the parts quantity authorized in the 51-100 allowance column.
Example, authorized allowance for 51-100 equipments is 40; for
150 equipments multiply 40 by 1.50 or 60 parts required.
h. 1-Year Allowance Per 100 Equipments/Contingency Planning
Purposes. Indicates opposite the first appearance of each item
the total quantity required for distribution and contingency
planning purposes. The range of items indicates total quantities
of all authorized items required to provide for adequate support
of 100 equipments for one year.
(1) Figure Number. Indicates the figure number of the il-
lustration in which the item is shown.
(2) Item Number. Indicates the callout number used to ref-
erence the item in the illustration.
a. Identification of the usable on codes
Harvey W. Hottel Model HAC-750-H
Keco Models F9000 and F9000-2
Redmanson Model A9000
Columbia Specialty Model CAS9000
b. Repair parts mortality has been based on 7200 hours opera-
tion per year.
c. Parts which require manufacture or assembly at a category
higher than that authorized for installation will indicate in the
source column the higher category.
How to Locate Repair Parts
When Federal stock number or reference number is unknown:
(1) First. Using the table of contents determine the func-
tional group, functional subgroup, or assembly group, i.e., motor
assembly, compressor frame assembly, within which the repair part.
belongs. This is necessary since illustrations are prepared for
functional groups, functional subgroups or assembly goups, and
listings are divided into the same groups.