31
Instruction Booklet
IB 52-01-TE
Effective October 2010
Instructions for the Eaton Type CM52
Network Protectors 800 to 4500 Amperes
EATON COrPOrATION www.eaton.com
31 IB -52-01-TE
Effective 11/05/08 (super cedes 11/19/03) IB 52-01-TE
31
•
Check the input sequence light on the test set befo re you switch the
test set on, this indicates that you hav e the correct phasing. If the
light is ON, Do Not turn th e test set on. Swap the outside power
phases, and re-ch eck light. If the light is still on, check fo r a blown
test set phase and then re-ch eck. Place the outside handle in the
AUTO position.
•
Pull the Electrical Interlo ck forward until the spring detent ball is in
front of the Interlo ck brack et.
•
Run the standard Relay t est sequen ce o f op ening and closing. (Repeat
electrical OPEN and CLOSE operations a min of 20 times)
•
Check closing of the break er with the outside handle. (5 operations)
RESTORATION
1. After completion of success ful tests, the NWP may be reinstalled as follows:
2. Veri fy Extern al Handle in the OPEN postion.
3. Lift the lev-in driv e shutter door and insert the 3/8” square end o f the wrench into the lev-in drive
socket
4. Turning clockwise until the “RED” indicator appears.
5. Remove crank and secu re
6. Close door and tighten hinge bolts first
7. Place handle in the automatic position
