When using a stainless steel lever hoist, strict control is required from multiple aspects such as operating standards, equipment inspection, environmental adaptation, maintenance, and safety protection to ensure the safe and efficient operation of the equipment. The following are specific precautions:

1、 Pre operation inspection

Appearance and structural inspection

Check whether the shell, handle, hook, load chain and other components are intact, without cracks, deformation or severe wear.

Confirm that the surface of the stainless steel material is free of rust, scratches, or coating peeling (especially focusing on the applicability of 316 stainless steel in highly corrosive environments).

Check whether the braking system (such as brake pads and springs) is sensitive and reliable, and ensure that the automatic braking function is normal.

Load chain and hook inspection

The load chain must not be twisted, knotted, or excessively stretched, and the wear of the chain ring diameter should not exceed 10% of the original size.

The hook should be equipped with a safety lock buckle, with an opening size not exceeding 15% of the original size, and without deformation or cracks.

Test the flexibility of the hook rotation to ensure 360 ° free rotation.

Environmental adaptability inspection

Confirm that the working environment meets the equipment requirements (such as temperature range, humidity, and concentration of corrosive media).

Explosion proof stainless steel lever hoists should be used in explosion-proof areas, and explosion-proof labels and certifications should be checked.

2、 Operating standards

Load limit

Overloading is strictly prohibited, and the load must not exceed the rated load of the equipment (such as 3 tons, 6 tons, etc.).

The load should be evenly distributed to avoid equipment overload caused by deflection or lateral tension.

Handle operation

Keep the handle dry during operation to avoid slipping; The rotation angle of the handle should not exceed 360 ° to prevent entanglement.

Operate the handle slowly and steadily to avoid rapid lifting that may cause impact or brake failure.

When the load is hovering, ensure that the brake is fully locked and prohibit hovering heavy objects for a long time.

Multiple collaborative tasks

If multiple hoists need to be lifted together, unified command is required to ensure even distribution of the load.

When synchronizing operations, the rhythm of the actions should be consistent to avoid overloading of a single unit.

3、 Environment and Safety Protection

Corrosive environment

After use in acidic, alkaline, salt spray and other environments, the equipment surface should be immediately rinsed with clean water and coated with rust inhibitor.

Avoid prolonged exposure to highly corrosive media, and if necessary, choose a higher corrosion resistance grade (such as 316L stainless steel).

High/low temperature environment

In high-temperature environments (such as the metallurgical industry), it is necessary to confirm the temperature resistance range of the equipment (304 stainless steel can withstand 800 ℃, 316 stainless steel can withstand higher temperatures).

In low-temperature environments (such as cold storage), it is necessary to check whether the lubricant is suitable to avoid component jamming.

Explosion proof place

Use explosion-proof equipment and ensure that electrical components (such as switches and motors) comply with explosion-proof standards (such as Ex d II CT4).

It is prohibited to carry out equipment maintenance or live operation in flammable and explosive environments.

4、 Maintenance and upkeep

Routine maintenance

Clean the surface of the equipment after each use to remove oil, dust, and corrosive substances.

Check key components such as load chains, hooks, and braking systems, and record wear and tear.

regular maintenance

Weekly: Check the flexibility of the hook rotation, lubricate the load chain and gear set.

Monthly: Conduct a comprehensive inspection of the electrical system (such as explosion-proof models) and safety devices (such as overload protection).

Quarterly: Replace brake friction pads and adjust brake clearance.

Every year: Disassemble and inspect the lifting mechanism, replace vulnerable parts such as bearings and sealing rings.

Lubrication and rust prevention

Use corrosion-resistant lubricants (such as food grade grease) to maintain bearings and gears.

When stored for a long time, place the equipment in a dry and ventilated place and apply rust proof oil.

5、 Safety taboos

Prohibited Acts

Overloading, lateral tension, inclined suspension, or impact loads are prohibited.

Do not continue to use under faults such as brake failure or load chain breakage.

Non professionals are prohibited from disassembling or modifying equipment.

Emergency Management

If there is abnormal noise, jamming or brake failure during operation, immediately stop using and evacuate the dangerous area.

In the event of an accident, keep the scene and contact the manufacturer or professional maintenance personnel.

6、 Regulations and Standards

Compliance requirements

The equipment must comply with international standards (such as ASME B30.21, OSHA 1910.179) and Chinese national standards (such as GB/T 30028).

Explosion proof models must pass certifications such as ATEX and IECEx.

Record and Trace

Establish equipment files to record data for each inspection, maintenance, and repair.

Keep the product certificate, user manual, and maintenance records for at least 5 years.

The main equipment produced by Hebei Makita: stage electric hoist, electric chian hoist, wire rope electric hoist，Hand chain hoist, lever hoist, pneumatic hoist and other lifting equipment