Telescopic Boom Series
Models SJ61T & SJ66T
194312
December 2007 Page 229
Section 5 - Procedures Service and Maintenance
5.11-3 Generator Frequency/Voltage Check & Adjustment (3.5 kW)
Check the Frequency and Voltage
1. On base control box, turn the base/off/platform key switch to the “ " platform position.
2. On the platform control box, ensure the generator switch is in the “ " off position.
3. Select the “ " start position on the start/emergency power switch until the engine starts.
4. Turn the generator on/off switch to the “ " on position.
5. Connect a multimeter to the platform power outlet.
6. Note the voltage and frequency.
Adjust the Frequency and Voltage
7. Loosen the generator control valve jam nut.
8. Turn the control valve screw with an allen head wrench. Turning it counterclockwise (out) increases voltage
and frequency, turning it clockwise (in) decreases voltage and frequency.
9. Output must be:
ANSI/CSA
Voltage104.4 VAC to 127.2 VAC
Frequency57 Hz to 63 Hz
CE & AS
Voltage207.0 VAC to 243.8 VAC
Frequency47.5 Hz to 52.5 Hz
10. Tighten the jam nut when the correct output is achieved.
Nut
Screw
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