Disconnect the lead from the
positive ( +) and negative (-)
terminals on the frequency meter.
Attach a multimeter with the scale
microamperes, to the + and
Operate generator set at 3428
rpm and turn adjusting screw to
reading on the multimeter scale.
If reading is accomplished, the
frequency meter on the control
panel is faulty and must be
If reading of 100 microamperes
cannot be obtained, disconnect
the wire leads from the two L
terminals on the frequency converter. Refer to figure
FO-3 and paragraph 7-6 and test
wire leads. If no defect is
converter and operate generator
set. Turn adjusting screw to
obtain 400 HZ meter reading.
Removal. Refer to figure 7-1 or 7-2 and
remove the converter from the
applicable model generator set.
Cleaning, Inspection, and Repair.
Wipe clean with a lint-free cloth.
Inspect for damage, defects, and
erratic meter readings. Replace
Change 8 7-6.1 /(7-6.2 blank)