Piper ARROW III Service Manual

2I15
TABLE XI-V. ELECTRICAL SYSTEM TROUBLESHOOTING (cont)
Zero output indicated on Interruption of voltage
ammeter regardless of through any of these
rpm (refer to alternator points isolates the faulty
system test procedure). component or wire which
(cont) must be replaced. (See
wiring schematic.)
Open field winding in Disconnect field terminal
alternator. of alternator from field
wiring and check for
continuity from field
terminal to ground with
ohmmeter (20 - 100 ohms)
depending on brush
contact resistance. (Pull
propeller slowly by hand
turning alternator rotor
through 360° of travel.)
CAUTION
Turn magneto switch to off
before turning prop.
If resistance is high, check
brushes for spring tension
and excessive wear and
replace if necessary. If
brushes are okay and field
reads open, replace
alternator.
Trouble Cause Remedy
Revised: 2/13/89
CHEROKEE ARROW III SERVICE MANUAL
ELECTRICAL SYSTEM
ALTERNATOR (cont)

Piper ARROW III Specifications

General

Manufacturer	Piper Aircraft
Model	ARROW III
Engine	Lycoming IO-360-C1C6
Horsepower	200 hp
Maximum Takeoff Weight	2, 750 lb (1, 247 kg)
Seating Capacity	4
Propeller	2-blade, constant speed
Length	24 ft 7 in (7.49 m)