Hobart 120CU20, Operation And Maintenance Manual With Illustrated Parts List

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OM-2228 / Operation and Maintenance Manual
120CU20 / Series 500120 / 400 Hz. Generator Set
October 15, 2013 Chapter 4-3
Page 1
Section 3 Illustrated Parts List.
1) Explanation of Parts List Arrangement.
The parts list is arranged so that the illustration will appear on a left-hand page and the applicable parts
list will appear on the opposite right-hand page. Unless the list is unusually long, the user will be able to
look at the illustration and read the parts list without turning a page.
2) Symbols and Abbreviations.
The following is a list of symbols and abbreviations used in the parts list:
* - Item not illustrated
A, or AMP - Ampere
AC
- Alternating current
AR - As required
DC - Direct current
Fig. - Figure
hd. - Head
hex - Hexagon
Hz - Hertz (cycles-per-second)
I.D. - Inside diameter
IN - Inch
KVA - Kilovolt-ampere
uF - Microfarad
No. - Number
NHA - Next higher assembly
PRV - Peak reverse voltage
PSI - Pounds per square inch
Ref - Reference (the item has been listed previously)
RH - Right Hand
LH - Left Hand
TM - Technical Manual
T-R - Transformer-rectifier
V - Volt or used as a prefix indicating vendor code
NOTE: An item which does not reflect an index number is an assembly which is not illustrated in its
assembled state, or it is similar (right-hand, left-hand, top, etc.) to an item which is illustrated.