13
Instruction Booklet
IB48050
Effective September 2012
Instructions for installation,
operation, and maintenance of the
AMPGARD 15 kV, 300A vacuum starter
eaton Corporation
www.eaton.com
Figure 26. Unplug Control Harness
Bolt
Figure 27. Remove Bolt-Down Hardware
Collar
Figure 28. Unsnap Collar by Pushing Back
Figure 29. Remove Collar/Pin
Isolation switch
The isolation switch consists of a fixed rear portion and a removable
front portion . The switch should operate smoothly in both directions,
with an increase in resistance as the stabs engage the controller line
fingers . Inspect for any signs of mechanical wear or overheating .
To withdraw the removable portion:
1.
Remove the three main fuses .
2.
Remove the control plug .
3.
Remove the cotter pin and clevis pin from the drive rod clevis .
4.
Remove the two bolts securing the removable portion of the
switch to the fixed portion .
5.
Pull the switch forward, then down and out of the controller .
m
caution
take care not to let the switch quickly Drop Down as the
removable portion separates from the fixeD portion or
Damage to the shutter can occur.
Control Plug
Figure 30. Isolation Switch Control Plug