7.0 Troubleshooting



Read and comply with instructions in this manual and use the hoist properly.

Checking the sounds from the hoist in operation is a critical inspection. Note hoist sounds during operation. If a defect is found in the hoist, stop using it immediately and check the cause of the defect.

Only Trained and competent personnel should inspect and repair the hoist.

Table 7-1 Troubleshooting Guide

Note on proper operation:

When lifting, the hoist should make clicking sounds when moving the hand wheel.

When lowering, the hoist should not make clicking sounds when moving the hand wheel.

Symptom

Cause

Remedy

 

 

 

 

Improper assembly of ratchet disc, disc

Reassemble the pawl and ratchet disc

 

installed backwards, and making incorrect

 

properly. Ensure that clicking sounds are

 

contact with the pawl.

 

heard before reuse.

 

 

Hoist will not lift –

 

 

Slight clicking

 

 

 

 

Clean and lubricate pawl and pawl shaft.

 

Pawl not engaging ratchet disc:

Pawl shaft

 

Dirt or corrosion between pawl and pawl

Pawl

Hoist will not lift –

 

shaft.

 

Not Clicking

 

 

 

 

Faulty pawl spring

Replace pawl spring

 

Loose selector pawl spring

Perform hoist maintenance.

 

 

Reassemble gears properly and ensure

 

 

smooth operation before reuse.

 

 

 Ensure the ‘0’ & “V”

 

 

marks of gear #2 are aligned properly, as

Hoist will not lift –

 

shown.

 

 

Hand wheel will not

Gear #2 improperly timed

 

operate

 

 

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