
ALTERNATOR SYSTEM (CHRYSLER).
BENCH TESTING ALTERNATOR.
ROTOR FIELD COIL CURRENT DRAW. (Refer to Figure 24-3.)
1. Connect a jumper wire between one field terminal of the alternator and the positive terminal of a fully
charged battery.
2. Connect the test ammeter positive lead to the other field terminal of the alternator and the test ammeter
negative lead to the battery negative terminal.
3. While watching the test ammeter, slowly rotate the alternator rotor by hand.
A. Field coil draw should be 4.5 to 6.5 amperes at 12-volts.
—NOTE—
A low rotor coil draw is an indication of high resistance in the
field coil circuit (brushes, slip rings or rotor coils). A higher rotor
coil draw indicates possible shorted rotor coil or grounded rotor.
B. No reading indicates an open rotor or defective brushes.
TESTING ALTERNATOR INTERNAL FIELD CIRCUIT.
To test the alternator internal field circuit for a short circuit to ground, proceed as follows:
1. Remove the ground brush and place one test probe of a 110-volt test lamp to the field terminal. Attach
the remaining test probe to a machined surface at one of the alternator end shields. The test lamp should not
light. (Refer to Figure 24-4.)
2. Should the test lamp light, proceed as follows:
A. Remove the insulated brush assembly.
B. Remove the three through bolts and separate the two end shield assemblies.
C. Touch one of the test lamp probes to one of the slip rings and the remaining test probe to the rotor
shaft. The lamp should not light. A lighted test lamp indicates a grounded rotor assembly and will
require replacement of the rotor. If the test lamp does not light, a ground condition exists in the
insulated brush assembly. The brush assembly has either been improperly assembled or was
damaged and has short circuited through to ground. Inspect brush holder and insulated washer and
replace if damaged.
—NOTE—
The stack of parts attaching the insulated brush holder assembly
to the end shield must always be installed in the following
sequence: Insulated brush holder, “FLD” terminal, insulating
washer, lock washer and attaching screw.
24-32-03
EFFECTIVITY:
Page 24-14
CHRYSLER ALTERNATOR
Revised: July 13, 1983
1I9
PIPER AIRCRAFT
PA-28RT-201 / 201T
MAINTENANCE MANUAL
Содержание Arrow IV
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Страница 22: ...CHAPTER TIME LIMITS MAINT CHECKS 1A22...
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Страница 40: ...CHAPTER DIMENSIONS AND AREAS 1B16...
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Страница 53: ...CHAPTER LIFTING AND SHORING 1C5...
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Страница 57: ...CHAPTER LEVELING AND WEIGHING 1C9...
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Страница 62: ...CHAPTER TOWING AND TAXIING 1C14...
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Страница 66: ...CHAPTER PARKING AND MOORING 1C18...
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Страница 70: ...CHAPTER REQUIRED PLACARDS 1C22...
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Страница 77: ...CHAPTER SERVICING 1D5...
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Страница 110: ...CHAPTER STANDARD PRACTICES AIRFRAME 1E14...
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Страница 117: ...CHAPTER ENVIRONMENTAL SYSTEM 1E21...
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Страница 169: ...CHAPTER AUTO FLIGHT 1H1...
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Страница 176: ...CHAPTER COMMUNICATIONS 1H8...
Страница 185: ...CHAPTER ELECTRICAL POWER 1H17...
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Страница 233: ...CHAPTER FLIGHT CONTROLS 1J17...
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Страница 297: ...CHAPTER FUEL 2A18...
Страница 320: ...CHAPTER HYDRAULIC POWER 2B17...
Страница 355: ...CHAPTER LANDING GEAR 2D4...
Страница 418: ...CHAPTER LIGHTS 2F19...
Страница 430: ...CHAPTER NAVIGATION AND PITOT STATIC 2G7...
Страница 444: ...CHAPTER OXYGEN SYSTEM 2G21...
Страница 464: ...CHAPTER VACUUM SYSTEM 2H17...
Страница 473: ...CHAPTER ELECTRICAL ELECTRONIC PANELS AND MULTI PURPOSE PARTS 2I2...
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Страница 477: ...CHAPTER STRUCTURES 2I6...
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Страница 496: ...CHAPTER DOORS 2J1...
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Страница 505: ...CHAPTER STABILIZERS 2J10...
Страница 514: ...CHAPTER WINDOWS 2J19...
Страница 519: ...CHAPTER WINGS 2J24...
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Страница 550: ...CHAPTER PROPELLER 3A18...
Страница 565: ...CHAPTER STANDARD PRACTICES ENGINE 3B9...
Страница 568: ...CHAPTER POWER PLANT 3B12...
Страница 592: ...CHAPTER ENGINE FUEL AND CONTROL 3C12...
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Страница 611: ...CHAPTER IGNITION 3D7...
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Страница 655: ...CHAPTER ENGINE INDICATING 3F16...
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Страница 664: ...CHAPTER EXHAUST 3G1...
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Страница 669: ...CHAPTER OIL SYSTEM 3G6...
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Страница 673: ...CHAPTER STARTING 3G10...
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Страница 688: ...CHAPTER TURBINES 3H1...
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Страница 694: ...CHAPTER 91 CHARTS AND WIRING DIAGRAMS 3H7...
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Страница 739: ...CHAPTER 95 SPECIAL PURPOSE EQUIPMENT 3K1...
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