Hobart 90 C 20 Operation And Maintenance Manual page 139

Engine-driven generator set
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SECTION 3. PARTS LIST
1. Explanation of Parts List Arrangement
The parts list is arranged so that the illustration will appear on a lefthand 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
F - microfarad
No. - number
NHA - next higher assembly
OM - Owners Manual
PRV - peak reverse voltage
PSI - pounds per square inch
Ref - reference (the item has been listed previously)
T-R - transformer-rectifier
V - volt (when used as a prefix to a five-digit number, indicates 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.
July 11/96 Revised
OM-2031
4-3
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