magnetism may have been destroyed. Loss of magnetism willprevent the generator from building voltage.To check residual voltage, run the generator at normal no-load speedand measure the voltage at 120 VAC receptacles. This voltage shouldbe at least 1.5 volts. If the voltage is less than 1.5 volts, the residualmagnetism must be restored by “flashing” with a 12 volt battery.Restoring Residual Magnetism to the Brush Type GeneratorsDisconnect wires F1 and F2 from the AVR (a). Run the generator at itsnormal speed and apply 12 volts from a battery to the wires F1 and F2for approximately 3 seconds. Ensure the positive battery lead isapplied to the red wire F1. The output voltage of the generator, with the12 volt supply connected, should be approximately normal voltage.Stop the generator and reconnect leads F1 – F2.CAUTION: Ensure the battery leads are connected to the wires F1 andF2 with the correct polarity, and that the wires are isolated from eachother and ground. Loss of residual magnetism will result if wires touchground, each other, or wrong polarity.