ROUTINE MAINTENANCE
49
AVTM21-415Ja Rev. A June 2005
d.
Remove the guard screen, and using the insulated
jumper, short circuit both capacitors C101 and C102
(see Fig. 15 for identification).
*On sets equipped with -47 option, the Test Set chassis must
be disconnected from the step-down transformer. This
transformer is located in the cover. Before attempting to
remove the Test Set from the case, disconnect from the
terminal block.
7.
Completion of Inspection
a.
Wipe the circuit card with a clean dry cloth to remove
accumulated dust. Wipe the interior of the case.
Visually inspect the interior connections and
components.
b.
Re-install the guard screens. Make sure that the rear
screen fully clears the panel-mounted resistor R1 and
that the front screen fully clears the Zener diodes CR1
and CR2.
c.
Re-install the set in the case.
d.
Coil the leads and replace them in the lead
compartment.
If defects are discovered during this inspection see Section 12
for repair procedures. If all is in order, the performance may be
checked by following the procedure given in Section 13.
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...
