Case 580SR Service Manual page 1065

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SECTION 84 - BACKHOE 27
5. TELESCOPIC DIPPER REVISION
INSPECTION OF GUIDE PADS
Park the machine on level ground and retract the tel-
escopic dipper.
Position the dipper on a suitable stand with the buck-
et raised from the ground.
Clean the area around the pads.
Inspect each upper guide pad and if the chamfered
edge (1) on the corner of the pads is no longer visible
the pads have worn beyond their limit and must be
replaced.
If pads do not require replacement visually check if
the gap between the inner part of the dipper and up-
per guide pad is greater than 1.5 mm.
If the gap is greater than 1.5 mm the guide pads must
be adjusted.