Harrington Hoists and Cranes LB Lever Hoist - (L5) - Manual (Page 46)

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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 lever should make clicking sounds when moving the lever forward and backward.
 When lowering, the lever should make clicking sounds only when moving the lever backward (not forward).
Symptom Cause Remedy
Hoist will not lift –
Slight clicking
Improper assembly of ratchet disc, disc
installed backwards and making incorrect
contact with the pawl.
Reassemble the pawl and ratchet disc
properly. Ensure that clicking sounds are
heard before reuse.
Hoist will not lift –
Not Clicking
Pawl not engaging ratchet disc:
 Dirt or corrosion between pawl and pawl
shaft.
Clean and lubricate pawl and pawl shaft.
Pawl shaft
Pawl
Faulty pawl spring Replace pawl spring
Improper selector lever fit
 Missing selector pawl spring
 Assembled incorrectly (wrong direction)
Reassemble properly and ensure selector
lever clicks before reuse.
Lever upper side
Spring holder
N
DN UP
Select lever Select pawl
Spring shaft
Select-pawl spring
Select lever
Loose selector pawl spring Perform hoist maintenance.