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General| Brand | ITE |
|---|---|
| Model | 5HK75 |
| Category | Circuit breakers |
| Language | English |
Procedure for installing the circuit breaker into the switchboard, including safety precautions and initial steps.
Inspect circuit breaker arc chutes, contacts, and electrical connections for proper condition.
Procedure to check contact pressure by manually closing the breaker slowly.
Steps for positioning and securing the arc chute onto its pivot pin.
Instructions for removing the front barrier by unscrewing and lifting.
Steps to disconnect the return connection bar and remove arc chutes.
Carefully examine arc chutes for breakage, particles, and exterior damage.
Essential steps for cleaning metal and insulated parts of arc chutes.
Procedure for installing the barrier, ensuring proper positioning and securing.
Steps to rack the circuit breaker into the compartment to disconnect or test position.
Observe breaker conditions and manually charge/close springs from a safe distance.
Steps to remove the circuit breaker from the compartment after tripping.
Recommendations for a maintenance program, inspections, and checks after faults.
Procedure to adjust stationary main contact deflection and arcing contact touch.
Steps to adjust bridge pivot pressure by loosening and tightening a set screw.
Notes on operating mechanism adjustment, only if breaker fails to close electrically.
Adjust latch check switch for proper breaker closing after trip latch reset.
Adjust connecting rod length for proper clearance in the racking mechanism.
Refer to specific schematic diagrams for operational information.
Recommendations for stocking and ordering renewal parts with part details.
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