ARMY TM 9-6115-670-14&P
1-3
Hz
Hertz
ID
Inside diameter
in.
Inch
kW
Kilowatt
kPa
Kilo-Pascal
l
Liter
MAC
Maintenance Allocation Chart
MPa
Mega-Pascal
mm
Millimeter
Nm
Newton Meters
OD
Outside diameter
pf
Power Factor
PMCS
Preventive Maintenance Checks and Services
PSI
Pound-force per Square Inch
psig
Pound-force per Square Inch Gauge
RPSTL
Repair Parts and Special Tools List
TAMMS
The Army Maintenance Management System
TDR
Transportation Discrepancy Report
TM
Technical Manual
TMDE
Test Measurement and Diagnostic Equipment
V
Volt
VAC
Volt Alternating Current
VDC
Volt Direct Current
1.10. GLOSSARY.
Actuator/solenoid
Device with an output shaft that moves linearly when current is applied
Alternator
Device used to generate AC used to charge battery after conversion to
DC
Automatic Voltage Regulator
Device that regulates APU AC output
Combustion
Burning of an air/fuel mixture in a closed cylinder to produce a force
Contactor
Device that establishes and interrupts the main output circuit of the APU
Diesel engine
Engine wherein combustion is caused by compression of fuel mixture
Excitation
Supplying the electric current used to produce a magnetic field in a
generator
Filter
Device used to remove dirt or water from lubricating oil or fuel
Glow Plug
Device used to warm a combustion chamber to facilitate cold start up
Governor
Device which controls engine speed by controlling fuel flow to engine
