15.1 Manual Chain Falls and Vertical Hoisting

Distinguish the operating chain from the load chain

A manual chain fall uses a hand chain to operate gearing that raises or lowers a separate load chain and hook. The hand chain is an operating control, not a sling. The load chain is part of the hoist’s rated mechanism and must not be replaced with ordinary chain or wrapped around the payload as an improvised sling.

Select a hoist with adequate rated load, lift travel, headroom and mounting arrangement. Its top support must carry the complete imposed demand, including applicable hoist weight and operating effects. A rated hoist suspended from an unverified pipe or ceiling member does not establish a rated system.

Manual operation can suit precise, low-speed lifting where power is unavailable, but operator effort is not a load indicator. A mechanism can generate high force through gearing even when the pull feels manageable. If the load does not move as expected, stop and identify the obstruction rather than adding people to the hand chain.

Verify the support and hook seating

Attach the upper hook or suspension through an approved connection that permits alignment. The force must enter the intended bowl rather than the tip or latch. Keep the hoist body clear of obstructions. A side pull can change the load path and damage the suspension or mechanism; follow the manufacturer’s permitted operating direction.

A hoist with enough travel to reach a destination may still have insufficient lowering range for an abort or transfer. Consider the whole sequence, including initial attachment and safe return. Do not arrive at the end of chain travel while the only option is an improvised new suspension.

Inspect before operation

Check identification, chain condition, hooks, latches where required, brake function, suspension and other specified components. The load chain must be correctly reeved and free of twists. A twisted chain can bind or damage the mechanism. Manufacturer instructions define the inspection and functional-check procedure.

Inspect for damaged links, wear, corrosion, deformation and unauthorized repairs. Do not use a hoist with missing required labels or an uncertain rating. A successful previous lift does not prove present condition. The support and lower rigging require their own inspection as well.

Do not lubricate or service components arbitrarily. The chain and brake may have different maintenance requirements, and an inappropriate lubricant can impair function. Authorized maintenance follows the product manual; the rigger’s pre-use inspection identifies defects and removes unsuitable equipment from use.

Operate smoothly and observe control

Take slack slowly, verifying both hooks seat and the load chain aligns. Keep hands and body clear of closing connections. Carry out the planned small lift and check that the load holds as required by the manufacturer and plan. Unexpected drift or brake movement requires stopping use and a controlled response.

Avoid shock loading and pulling the hand chain beyond its intended operating method. Do not attach a motor, power drill or winch to a manual chain hoist unless the manufacturer explicitly provides that system. More input force can overload the mechanism or supporting structure rather than safely increase capacity.

Two-hoist example

Two manual hoists support an off-center machine. A 12,000-lb total does not mean each automatically carries 6,000 lb. Calculate reactions from the actual CG and support geometry, then verify each hoist’s capacity and the movement sequence. Independent changes in height can alter attitude and impose unintended forces.

Ordinary independent hoists are not an automatic equalizing system. Use an approved plan for coordinated movement and transfers. One operator taking extra chain to level the load can change another connection’s demand, so clear communication and hold points are needed.

Land before disconnecting

Set the load on approved supports, install required restraints and verify stability before releasing tension. The lower hook may move suddenly when a tight connection becomes slack. Remove it from a safe position without letting heavy gear drop.

If the load must remain suspended, follow the equipment and site’s permitted holding procedure and maintain required supervision and controls. Do not assume a manual brake allows indefinite unattended suspension or serves as a permanent structural support.

The Level II practical course uses chain-fall hoists with its own task restrictions. The second hoist is prohibited for the level-lift task and permitted for frame rotation. Those exam rules concern the course, while the field hoist still needs its manufacturer’s load, chain, support and operating requirements.

Sources: CCO hoist topic and practical outline, CMCO hoist manuals.