September 2015 Service and Repair ManualGeneratorPart No. 1268515 Z-34/22 Bi-Energy 45How to R eplac e the Voltage RegulatorHow to Replace the VoltageRegulator1 Disconnect the battery packs from themachine.Electrocution/burn hazard.Contact with electrically chargedcircuits could result in death orserious injury. Remove all rings,watches and other jewelry.2 Remove the engine pivot plate latch retainer.3 Open the engine pivot plate latch and swingthe engine out away from the machine toaccess the generator.4 Tag and disconnect the positive and negativebattery cables from the generator.5 Loosen the tension adjustment bolt on thegenerator.6 Pull the generator away from the machine andremove the belts from the generator pulley.7 Remove the generator mounting fastenersthen remove the generator from the machine.8 Remove the 3 nuts from the battery cableterminal posts.9 Remove the 3 screws that hold the plasticcover onto the generator. Carefully removethe cover.10 Locate the 3 white wires that lead from thevoltage regulator to the negative rectifierassembly.1 white wires (#10 nuts)2 negative rectifier assembly3 black wire (#10 screw)4 black wire (#4 nut)5 voltage regulator mounting fastener(#8 screw)6 voltage regulator7 red wire (#10 screw)8 positive rectifier assembly11 Remove the nuts on those 3 wires from thenegative rectifier assembly, then remove thewires.Note: Do not remove the spacers from theunderneath the wires on the negative rectifierassembly.