Parts List Instructions; Top-Down Assembly/Component Parts List; Cross Reference Index; Sheet Number Referencing - Control Data Corporation BR8 SERIES Hardware Maintenance Manual

-----------------------------------
--------- --------
- - - - - - - - - - - - ----------------------- ---------------------------------------------- ------------
r
~)
8.6 PARTS LIST INSTRUCTIONS
o
o
8.6.1 I LLUSTRATION PARTS LISTS
The parts list for each illustration is an extract from the Top-Down Assembly/Component
Parts list and contains only those parts depicted. Refer to paragraph 8.6.2 for explanation
of parts -list.
8.6.2 TOP-DOWN ASSEMBLY/COMPONENT PARTS LIST
a. Starts at TMA level and lists all parts in Item Number sequence.
b. Correlates Item numbers with part Identification numbers and the Description of
each.
c. Identifies where each part is used (where used column) within the device by listing
the item number (s) of the next higher assembly.
NOTE
Where used data for Figure 8-1 is labeled
TMA. Refer to Table 8-1 for correct appli-
cation of parts (refer to paragraph 8.4).
d. Defines the location of each part by listing the sheet number (s) where depicted.
NOTE
The same part may be used in any number
of assemblies or sheet locations.
8.6.3 CROSS REFERENCE INDEX
a. Lists all parts in numeric sequence (by Identification Number).
b.
In
conjunction with the referenced sheet number (third column) and illustrations
defines the physical location of each item identified.
8.6.4 SHEET NUMBER REFERENCING
Sheet number references of Parts Lists and lliustrations refers to sheet locations in
this section. Example: Sheet reference 3 represents sheet 8-3, sheet 4 represents
sheet 8-4, etc.
8.7
SPARE PARTS (SP)
This illustrated Parts Breakdown is complete to the extent that all parts and assemblies
are depicted and identified. Replacement part availability depends on the materials and
provisioning operation of the supplier.
To assist the service representative in selecting replacement parts with minimum re-
quisitioning lead times, engineering recommended spare parts which reflect the intended
service level of the device are identified with the letters SP adjacent to the item number
on the face of each illustration. Replaceable non-spared items will require longer
requisitioning lead times.
77834771-K
8-11