32
INSTANT THE BREAKER OPENS. A PRESET VOLTAGE AND A
MOMENTARY ON-OFF SWITCHING ACTION IS RECOMMENDED. DO
NOT SUSTAIN THE TEST POWER AFTER THE COIL HAS OPERATED.
MAKE SURE ALL LEADS ARE RECONNECTED AFTER THIS TEST.
8.10 SENSOR TAP INDICATOR
THE SPACE MARKED "RELAY" ON THE BREAKER NAMEPLATE
PROVIDES AN INDICATION OF THE SENSOR TAP SETTING ON THE
BREAKER (FIG. 3.3.1 ITEM 13). SHOULD THE SENSOR TAP BE CHANGED,
THIS INDICATOR CAN BE ADJUSTED TO SHOW THE NEW TAP SETTING.
THE INDICATOR IS ACTUALLY A WHEEL WITH NUMBERS IMPRINTED
ON BOTH SIDES. SIMPLY ROTATE THE WHEEL USING THE SLOT HEAD
SCREW TO THE RIGHT OF THE INDICATION WINDOW.
IF'THE SIZE OF SENSOR IN THE BREAKER IS CHANGED, IT MAY BE
NECESSARY TO REMOVE THE BREAKER FACEPLATE AND FLIP THE
WHEEL OVER TO REVEAL THE NUMBERS IMPRINTED ON THE BACK (IF
THE REQUIRED TAP SETTING IS NOT INDICATED ON THE EXPOSED SIDE
OF THE WHEEL). BE SURE TO CHECK ALL FACEPLATE INDICATORS
AND OPERATING BUTTONS, ETC. FOR FREEDOM OF MOVEMENT AFTER
REINSTALLNG THE FACEPLATE.
9. MAINTENANCE ACCESSORIES AND SPARE PART
9.1 MAINTENANCE ACCESSORIES
LIFTING DEVICES ARE AVAILABLE FOR ALL FRAME
SIZES OF BREAKERS. THE LIFTING DEVICE IS A ONE-PIECE YOKE
WHICH FITS INTO TABS ON THE BREAKER FROM THE ENCLOSURE
DRAWOUT RAILS. LIFTING YOKES ARE ORDERED AS FOLLOWS:
PART NUMBER 266-714
FOR 600, 800 AND 1600 AMPERE 1 4" FRAME H - 3
PART NUMBER 26G-542
FOR 600, 800, 1600 AND 2000 AMPERE 21 " FRAME H - 3
PART NUMBER 26C-151
FOR 3000, 3200 AND 4000 AMPERE H-3
PART NUMBER 26G-601
FOR 600, 800, 1600 AND 2000 AMPERE HL- 3
PART NUMBER 26G-603
FOR 3000 AND 4000 AMPERE HL-3
PART NUMBER 26G-732
FOR 6000 AMPERE H-3
FIG. 9.1.1 LIFTING DEVICE
IN ADDITION TO THE LIFTING DEVICES A NUMBER OF
MAINTENANCE ACCESSORIES ARE AVAILABLE AS DESCRIBED IN
SECTION 7.
THESE INCLUDE:
FIG. 9.1.2, MAINTENANCE ACCESSORIES.
1.
SLOW CLOSE HANDLE
2.
DEFLFCTION GAUGE
3.
DEFLECTION SHIMS
4.
DIFFERENTIAL SHIMS
5.
BEAR-TEX ABBRASIVE FIBRE
