Crane Maintenance 101: A Comprehensive Guide to Daily Maintenance and Inspection of Cranes
Cranes are powerful machines used to lift and transport heavy objects, and their maintenance and upkeep are essential for safe operation. Daily maintenance of cranes is essential to ensure the machine's longevity and reduce the likelihood of costly downtime due to repairs. This article outlines several key steps to maintain and keep cranes running smoothly.
The first step in crane maintenance is ensuring proper lubrication. The lubricating oil in the gearbox should be changed after 200 hours or 2 months of use. After this initial change, the lubricating oil should be changed once a year. The lubrication of bearings is typically centralized and should be performed at regular maintenance intervals. After adding oil, it's essential to cover the sealing cap of the oil nozzle to prevent rusting.
2. Inspection of the whole machineand peripheral parts
Inspection of the crane's tracks, sliding wire, total power cable, connection between the cart and end beam, trolley track, and limit is essential to ensure safe operation. For example, checking the track bolts, straightness, wear of the track, and rail gnawing helps maintain the smooth operation of the cart.
3. Inspection of the crane running mechanism
The inspection of the cart's operating mechanism is also an important step in crane maintenance. Checking the fixing of the running mechanism, gearbox, motor, brake, and brake clearance ensures the safe operation of the crane. It's essential to replace the friction plate if necessary and check that the fixing bolts and adjusting nuts of the brake are tight.
4. Inspection of the control electric box
The control electric box inspection should include checking the entrance of the cable into the control box, whether the remote control receiver can work normally, and whether the terminal block is aging or loose. It's also essential to check that the various switches and contactors and relays' wiring is tight.
5. Inspection of trolley
Inspecting the trolley's mechanism, buffer fixing, and trolley running mechanism is also essential to ensure safe crane operation. Checking the fixing of the gearboxes and brakes helps keep the crane running smoothly.
6. Inspection of lifting part
The lifting part of the crane is the most critical part of crane maintenance. Checking the reel's surface wear and lubrication, wire rope, hook, lifting limit switch, and other parts ensures safe operation. It's also essential to check that the wire rope pressure block is tight and whether the hook head can rotate freely.
In conclusion, daily maintenance of cranes is crucial for ensuring safe operation and reducing downtime due to repairs. Performing regular inspections and lubrication of cranes, inspection of the whole vehicle and peripheral parts, inspection of the crane running mechanism, inspection of the control electric box, inspection of the trolley, and inspection of the lifting part are essential steps to keep cranes running smoothly. By performing these steps regularly, operators can ensure the longevity and safety of their cranes.
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