TM-9-2920-258-30-P
ALTERNATOR, 180 AMPERES, MODEL 5520AB
TECHNICAL MANUAL; DIRECT SUPPORT MAINTENANCE MANUAL
APRIL 1989
TM-9-2920-258-30-P - Page 57 of 76
TM 9-2920-258-30&P
Q
R
S
T
U
V
W
X
Y
Z
Field circuit rheostat (0-30) counterclockwise.
Battery circuit selector in the OFF position.
Circuit breakers in the DOWN position (press to ensure the CB’s are down).
Regulator check, fixed resistance method in the OFF position.
DC variable volts in the OFF position.
Load selection (all switches) in the OFF position.
Master load disconnect in the OFF position.
Variable load increase counterclockwise.
Voltage adjusting increase (VAR) countercloclwvise.
Starter rheostat, approximately three turns counterclockwise from fully clockwise.
AA
Starlertest in the OFF position.
AB
Equalizer coil test in the OFF position.
AC
Ignition switch in the OFF position.
AD
Bus bars B+ and G+ In Place.
AE
Bus bars B- and G- In Place.
AF
DC variable power supply 0-32 VDC (front panel) counterclockwise.
AG
Charger time control in the OFF position.
AH
Battery charger variable load counterclockwise.
Al
D-sensing switch in the OFF position. (NOTE: New model United test stand has a D-sensing switch
that is normally OFF [part number 7458-4].)
b Cable Connections
1 Wire the Alternator and rectifier to the test stand as follows (see Figure D-3):
A Connect the test cable from the Alternator to the test stand’s alternator section.
B Connect the test lead from the test stand’s GND (regulator section) to the test stand’s connection point
D (regulator section).
D-9
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