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Home›Repair guides›Field Voltage Testing

Compatible — Field Voltage Testing

For these models: HDKAL, HDKAL/HDKAS.

Procedure

  1. Test field voltage at brush holder terminals with DC voltmeter.
  2. Test at no load and at full load.
  3. Field voltage should fall between 18 and 60 volts.

Tools required

  • DC voltmeter

Specs & torque values

  • 18 to 60 volts

Source: manual:981-0523B_Onan_HDKAL_HDKAQ_HDKAR_HDKAS_Diesel_Mobile_Genset_Generator__Controls_Service_manual.pdf. Figures and steps are as documented; always cross-check against the official manual and any later revisions for your exact serial number before servicing.