Hobart 140GT17P Operation And Maintenance Manual With Illustrated Parts List page 35

(k) Voltage Regulator
The voltage regulator used on any Series 6906 generator set is located inside the control
box, and is accessible by swinging open the front panel of the control box.
Specification 6906-1 and Specification 6906-2 generator sets are equipped with a solid state
voltage regulator, Hobart Part No. 489812A. Information and instructions for this regulator
are contained in Hobart regulator manual OM2020, found in Chapter 6 of this generator set
manual (OM-2029).
Generator set Specifications 6906-3, -4, -5, and -6 are equipped with a magnetic amplifier
type voltage regulator, Hobart Part No. 281407. Information and instructions for this regulator
are contained in Hobart regulator manual TM-759, found in Chapter 6 of this generator set
manual (OM-2029)
July 27/90 Revised
23. Switch bracket (behind generator control panel)
24. Test bank/aircraft switch No.1 output
25. Test bank/aircraft switch No. 2 output
26. Regulated/diagnostic switch
27. Idle speed adjustment potentiometer
Generator Control Box Interior Components
(Sheet 2 of 2)
Figure 8
OM-2029
1-1
Page 17