TROUBLESHOOTING & REPAIR
55
AVTM21-415Ja Rev. A June 2005
REPLACEMENT OF METERS OR METER AMPLIFIER
BOARD
1.
Place the panel on a clean cloth with the meters face
down.
2.
Remove the leads and note the terminals to which they
should be reconnected.
3.
Remove amplifier board if necessary.
4.
Remove the four nuts and washers on the meter studs.
5.
Slide the meter from the panel.
6.
Replace the meter and reverse the above steps to complete
the repair.
REPLACEMENT OF MEGOHMMETER RANGE CIRCUIT
1.
Remove the range switch knob, switch shaft locknut and
washer.
2.
Unsolder the three leads attached to the U1 circuit card,
noting the proper reconnection terminals for each lead.
3.
Install the new U1 assembly.
4.
Tighten the switch shaft nut.
5.
Replace the knob so that the numbers line up with the
panel index lines. Be sure that all steps are aligned.
6.
Resolder the leads to the printed circuit card.
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...
Page 47: ...M 40 AVTM21 415Ja Rev A June 2005 M...
Page 53: ...M 46 AVTM21 415Ja Rev A June 2005 M...
Page 57: ...M 50 AVTM21 415Ja Rev A June 2005 M...
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...
