Piper COMANCHE PA-24-180 Service Manual page 561

PIPER COMANCHE SERVICE MANUAL
9-56. Output Check. To check the alternator
on a test bench. make electrical connections
as shown in Figure 9-23, operate at specified
speed, and check for rated output as given in
paragrnph 9.57. Adjust the load rheostat, if
necessary, to obtain the desired output.
NOTE
A special adapter which can be
used for making connections to
the alternator is available from
tool companies and test equip-
ment manufacturers normally sup-
plying equipment to the aviation
trade.
DELCOTRON
FIGURE 9.23. CHECKING ALTERNATOR
OUTPUT
CAUTION
Do not polarize alternator.
9-57 Alternator Service Test Specifictions.
Delco-Remy specifications for 12-volt alternators
installed as standard equipment on the PA-24-260 and PA-24-400 aircrait are as follows
Alternator
1100660 1100717
Delco-Remy. Ref. Service Bulletin
1G-186. 1G-262 IG-186. 1G-262
Field Current (80; F)
Amps
Volts
Cold Output
Spec Volts
Amps
Approx. R P.M.
Amps
Aoprox. R.P.M.
2.2- 2.6
12
14.0
25
2000
65
5000
70
2.2 - 2.6
12
14.0
25
2000
65
5000
70
Hot Output
Amos
ELECTRICAL SYSTEM
ISSUED: 3/18/72
3 B15