Quantcast Section IV. LEECE-NEVILLE MODEL R0015027RC

 

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Figure 3-6. Leece-Neville model 5027RB exploded view.
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TB-9-2920-225-34-1 100 AMP Regulator (Solid State) Manual
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Figure 3­8. Leece-Neville model 5027RC exploded view.
TB 9-2920-225-34-1
Figure 3-7. 0pen view­model 5027RB.
LEECE-NEVILLE MODEL R0015027RC
Section IV.
3-8. General. Figure 3­8 is an exploded view of
probe on TP2. Meter should read low ohms (hun-
dreds ).
the regulator, listing the major subassemblies.
Figure 3­9 is a plan view of the box subassembly
( 3 ) Reverse probes in (2) above. Meter
and an underside view of the cover subassembly,
should read high ohms (thousands).
showing the interconnect wiring. Figure 3­10 is a
(4) If other readings are obtained in (2) or
plan view of the box and an underside view of the
(3), replace diode D1.
cover showing the components and test points.
(5) Place positive probe on TP2 and negative
There are 10 test points. Figure 3­11 is an electri-
probe on pin C of connector J2. Meter should read
cal schematic diagram of the regulator circuit.
approximately 55 ohms.
(6) If another reading is obtained, remove
3-9. Checkout and Repair.
and replace both the relay and diode D2.
a. Diode D2 and Relay (see jigs. 3­8 through
b. Resistor R1. Place ohmmeter probes across
3­11) (voltage off).
resistor R1 (see figs. 3-9, 3-10, and 3­11 ), Meter
should read approximately 0.4 ohms.
(1) Place positive probe of ohmmeter to pin
F of connector J2 and negative probe on TP1.
c. Voltage Adjustment Rheostat.
Meter should read 0 ohms.
(1) Remove voltage adjustment access screw
from cover of regulator.
(2) Place positive probe on TP1 and negative
3-9

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