(e) Remove adapters and
connect
(c) Current
regulator
maximum
cables.
amperage.
With
connected as shown on (6), figure
(f) Install regulator cover.
32, and either the test set carbon
pile load set up at 25 to 30 amps or,
80. Generator and Bracket
first having operated the starter for
a. On-unit Test.
10 to 15 seconds to provide the
(1) Make a test connection as shown on (4),
load, increase rpm to operating
speed, observe reading on ammeter
(2) Start engine and slowly build up rpm to
at which points first vibrate. This
operating speed. Observe voltmeter.
should be between 38 and 42
The minimum voltage is 27.5 volts.
amperes.
If adjustment is
necessary, adjust the current
(3) If voltage is not built up to required value,
regulator to 40 amperes in the same
generator is defective and must be
manner as the voltage regulator
replaced.
was adjusted.
b. Removal. Remove the generator from the
(d) Replace generator regulator cover
engine as instructed on figure 33.
and repeat all tests before removing
Note.
adapters. Run regulator voltage
If removing bracket, remove the
and amperage output through
generator regulator (para. 79).
several cycles of increasing and
c. Cleaning, Inspection, and Repair.
decreasing engine speed from idle-
(1) Clean the generator with a cloth
to-operating-to-idle speed to make
dampened with approved cleaning
sure adjustments are stable.
solvent.
Figure 31. Generator regulator, removal and installation.
AGO 8157A
50
