listed in column 3. This figure represents the active
dividual tools) and special tools, test, and support
time required to perform that maintenance function
e q u i p m e n t required to perform the designated
at the indicated category of maintenance. If the
number or complexity of the tasks within the listed
B4. Tool and Test Equipment Requirements
maintenance function vary at different maintenance
categories, appropriate ``worktime" figures will be
a. Tool or Test Equipment Reference Code. T h e
shown for each category. The number of man-hours
numbers in this column coincide with the numbers
specified by the `` work time" figure represents the
used in the tools and equipment column of the MAC.
average time required to restore an item (assembly,
The numbers indicate the applicable tool or test
s u b a s s e m b l y , component, module, end item or
equipment for the maintenance functions.
system) to a serviceable condition under typical field
b . M a i n t e n a n c e C a t e g o r y . The codes in this
operating conditions. This time includes preparation
column indicate the maintenance category allocated
time, troubleshooting time and quality assurance/
the tool or test equipment.
q u a l i t y control time i n a d d i t i o n t o t h e t i m e
c. N o m e n c l a t u r e . This column lists the noun
required to perform the specific tasks identified for
n a m e and nomenclature of the tools and test
the maintenance functions authorized in the
equipment required to perform the maintenance
maintenance allocation chart. Subcolumns of column
4 are as follows:
d. National/NATO Stock Number. This column
l i s t s the National/NATO stock number of the
specific tool or test equipment.
F Direct Support
e. Tool Number. This column lists the
H General Support
manufacturer's part number of the tool followed by
the Federal Supply Code for manufacturers (5-digit)
e. Column 5, Tools and Equipment. Column 5
specifies by code, those common tool sets (not in-
Section II Maintenance Allocation Chart For CV1919/G
Converter, Telephone Signal CV-1919/G
Channel Module Circuit Card
Common Module Circuit Card
1 By replacement of Batteries, common module, channel module, or lightning arrester.
2 By replacement of chassis mounted piece parts.