Eaton Ampgard 400, Инструкция по эксплуатации

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10
Instructional Leaflet
IB48041
Effective December 2009
Instructions for AMPGARD 400A
medium voltage starter
eaton corporatIon
www.eaton.com
Figure 24. Unsnap Pin Collar
Figure 25. Remove Pin
Figure 26. Remove Three Line-Side and Three Load-Side Bolts
(Bolt-In Contactor only)
Isolation switch
The isolation switch consists of a fixed rear portion and a remov-
able 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 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
 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.
Figure 27. Isolation Switch Control Plug
Figure 28. Isolation Switch Drive Rod
Line-Side
Bolts (3)
Load-Side
Bolts (3)
Collar
Control
Plug
Disconnect
by Removing
Pin in Clevis
Drive Rod