TROUBLESHOOTING & REPAIR
57
AVTM21-415Ja Rev. A June 2005
5.
Be sure that the correct current rating is used for
replacement.
6.
Install with breaker closing when handle is pushed toward
the rear of the set.
7.
Reverse the procedure to complete replacement.
REPLACEMENT OF VOLTAGE CONTROL
AUTOTRANSFORMER T1
1.
Disconnect all leads, noting the appropriate reconnection
terminal for each.
2.
Remove the voltage control knob.
3.
Remove the bushing nut.
4.
Pull the transformer free of the assembly.
5.
Replace the transformer through the panel.
6.
Tighten the panel nut.
7.
Reconnect the wires.
8.
Install the knob and check its alignment at zero and full
scale, then tighten.
REPLACEMENT OF THE K2 ASSEMBLY
1.
Disconnect relay K2, noting the appropriate reconnection
terminals for each wire.
2.
Remove K2 from the panel bracket.
3.
Replace K2.
4.
Reconnect relay K2.
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...