Instruction Book
Page 14
Effective: March 2007
For more information visit:
www.EatonElectrical.com
I.B
6513C80G
Figure 4-5 Drive Spring Shown Adjusted for 2 MOC
Switches
Figure 4-6a Drive Spring Shown Adjusted for 3 MOC
Switches
4-3 MECHANISM OPERATED CELL (MOC) SWITCH
PANTOGRAPH ADJUSTMENT
CAUTION
FOR ALL TYPE DHP HOUSINGS EQUIPPED WITH
MECHANISM OPERATED CELL (MOC) SWITCHES,
THE STEPS OUTLINED IN THIS PARAGRAPH MUST
BE PERFORMED BEFORE INSTALLING A
REPLACEMENT DHP-VR CIRCUIT BREAKER.
FAILURE TO COMPLETE THESE STEPS COULD
RESULT IN EQUIPMENT DAMAGE AND/OR
IMPROPER OPERATION.
Inspect the MOC pantograph in keeping with the
following steps and refer to Figure
4-7
additional
assistance.
Step 1:
Check for excessive wear in the bearing
surfaces of all pivoting members.
Step 2:
Check that the pantograph assembly is securely
bolted to the housing and that there is no
missing hardware.
Figure 4-1 MOC Pantograph Adjustment.
Figure 4-6b 5kV Drive Spring Adjusted for 3 MOC Switches