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Power Output, Regulation, and Ripple test at 220-Volt Input
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TM-11-6130-243-35 Power Supply PP-4606/G Manual
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Figure 3-2. Connection Diagram for Output Power Test at 440-Volt input

TM 11-6130-243-35
(2) Connect the line lead of the ZM-21
3-5. Insulation Resistance Test
A/U to any terminal 1 of the tap
a. Test Equipment. The only test equip-
board on the rear of the PP-4606/
ment required is Ohmmeter ZM-21A/U.
G.
b. Test Connections and Conditions. This
test is performed with the PP-4606/G discon-
(3) Operate the ZM-21A/U and ob-
nected from the ac power source. This test
serve the indication on the ZM-21A
checks the insulation resistance of the primary
/U meter. The PP-4606/U meets
windings of power transformer T1. The test
the performance standard if the ZM
is written for the PP-4606/G strapped for
-21A/U meter reading is greater
220-volt ac operation.
than 10 megohms.
c. Procedure.
(1) Connect the ground lead of the
(4) Disconnect the ZM-21A/U from the
ZM-21A/U to the frame of the PP-
PP-4606/G.
4606/G.

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