61.023  CU. IN  OUNCES, AVDP  0.0625  LB., AVDP  
264.17  GAL.  28.35  GRAMS  
999.97  LITERS  437.5  GRAINS  
FEET  0.3048  METERS  OUNCES, FLUID  29.57  CU. CM.  
12.000  MILS  1.805  CU. IN.  
304.8  MM.  
0.3333  YARDS  LB., AVDP  453.6  GRAMS  
7000  GRAINS 
FT.-LB.  0.1383  M-KG  16.0  OUNCES  
0.001285  BTU  
0.000000376  KW-HR  SQUARE INCH  6.4516  SQ. CM.  
FLUID OZ.  8  DRAM  POUND PER  0.0703  KG.-CM  
29.6  CU. CM  SQUARE INCH  SQUARED  
(PSI)  
GAL., IMPERIAL  277.4  CU. IN.  
1.201  U.S. GAL.  STATUTE MILE  1.609  KILOMETER  
4.546  LITERS  0.8684  NAUTICAL MILE  
GAL., U.S. DRY  268.8  CU. IN.  NAUTICAL MILE  1.151  STATUTE  
0.1556  CU. FT.  MILE  
1.164  U.S. GAL., LIQ.  
4.405  LITERS  QUART  .9463  LITER  
GAL., U.S. LIQ.  231.0 0.1337  CU. IN. CU. FT.  MILLIMETER  1000  MICRON  
3.785  LITERS  MICRON  0.001  MILLIMETER  
0.8327  IMPERIAL GAL.  0.000039  INCH  
128  FLUID OZ.  
INCH POUNDS  11.521  METER GRAMS 
IN.  2.540 .08333  CM. FT.  
INCH OUNCES  0.72  METER GRAMS 
JOULES  0.000948 0.7376  FT. FT.-LB.  
POUNDS  0.453  KILOGRAMS 
91-00-00 Page 91-19 Issued: April 1, 1997 
4B19 
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91-00-00 Page 91-20 Issued: April 1, 1997 
4B20
SPECIAL TOOLS.
91-10-00 Page 91-21 Revised: February 28, 2002
91-10-00 Page 91-22 Revised: February 28, 2002 
4B22
91-10-00 Page 91-23 Revised: February 28, 2002
91-10-00 Page 91-24 Revised: February 28, 2002 
4B24 
THE NEW PIPER AIRCRAFT, INC. 
PA-44-180 
AIRPLANE MAINTENANCE MANUAL
ELECTRICAL SCHEMATICS. 
CHART 9107.  ELECTRICAL WIRE CODING
CIRCUIT FUNTION LETTER  CIRCUITS  
A  AUTOPILOT  
C  CONTROL SURFACE  
F  FLIGHT INSTRUMENT  
G  LANDING GEAR  
H  HEATER - VENTILATING & DEICING  
L  LIGHTING  
P  POWER  
Q  FUEL, OIL & ENGINE INSTRUMENT  
RP  RADIO POWER  
RZ  RADIO AUDIO  
J  IGNITION  
W  WARNING  
K  STARTER 
91-20-00 Page 91-25 Issued: April 1, 1997 
THE NEW PIPER AIRCRAFT, INC. 
PA-44-180 
AIRPLANE MAINTENANCE MANUAL
CHART 9108. ELECTRIC SYMBOLS (Old Style) (Sheet 1 of 3)
Page 91-26 Issued: April 1, 1997 
4C2 
THE NEW PIPER AIRCRAFT, INC. 
PA-44-180 
AIRPLANE MAINTENANCE MANUAL
CHART 9108. ELECTRIC SYMBOLS (New Style) (Sheet 2 of 3)
91-20-00 Page 91-27 Issued: April 1, 1997 
4C3 
THE NEW PIPER AIRCRAFT, INC. 
PA-44-180 
AIRPLANE MAINTENANCE MANUAL
CHART 9108. ELECTRIC SYMBOLS (New Style) (Sheet 3 of 3)
CONTACT SWITCH ASSEMBLIES BASIC CLOSED CONTACT OPEN CONTACT TRANSFER  PUSH BUTTON (MAKE) CIRCUIT CLOSING (BREAK) CIRCUIT OPENING TWO CIRCUIT MOMENTARY OR SPRING RETURN  
NON-LOCKING MOMENTARY OR SPRING RETURN (MAKE) CIRCUIT CLOSING (MAKE OR BREAK) CIRCUIT CLOSING OR OPENING (BREAK) CIRCUIT OPENING TWO CIRCUIT  TRANSFER  LOCKING AND NON-LOCKING OFF THREE POSITION ONE POLE OFF THREE POSITION TWO POLE  
CLOSES ON RISING PRESSURE OPENS ON RISING PRESSURE PRESSURE OR VACUUM ACTUATED SWITCH V P  OR CLOSES ON RISING TEMPERATURE TEMPERATURE ACTUATED OPENS ON RISING TEMPERATURE OR t t t t NOTE: t* SYMBOL SHALL BE REPLACED BY DATA GIVING THE OPERATING TEMPERATURE OF THE DEVICE  
NORMALLY OPEN NORMALLY OPEN HELD CLOSED NORMALLY CLOSED HELD OPEN LIMIT SWITCH, DIRECTLY ACTUATED - SPRING RETURN NORMALLY CLOSED  NORMALLY OPEN CLOSES ON RISING TEMPERATURE NORMALLY CLOSED OPENS ON RISING TEMPERATURE t t NORMALLY OPEN INTERNAL HEATER SHOWN THERMAL SWITCHES  
SELECTOR OR MULTI - POSITION SWITCH ANY NUMBER OF TRANSMISSION PATHS MAY BE SHOWN  TOGGLE IN THE DOWN POSITION TOGGLE IN THE UP POSITION EXAMPLE ON-ON-ON SWITCH ACUTATION 
 SWITCHES WITH TIME/DELAY FEATURE OPEN TIME-DELAY CLOSING CLOSED TIME-DELAY OPENING  ROTARY SWITCH NOTE: Viewed from end opposite control knob.  
EXAMPLE OF RELAY  OPEN TIME-DELAY OPENING CLOSED TIME-DELAY CLOSING ARROW INDICATES DIRECTION OF SWITCH OPERATION IN WHICH CONTACT ACTION IS DELAYED  
 
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