14
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
Disconnect by Removing Pin in Clevis of Drive Rod
Figure 31. Isolation Switch Drive Rod
Bolts (2) Securing Removable to Fixed Portion of Switch
Figure 32. Bolts Securing Isolation Switch
The fixed portion of the switch including the isolating shutter
remains in the controller . Medium voltage may be present at the
line fingers behind this shutter .
Before attempting to inspect the
line fingers or do other work on the fixed portion of the switch,
ensure that the controller incoming power is isolated and
locked out at an upstream feeder.
With the incoming power locked out, the fingers can be inspected
and the vertical bus connections checked for tightness . Remove
the polyester barrier mounted immediately below the switch for
access to the vertical bus connections (refer to
Figure 33
) . Verify
the operation of the shutter mechanism by gently pushing it to the
left . It should spring back to the closed position when released .
m
Danger
failure to lock out incoming power before servicing the
fixeD portion of the switch or the vertical bus can result
in equipment Damage, severe injury, or Death.
Remove Barrier for Access to Vertical Bus Connections
(incoming power must be locked out first)
Shutter
“Barber Poles”
(3) Visible
When Shutter
is Closed
Figure 33. Fixed Isolation Switch
Reinstallation is the reverse of the procedure above . Verify that the
shaft of the removable portion of the switch is rotated to the fully
open position before reinstallation .
m
Danger
if the switch is inserteD with the shaft in the closeD position,
the shutter may be forceD open anD live parts may be
contacteD, resulting in severe injury or Death.
