GE Industrial Solutions Power-Vac ML-20 Mechanism User Manual
Page 35

35
TABLE 2 MEASUREMENTS
ITEM
BREAKER
CL. SPRING
OP. SPRING
MEASUREMENT
PG.
CONTACT
WIPE
OPEN
CLOSED
CHARGED
CHARGED
DISCHARGED
CHARGED
MEASURED BETWEEN BELLVILLE
WASHER AND TRUNION
23
CONTACT
GAP
OPEN
CLOSED
CHARGED
CHARGED
DISCHARGED
CHARGED
MEASURE THE TRAVEL OF THE
OPERATING ROD INSULATOR
23
CONTACT
EROSION
CLOSED
DISCHARGED
CHARGED
INDICATION ONLY
10
TRIP
COIL
CLOSED
DISCHARGED
CHARGED
MEASURE BETWEEN PLUNGER
BUTTON AND COIL HOUSING
12
CLOSE
COIL
OPEN
CHARGED
DISCHARGED
MEASURE BETWEEN PLUNGER
BUTTON AND COIL HOUSING
12
CONTROL
SWITCHES
OPEN
DISCHARGED
DISCHARGED
DEPENDS ON SWITCH TYPE
SEE SECTION 8.6
12
TIMING
SEE SECTION 12
19
CONTACT
SPEEDS
SEE SECTION 13
20
TABLE 3 ADJUSTMENTS
ITEM
BREAKER
CL. SPRING
OP. SPRING
MEASUREMENT
PG.
CONTACT
WIPE
CLOSED
CHARGED
CHARGED
ADJUST OPERATING ROD TO
OBTAIN REQUIRED DIMENSION
23
CONTACT
GAP
OPEN
DISCHARGED
DISCHARGED
ADVANCE OR RETARD GAP
ADJUSTING NUTS TO SET GAP
23
CONTACT
EROSION
CLOSED
DISCHARGED
CHARGED
ALIGN REFERENCE TAB WITH
BAND ON INTERRUPTER ROD-
NEW UNITS ONLY
10
TRIP
COIL
CLOSED
DISCHARGED
CHARGED
TURN ADJUSTING NUT TO OBTAIN
REQUIRED DIMENSION
23
CLOSE
COIL
OPEN
CHARGED
DISCHARGED
TURN ADJUSTING NUT TO OBTAIN
REQUIRED DIMENSION
24
CONTROL
SWITCHES
OPEN
DISCHARGED
DISCHARGED
ADJUST MOUNTING BRACKET TO
OBTAIN REQUIRED DIMENSION
12
OVER-
TRAVEL
STOP
OPEN
DISCHARGED
DISCHARGED
SEE SECTION 16.3, ITEM 4 FOR
ADJUSTMENT
23