THE NEW PIPER AIRCRAFT, INC.
PA-32-301FT / 301XTC
MAINTENANCE MANUAL
PAGE 10
Jun 1/03
2G10
24-30-00
(3) Field Circuit Open or Ground Test (Refer to Figure 8.)
(a) Set ohmmeter selector switch to resistance scale one and zero meter.
(b) Connect one lead to the FLD terminal and the other lead to the GRD terminal.
(c) Spin alternator pulley and note ohmmeter reading. Meter should read between 4 and 200
ohms and fluctuate while rotor is turning.
(d) A reading lower than four ohms indicates:
1 A grounded positive brush.
2 A grounded field terminal.
3 A defective rotor.
(e) A reading higher than 200 ohms indicates:
1 Worn out or hung brushes.
2
An open brush lead.
3
A defective rotor.
Field Circuit Open or Ground Test
Figure 8
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