Hobart 90 C 20 Operation And Maintenance Manual page 134

OM-2031
(1) FIGURE-ITEM NO. Column
This column lists the figure number of the illustration applicable to a particular parts list and also identi-
fies each part in the list by an item number. These item numbers also appear on the illustration. Each
item number on an illustration is connected to the part to which it pertains by a leader line. Thus the
figure and item numbering system ties the parts lists to the illustrations and vice versa. The figure and
index numbers are also used in the numerical index to assist the user in finding the illustration of a
part when the part number is known.
(2) HOBART PART NUMBER Column
ALL part numbers appearing in this column are Hobart numbers. In all instances where the part is a
purchased item, the vendor's identifying five-digit code and his part number will appear in the NOMEN-
CLATURE column. Vendor parts which are modified by Hobart will be identified as such in the NO-
MENCLATURE column. In case Hobart does not have an identifying part number for a purchased
part, the HOBART PART NUMBER column will reflect No Number and the vendor's number will be
shown in the NOMENCLATURE column. Parts manufactured by Hobart reflect no vendor code or
part number in the NOMENCLATURE column.
(3) NOMENCLATURE Column
The item identifying name appears in this column. The indenture method is used to indicate item rela-
tionship. Thus, components of an assembly are listed directly below the assembly and indented one
space.
Vendor codes and part numbers for purchased parts are shown in this column.
(4) REC. SPARES column
When there is an entry in this column, it shows the quantity of that item recommended for spares to
support ONE end item.
(5) "EFF" (Effective) Column
This column is used to indicate the applicability of parts to different models of equipment. When more
than one model of equipment is covered by a parts list, there are some parts which are used on only
one model. This column is used for insertion of a code letter "A", "B", etc., to indicate these parts and
to identify the particular model they are used on.
Uncoded parts are usable on all models.
Parts coded "A" are usable on Specs 6911-1 only.
Parts coded "B" are usable on Specs 6911-2 only.
Parts coded "C" are usable on Specs 6911-3 only.
Parts coded "D" are usable on Specs 6911A-1 only.
Parts coded "E" are usable on Specs 6911A-2 only.
Parts coded "F" are usable on Specs 6911A-3 only.
Parts coded "G" are usable on Specs 6911A-4 only.
(6) UNITS PER ASSEMBLY Column
This column indicates the quantity of parts required for an assembly or subassembly in which the part
appears. This column does not necessarily reflect the total used in the complete end item.
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August 5/89 Revised