Years / 5000 Hours Inspection - WBM XPC500 Grapple Parts, Service And Installation

INSPECTION AND MAINTENANCE
XPC 500/600 GRAPPLE
SERIAL NUMBER

2 YEARS / 5000 HOURS INSPECTION

Lubricate
 Jaw Pivot Bushings
 Jaw Pivot Pin Bushings
 Jaw Cylinder Bushings
 Tool Cylinder Bushings
 Frame
 Link
 Saw / Outrigger
See Maintenance Section for Test Procedure
 Jaw Stops
 Head Tilt: Check drift and load holding
 Rotation Motors and Relief: Check drift and load holding
Structure
 Structure for Cracks, Dents and Damage. Include Welds, Material, Pin Keepers, Bosses etc.
 Stop Plate Assembly
 Jaw and Jaw Stops for Damage, Excessive Wear or Broken Teeth
 Loose Parts
 Loose or Missing Fasteners
 Rotation Bearing and Bolts. Perform 'Pre-load Test' by tilting the grapple forward and back.
Check movement in the bearing. Rotate the grapple in both directions. Check movement in
the bearing, listen for bearing noise. Measure and record bearing wear. Rotate Bearing 90°.
Replace Bolts.
 Tool Cylinder Joints and Pivot Points. Perform 'Pre-load Test' as above. Check wear in joints,
linkages and pins. If excessive, perform detailed inspection and measurement.
 Jaw and Jaw Cylinder Joints & Pivot Points. Fully open jaws. Close jaws until stopped by
jaw stops. Check wear in joints, linkages and pins. Check wear of each set of jaw stops. If
excessive, perform detailed inspection and measurement
 NDT (Non-Destructive Testing): Check critical welds and high stress areas
Hydraulics
 Hoses for Abrasion or Leaks
 All Cylinders for Leaks, Damage, Scores, Dents or Runs
 Drive Assembly for Leaks
 Swivel for Leaks
Weldco-Beales Manufacturing
Repair or Replace All Non-acceptable Items Before Use
Date
2 YEARS / 5000 HOURS SERVICE
2 YEARS / 5000 HOURS FUNCTIONAL CHECK
2 YEARS / 5000 HOURS INSPECTION
Name
 Swivel
 Motor(s) / Drive Assembly
 Body Rotation Bearing Raceway
 Body Rotation Bearing Gear Face
 Hinges


 Head Rotation
 Jaw Open/ Close
 Outrigger / Accessory
WBM
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