c. Deficiencies that cannot be corrected must
The PROCEDURES column in your
be reported to higher category maintenance per-
P M C S charts instruct how to perform
sonnel. Records and reports of preventive main-
the required checks and services. Care-
tenance must be made in accordance with pro-
f u l l y follow these instructions and, if
cedures given in TM 38-750.
tools are needed or the chart so instructs,
get organizational maintenance to do the
The checks in the interval column are
If your equipment must be in operation
to be performed in the order listed.
all the time, check those items that can
3-2.1. Operator/Crew Preventive Maintenance
be checked and serviced without disturb-
Checks and Services Chart
ing operation. Make the complete checks
and services when the equipment can be
B -- Before
Equipment is not
Items to be
Procedures - Check for and have
repaired or adjusted as necessary
Perform operational check as
Unit does not run
or produce ac.
Available equipment is
satisfactory condition of
insufficient to support
the equipment. Report
the combat mission.
*Do this check before each deployment to a mission location. This will permit any existing problems
to be corrected before the mission starts. The check does not need to be done again until redeployment.
have 110 volts, 60 Hz available. If unit does not
run, first check dc power supply and then the dc
Inspect the motor generator for cleanliness. It
brushes. If unit runs but does not produce ac,
should be free of dirt, dust, grease, and fungus.
check ac brushes. If severe arcing is observed on
Ventilating openings should be clean so that the
dc commutator, the motor generator should be
internal fan can circulate cooling air while oper-
sent to higher level of maintenance for commu-
a. Remove dust and loose dirt with a clean,
b. There are no adjustments for the motor
generator. If it does not operate after perform-
b. Remove dust and dirt from plugs, recepta-
cles, and ventilating openings with a brush.
3-4. Operational Checks
a. The motor generator should run freely when
the dc power is turned-on. The receptacle should