Starting Motor Specifications; Stall Torque Hookup - Piper PA-44-180 SEMINOLE Maintenance Manual

378
KNIFE SWITCH
BATTERY
STARTING MOTOR SERVICE TEST SPECIFICATIONS.
Prestolite specifications for 12 volt starting motors installed as standard equipment on PA 44-180 series
airplanes are as follows:
Motor Model
Min. Brush Tension
Max. Brush Tension
No-Load Test (77° F)
Volt
Max. Amps
Min. R.P.M.
Stall Torque
Amps
Min. Torque, Ft. Lbs.
Approx. Volts
Pinion Position*
Drive at rest
Drive extended
*This dimension is measured from the centerline of the mounting hole nearest the drive end head to the edge of the pinion.
PIPER AIRCRAFT
PA - 4 4 - 1 8 0 / 1 8 0 T
AIRPLANE MAINTENANCE MANUAL
CARBON PILE
STARTING
MOTOR
Figure 80-6. Stall Torque Hookup
CHART 8002. STARTING MOTOR SPECIFICATIONS
AMMETER
SPRING SCALE
GROUND
MZ-4220
32 oz.
40 oz.
10
75
2000
560
38.0
4.0
1.748 in. - 1.855 in.
2.388 in. - 2.495 in.
3I21
VOLTMETER
8 0 - 1 0 - 1 4
Page 80-09
Revised: May 15, 1989