Piper Navajo PA-31 Service Manual page 710

PIPER NAVAJO SERVICE MANUAL
11-19. ALTERNATOR SERVICE TEST SPECIFICATIONS. DELCO-REMY
Specifications for 28 volt alternators installed as standard equipment on the PA-31 are as
follows:
Alternator
1100718
DELCO-REMY, Ref. Service Bulletin 1G-187, IG-262
Field Current
(80
°
F)
Amps
1.2 - 1.3
Volts
24.0
Cold Output
Spec. Volts
24.0
Amps
6
Approx. R.P.M.
2000
Amps
46
Approx. R.P.M.
5000
Hot Output
Amps
50
11-20. OUTPUT CHECK: To check the alternator on a test bench, make elec-
trical connections as shown in Figure 11-10, operate at specified speed, and
check for rated output as given in Paragraph
11-19. Adjust the load rheostat,
if necessary,
to obtain the desired output.
NOTE
A special adapter which can be used for making con-
nections to the alternator
is available from tool com-
panies and test equipment
manufacturers normally
supplying equipment to the aviation trade.
CAUTION
Do not polarize alternator.
Reissued: 10/12/79 ELECTRICAL SYSTEM
Effectivity
DELCO
4B8