TM 9-2320-280-20-1
REFERENCE INFORMATION
ALTERNATOR
Change 1 2-224.3
NOTE
The regulator for this alternator has
overvoltage protection. Any output voltage
over 30.5 volts is an overvoltage.
1. Start test 10, Engine RPM.
2. Crank or start the engine. Displayed reading is
RPM. Engine RPM should be 1200-1500.
ENGINE RPM
STE/ICE-R TEST 10
Output voltage of 26-30.5 is acceptable for this
alternator.
NOTE
For 60 amp Prestolite alternator, go to B, page 2-204.
For 100 amp Prestolite alternator, go to C, page 2-208.
For 200 amp Prestolite alternator, go to D, page 2-212.
For 200 amp single voltage Niehoff alternator, go to E,
page 2-218.
For 100 amp single voltage Niehoff alternator, go to F,
page 2-222.
For 100 amp dual voltage Niehoff alternator, continue with
F.1.
For 200 amp dual voltage Niehoff alternator, go to G, page
2-224.6.
For 400 amp dual voltage Niehoff alternator, go to H, page
2-224.10.
NOTE
The regulator for this model alternator has
overvoltage protection. Any output voltage over
30.5 volts is an overvoltage.
Output voltage of 26-30.5 is acceptable for this
alternator.
1. Connect probe.
2. Start Test 90, DC amps.
3. Displayed reading is in amps.
0-1,500 AMPS DC
STE/ICE-R TEST 90