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General| Brand | Stahl |
|---|---|
| Model | ST20 |
| Category | Chain Hoists |
| Language | English |
Procedures must be carried out by qualified persons. No alterations. Use original parts.
Chain hoists are for lifting freely movable loads. Adhere to design and operating conditions.
List of prohibited uses, including explosive atmospheres, exceeding load, transporting persons.
Hazards like crushing, falling parts, electric shock remain. Follow preventative measures.
Operate with safety in mind, read instructions, know emergency stop, avoid pinching hazards.
Use tested slings, ensure load is suspended from hook base, do not remove safety latch.
Sections detailing trolley assembly and adjustment for different hoist models.
Step-by-step guide for assembling the trolley using suspension bolts and side cheeks.
Procedure for adjusting trolley to match runway width using distance washers.
Steps for fitting the suspension piece and securing the bolt on various hoist models.
Instructions for attaching the trolley to the runway beam and checking track clearance.
Warning about electric shock hazard without a protective conductor; ensure proper connection.
Operator responsibilities include workplace safety, load observation, daily checks, and safe operation.
Explanation of the control pendant functions and the dead man's control feature.
Procedure for using the emergency stop button and safety requirements before restarting.
Defines inspection frequency: daily, monthly, quarterly, yearly, and five-yearly.
Procedure to check slipping clutch function without load; motor must rotate.
Testing and adjusting the slipping clutch using a testing device.
Procedure for adjusting the slipping clutch with a test load, ensuring structural integrity.
Sections covering checking, adjusting, and replacing the hoist motor brake.
Procedure for checking brake function with a test load and measuring brake displacement.
Instructions for adjusting the brake by qualified personnel.
Steps for replacing the brake disc (brake rotor), including air gap measurement.
Procedures for checking chain condition, damage, wear, lubrication, and dimensions.
Use only original chains; do not turn or refit used suspension bolts.
Procedures for disassembling and assembling the chain stopper.
Table of recommended tightening torques for various thread sizes and property classes.
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