Hobart 90 C 20 Operation And Maintenance Manual page 10

OM-2031
SUBJECT
D. Generator
E. Control Box Assembly
(1) Generator control tray
(a) Resistors
(b) Generator output monitors (meters)
(c) Meter and line switches
(d) Receptacle connector
(e) Tray
(f) Manual voltage control
(g) Excitation-deenergization relay
(2) Protective relay tray
(a) Sensing modules
(b) Memory and time delay module
(c) Indicating lights
(d) Plug-interlock relay
(e) Test-bank switch
(f) Resistor
(g) Fuse-interlock relay
(h) Connector
(k) Auxiliary underfrequency relay
F. Engine Control Panel
(1) Engine instruments
(2) Engine and generator controls
(3) Air cleaner indicator
(4) Test receptacle connector
G. Voltage Regulator
H. Power Module Panel Assembly
(1) Load contactor
(2) Current transformers
(3) Overload module
(4) Rectifier
(5) Terminal boards
8. Test Box
A. Description
B. Theory of Operation
SECTION 2. PREPARATION FOR USE,
STORAGE, OR SHIPPING
1. Preparation for Use
A. General
B. Inspection/Check
(a) Fuel
(b) Engine coolant
(c) Engine lubricating oil
C. Installing Output Cables
Units are generally shipped without generator
set-to-aircraft cables.
Table of Contents
Page 2
CHAPTER/SECTION
1-1
1-1
1-1
1-1
1-1
1-1
1-1
1-1
1-1
1-1
1-1
1-1
1-1
1-1
1-1
1-1
1-1
1-1
1-1
1-1
1-1
1-1
1-1
1-1
1-1
1-1
1-1
1-1
1-1
1-1
1-1
1-1
1-1
1-1
1-1
1-2
1-2
1-2
1-2
1-2
1-2
1-2
1-2
1-2
August 5/89 Revised
PAGE
13
13
13
13
14
15
15
15
15
15
15
17
17
18
18
18
18
18
20
20
20
20
21
22
22
24
24
24
24
25
25
25
27
27
28
1
1
1
1
1
2
2
2
2