TM 5-5420-228-24
MAINTENANCE ALLOCATION CHART
FOR
LAUNCHER
FOR BRIDGE, ARMORED-VEHICLE-LAUNCHED
SCISSORING TYPE, CLASS 60
NSN 5420-00-000-0000
SECTION L 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 responsibilty
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
function 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 and/or electrical characteristics with established standards through examination.
b. TEST. To verify serviceability 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 equipments used in precision measurement.
Consists of comparisons 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.
9" 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 of a serviceable like type part, subassembly, or
module (component or assembly) for an unserviceable counterpart.
REPAIR. The application of maintenance service or other maintenance actions to
i.
restore serviceability to an item by correcting specific damage, fault, malfunction, or failure in
a part, subassembly, module (component or assembly), end item, or system.
