Bormann Bpa9130 Electric Hoist User Manual

BPA6130
020790
User Manual

APPLICATION

The chain block is a portable lifting device easily operated by hand chain. It is suitable for use in factories, mines, farms, construction sites, wharves, docks, and warehouses for the installation of equipment, as well as for loading and unloading goods. It is especially advantageous for lifting work in open as grounds and places where no electric power supply is available. The chain block can be attached to a trolley of any type as a traveling chain block. It is suitable to monorail overhead conveying systems, hand traveling cranes, and jib cranes.

MAIN TECHNICAL PARAMETER

Technical Data

FEATURES

Five prominent features in design and in service are inherent in Chain Block:

1. Safety in operation and easy maintenance
2. High efficiency and small hand pull
3. Lightweight and easy handling
4. Fine appearance with small site
5. Durability in use

OPERATION

The Chain Block is designed with a transmission mechanism of symmetrically arranged two-stop spur gears. The main principle of operation is as follows: On pulling the hand chain, the hand wheel rotates in a clockwise direction, presses the friction plates and ratchet disc tightly against the brake seat, and causes these parts to rotate in unison, the driving gear shaft turns the disk gear, pinion shaft and spline gear to rotate hence the load chain sprocket which is mounted on the splined gear actuate the load chain to lift (or pull)the load smoothly and stably. The brake used is a ratchet disc with a set of single-acting friction plates. It holds up itself on load, and the pawl is meshed with the ratchet disc by force of the spring, thus ensuring the brake works safely.

CAUTIONS

1. Overload is strictly prohibited.
2. Prohibit other power but manpower from operating chain block.
3. Make sure that the chain blocks the lubrication of the transmitting part and load chain. Idle motion is in good condition.
4. Before lifting, inspect the hooks to see whether they are securely attached. Load suspension at hock tie is not remissible. The Iced chain should be kept vertically straight without any twist so as to ensure safety.
5. During operation, the operator should stand in the plane of the handwheel. To lift the load, pull the hand chain to rotate the handwheel in the clockwise direction. When pulling the hand chain in the reverse direction, the load Will be bayed down smoothly.
6. For the sake of safety passing or working under a lifting load is strictly forbidden.
7. While lifting or lowering a load, tit hand chain shaiii be Fulled steadily so as to prevent it from j taking a tangling.
8. Stop operation narcedialy in case the Sin pulls force exceeds that of normal operation. Proceed with inspection as follows
   (a) If there is anything entangled with the load
   (b) Whether there is any Double with the parts of the block.
9. Whether the load weight is over the rated capacity of the block.

MAINTENANCE

1. Clean off the dirt on the chain block, lubricate its parts with grease after use and store it in a dry place.
2. Maintenance and inspection should be made by a skilled hand. Never allow any layman to disassemble it to assemble the block (3) Align the “0” marks of the two gears while assembling.
3. While assembling the brake mechanism care should be taken to mesh the slanting teeth of the ratchet disc and pawl. Make sure that the siring and pawl work sensitively and reliably Mien turns the plates on the brake seat. Turning it counterclockwise, the tin should be clearance between the disc and plates.
4. After cleaning and repair the block should be subjected to no load lest and load test. A chain block can be put into operation after it has been tested and found reliable and in good condition.
5. Keep clean the friction surface of the brake. The brake mechanism should be impeded regularly for promoting faulty linking and failing the load.

PARTS ILLUSTRATION

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