TM-9-6920-430-14
COOLANT RECHARGING UNIT, TRAINING GUIDED MISSILE SYSTEM M80 AND CHARGER, BATTERY PP-7309/T
TECHNICAL MANUAL; OPERATOR’S AND ORGANIZATIONAL DIRECT SUPPORT, AND GENERAL SUPPORT MAINTENANCE MANUAL
AUGUST 1980
TM-9-6920-430-14 - Page 161 of 180
TM 94920-430-14
APPENDIX B
MAINTENANCE ALLOCATION CHART
Section I. INTRODUCTION
B-1. GENERAL
a.
This section provides a general explanation of all maintenance and repair functions
authorized at various maintenance levels.
b.
The Maintenance Allocation Chart (MAC) in section II designates overall responsibility
for the performance of maintenance functions on the identified end item or component. The
implementation of the maintenance functions upon the end item or component will be consistent
with the assigned maintenance functions.
c.
Section III lists the special tools and test equipment required for each maintenance func-
tion as referenced from section II.
d.
Section IV contains supplemental instructions and explanatory notes for a particular
maintenance function.
B-2. Maintenance Functions
a.
Inspect. To determine the serviceability of an item by comparing its physical, mechanical
d/or electrical characteristics with established standards through examination.
b.
Test. To verify serviceability and detect incipient failure by measuring the mechanical or
electrical characteristics of an item and comparing those characteristics with prescribed standards.
c.
Service. Operations required periodically to keep an item in proper operating condition,
i.e., to clean (decontaminate), to preserve, to drain, to paint, or to replenish fuel, lubricants,
hydraulic fluids, or compressed air supplies.
d.
Adjust. To maintain, within prescribed limits, by bringing into proper or exact position,
or by setting the operating characteristics to specified parameters.
e.
Align. To adjust specified variable elements of an item to bring about optimum or desired
performance.
f.
Calibrate. To determine and cause corrections to be made or to be adjusted on instruments
or test measuring and diagnostic equipment used in precision measurement. Consists of com-
parisons of two instruments, one of which is a certified standard of known accuracy, to detect and
adjust any discrepancy in the accuracy of the instrument being compared.
g.
Install. The act of emplacing, seating, or fixing into position an item, part, or module
(component or assembly) in a manner to allow the proper functioning of an equipment or system.
h.
Replace. The act of substituting a serviceable like type part, subassembly, or module
(component or assembly) for an unserviceable counterpart.
i.
Repair. The application of maintenance services or other maintenance actions
2
to restore
serviceability to an item by correcting specific damage, fault, malfunction, or failure in a part,
subassembly, module (component or assembly), and item, or system.
1
1
2
Services-inspect, test, service, adjust, align, calirbate, or replace.
Action-welding, grinding, riveting, straightening, facing, remachining, or resurfacing.
B-1
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