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IB-2807 -51 C METAL-CLAD SWITCHGEAR 5 KV POWER CIRCUIT BREAKERS TYPE 5HK7 5, 5HK150, 5HK250 AND 5HK350 I·T·E CIRCUIT BREAKER COMPANY...
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18-2807-51 METAL-CLAD SWITCHGEAR PAGE 2 <X: "'" "'" Fig 1.-View Showing Arc Chute and Contact Structure "'" <I:N •0 0'1" "'"f f- - 0 "' CL > Fig. Front View of Control Panel...
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IB-2807-51 METAL-CLAD SWITCHGEAR PAGE 3 INSTRUCTIONS FOR 5 KV POWER CIRCUIT BREAKERS TYPE 5HK75, 5HK150, 5HK250 AND 5HK350 CIRCUIT BREAKER INSTALLATION MANUAL SLOW CLOSE TO CHECK CONTACT PRESSURE (See Fig. GENERAL Engage manual charge handle (8) with charging lever ( 3). Pump charging lever until breaker closing springs The following procedure should be observed when snap into charge position.
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IB-2807-51 METAL-CLAD SWITCHGEAR PAGE 5 The circuit breaker operation may be checked in rear horn spacer bushings, warped or cracked jump gap "TEST" position by turning charging power switch ( plates and eroded disconnect pivot bolt and bushings. "ON" position and springs will automatically charge. Also check any erosion or distortion to front arc horn.
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18-2807-51 METAL-CLAD SWITCHGEAR PAGE 7 This may be caused if the latch check switch (when mately 1/8 inch minimum clearance at "A" between trip used) is not actuated. Circuit breaker should not close link ( 5) and blocking lever ( 4) with racking lock lever held against racking lock bracket ( 1) at "B".
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IB-2807-51 Consult Our Sales Offices The 1-T-E Circuit Breaker Company is represented in all principal cities of the United States and Canada. These representatives are experienced and are competent to make correct applications, as well as give complete information and prices. We suggest you consult the representative nearest you.
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