GE Industrial Solutions PowerVac 5kV VL PV VL 4.16-250-0 - Manual (Page 43)

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TABLE #1 MEASUREMENTS
CLOSING OPENING
ITEM BREAKER SPRING SPRING MEASUREMENT
Contact Open Charged Discharged Measure the stem or between
Wipe Closed Charged Charged spring block and nut
Contact Open Charged Discharged Measure the travel of the
Gap Closed Charged Charged operating rod insulator
Contact
Trip Closed Discharged Charged Measure between plunger
Coil button and coil housing
Close Open Charged Discharged Measure under the collar
Coil to the end of plunger
Control Open Discharged Discharged Depends on switch type
Switches See Chapter 8
Timing See Chapter 10-10
Contact See Figure 26
Speeds
Motor
Cutoff
See Figure 47
Switch
PowerVac ® 5kV Vertical Lift
Chapter 11. Mechanical Adjustments
TABLE #2 ADJUSTMENTS
CLOSING OPENING
ITEM BREAKER SPRING SPRING MEASUREMENT
Contact Closed Charged Charged Adjust operating rod to obtain
Wipe required dimensions
Contact Open Charged Discharged Use buffer shims to advance
Gap or retard gap adjustment
Contact
Erosion
Trip Closed Discharged Charged Turn adjusting nut to obtain
Coil required dimension
Close Open Charged Discharged Loosen set screw and
Coil move collar up or down
Control Open Discharged Discharged Adjust link
Switches
Motor
Cutoff
See Figure 47
Switch
Measure distance from bottom of
insulated operating rod to bottom
of stainless steel interrupter
support
Erosion
Replace interrupter when
wear exceeds 0.125”