Prowinch PWA - Component Checks and Corrections

Version 1.0 Version 1.0
Inspection & Maintenance
32
32
Items
Inspecon
Method
Standards Correcon
Limit switch Check by pushing buon
Operate unl upper and lower
limit cause automac motor
shutdown
Replace limit switch, disassemble
and clean limit lever
Movement conrmaon Check by pushing buon
-Wire rope can roll up easily
-Motor shutdown immediately
when operaon stops
-All movements shutdown when
E-stop buon pushed
-Other buons cannot cause
movement when pushing the
E-stop buon -All movements
return to normal operaon when
E-STOP buon relieved
Brake Check by pushing buon
Brake quickly acvates and
operaon of boom hook
immediately stops (amount of
movement of the load wire rope is
within 2 to 3 rings)
Limit Spring
Visual inspecon and
measure dimensions
Wire rope
Length of spring Replace limit spring
Standard Limits
Ø6.3 145 140
Ø7.1 145 140
Ø10.0 135 129
Ø11.2 160 152