Prowinch PWHC1000i, User Manual

Page: 51 / 64

Troubleshoooting
47
Version 1.0 | 47 |
Condition
Reason Action Cause Correction
Improper noise Wear of chain wheel
Check wear degree on
chain, wheel slot, and
load chain. Replace if
badly worn
Long-term operation with
insufficient lubrication
Apply lubricating oil regularly
Excessive operation Avoid excessive operation
Overload Use under rated load
Incline pull Avoid incline pull
Condition
Reason Action Cause Correction
Irregular sound
from springs
(cracking sound)
Wear of pulley
Measure slot edge
thickness and load
chain, replace if
badly worn
Long-term operation with
insufficient lubrication
Apply lubricating oil regularly
Excessive operation Avoid excessive operation
Overload Use under rated load
Incline pull Avoid incline pull
Condition
Reason Action Cause Correction
Increased shaking
Wear of chain guide and
guide pulley
Measure benchmark size
and load chain, replace if
badly worn and limit size
exceeded
Incline pull Avoid incline pull
Condition Reason Action Cause Correction
Unable to lift loads Wear, breakage
Replace when obvious
wear or breakage occur
Long-term operation with
insufficient lubrication Apply lubricating oil and
inspect annually
Long-term operation with
insufficient lubrication (joint
part of motor shaft)
Apply lubricating oil and
inspect annually
Irregular operation Wear, breakage
Limit switch used too
frequently Avoid excessive use of limit
switch
Chain Wheel
Load pulley and empty pulley
Chain Guide
Chain Wheel, Junction Part