M
58
AVTM21-415Ja Rev. A June 2005
REPLACEMENT OF CHASSIS-MOUNTED ASSEMBLIES
To replace chassis mounted assemblies, remove the panel
following the procedure given above and short-circuit the two
capacitors, then follow the appropriate steps on the next page.
REPLACEMENT OF CIRCUIT CARD U2
1.
Remove panel from chassis.
2.
Remove 4 corner screws that secure the card to the
chassis.
3.
Lift card for access to wiring.
4.
Cut or slide back the splice insulation to transformer lead.
5.
Carefully unsolder the connection to free the transformer
lead.
6.
Mark and remove the leads connected to the capacitors.
7.
Remove the screws holding the Zener diode heat sink
assembly to the card.
8.
Cut any tie-wrap and free card.
9.
Re-assembly is the reverse of this procedure.
CALIBRATION OF VOLTMETER
This procedure requires a dc meter that is capable of reading
both 7.5 kV and 15 kV with an accuracy of ±1% or better. On
either range this standard instrument should draw less than 0.5
mA.
Any AC/DC Kilovoltmeter, 0-19.99 kV, is recommended.
1.
Connect the test set as shown in Figure 16.
Summary of Contents for ATEC 210415 Series
Page 2: ...15 kV Megohmmeter Test Set Catalog No 210415 Series M...
Page 9: ...M 2 AVTM21 415Ja Rev A June 2005 Figure 1 15 kV Megohmmeter Test Set Catalog No 210415...
Page 13: ...M 6 AVTM21 415Ja Rev A June 2005 M...
Page 19: ...M 12 AVTM21 415Ja Rev A June 2005 M...
Page 23: ...M 16 AVTM21 415Ja Rev A June 2005 Figure 2 Schematic Diagram of the 15 kV Megohmmeter...
Page 30: ...SETTING UP 23 AVTM21 415Ja Rev A June 2005 Figure 4 Testing in a Substation...
Page 32: ...SETTING UP 25 AVTM21 415Ja Rev A June 2005 Figure 6 Testing Transformer Terminals...
Page 33: ...M 26 AVTM21 415Ja Rev A June 2005 Figure 7 DC Motor Test Setup Figure 8 Generator Test Setup...
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Page 53: ...M 46 AVTM21 415Ja Rev A June 2005 M...
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Page 73: ...M 66 AVTM21 415Ja Rev A June 2005 Figure 15A Interior View Figure 15B Interior View...
Page 75: ...M 68 AVTM21 415Ja Rev A June 2005 M...
Page 81: ...M 74 AVTM21 415Ja Rev A June 2005 M...
Page 82: ...M 2621 Van Buren Avenue Norristown PA 19403 1 800 723 2861 ext 8578 megger com...
