Preventive Maintenance Edge MAXX
4-20
Check All Electrical Connections
Over time, the continued heating and cooling
process can cause electrical connects to become
loose.
Required Tools
thin, slotted screwdriver
Perform only when the unit is OFF
with power disconnected.
Turn power OFF at the main disconnect
switch.
Open the right endframe and the electrical
box doors.
Test each wire’s connection by gently
pulling on it.
Tighten any loose connections.
Close both doors.
1.
2.
3.
4.
5.
Check Insulation Resistance to
Earth Ground
Required Tools
voltmeter
Perform only when the unit is OFF
with power disconnected.
WARNING
Only a qualified electrician
should make or correct any
electrical connections in or
to the unit.
Turn power OFF at the main disconnect
switch.
Connect a voltmeter between the unit’s
frame and a separate, known earth
ground.
If there is a reading on the voltmeter, check
and repair the spreader/feeder’s ground
connection.
1.
2.
3.
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