Piper COMANCHE PA-24-180 Service Manual page 584

PIPER COMANCHE SERVICE MANUAL
Lock Test
Amps
Min. Torque, Ft.-Lbs.
Approx. Volts
300
18
7.3
570
27.5
6.3
500
64
3.4
9-74. Strting
Motors (Prestolite).
9-75. Descriptin.
The gear reduction starting motor consists of six major components: The
Commutator End Head Assembly, The Armature,The Frame and Field Assembly.TheGearHousing,
The Pinon Housing, and The Bendix Drive Assembly. Refer to Figure 9-29a.
9-76. Operation. When the staring circuit is energized, b. y current is applied to the starting
motor terminal. Current flows through the field coils, creating a strong magnetic field. At the
same time, current flows through the brushes to the commutator, through the armature windmgs to
BRONZE BEARING-
FIGURE 9-290. EXPLOOED VIEW OF GEAR REDUCTION STARTING MOTOR
ELECTRICAL SYSTEM
ISSUED: 8/18/72
0
3 C14