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 Plate 12348. Grounding Generator Field Winding
Plate 12344. Connections for Bench Check o f Gen-
(Wiring Connections Not Shown.)*
erater (Negative Ground Generator Shown.)
STEP 6. If output is within 10 per cent of rated
STEP 1
Make connections as shown in plate 12344,
output as stamped on generator frame,
except leave the carbon pile disconnected.
generator is good.
CAUTION
STEP 7. If output is not within 10 per cent of
rated output, keep energizer or battery
USE A TEN-OHM RESISTOR RATED AT SIX
loaded with carbon pile and ground the
generator field (as shown in plate
WATTS OR MORE BETWEEN THE GENERATOR
12348).*
NO. 1 TERMINAL AND THE ENERGIZER.
STEP 8. Operate the generator at moderate speed
as required and adjust the carbon pile as
STEP 2. Slowly increase the generator speed and
required to obtain maximum current output.
observe the voltage.
STEP 9. If output is within 10 per cent of the
STEP 3. If the voltage Is uncontrolled with speed
rated output as stamped on generator
and increases above 15.5 volts on a 12-volt
frame, replace regulator (as outlined
system, or 31 volts on a 24-volt system,
in this section under "Brush Holder and
check for a grounded brush lead clip as
Regulator Replacement," page 12M103E).
covered in TROUBLE SHOOTING Section under
the heading, "Overcharged Energizer",
STEP 10. If output is not within 10 per cent of
Step 3. If not grounded, replace the
rated output, check the field winding,
regulator and check field winding.
d i o d e trio, rectifier bridge, and stator
as previously covered.
NOTE
The energizer or battery MUST be fully
*CAUTION
charged when making this check.
STEP 4. If voltage is below 15.5 volts on a 12-
TAB IS WITHIN 3/4 INCH OF CASTING SUR-
volt system, or 31 volts on a 24-volt
DO NOT FORCE SCREWDRIVER DEEPER
system, connect the carbon pile (as shown
FACE.
in plate 12344).
THAN ONE INCH INTO END FRAME.
STEP 5. Operate the generator at moderate speed
as required and adjust the carbon pile as
required to obtain maximum current output.
5-50H
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