Case 580SR Service Manual page 1067

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SECTION 84 - BACKHOE 29
Unscrew and remove the screws (2).
Remove the guide pads (3). Install new guide pads
and apply some thread sealant No. 82995773 to the
retaining screws. Tighten to a torque of 29 - 31 Nm.
Do not over tighten or damage to the threaded in-
serts may occur.
Re-assemble inner and outer parts of telescopic dip-
per.
Place 5 shims beneath the heads of each adjusting
screw.
Adjust guide pads as described previously.
Procedure No. 2
This procedure requires the use of a loading dock or
service pit.
Park the machine with backhoe positioned over load-
ing dock or service pit.
Place the loader bucket on the ground and lower sta-
bilizers sufficiently to remove the weight from the
rear wheels.
Attach suitable hoist to top of inner section of dipper
and position boom so that dipper is hanging vertical-
ly.
Disconnect the hose connections to the bucket and
the telescopic dipper cylinders.
Remove the telescopic dipper cylinder retaining pin.
Slowly lower hoist allowing inner and outer parts of
telescopic dipper to separate.
Unscrew and remove the screws (2).
Remove the guide pads (3). Install new guide pads
and apply thread sealant to the retaining screws.
Tighten to a torque of 29 - 31 Nm. Do not over tighten
or damage to the threaded inserts may occur.
Position new lower guide pads in the outer part of the
telescopic dipper.
Re-assemble inner and outer parts of telescopic dip-
per.
Place 5 shims beneath the heads of each adjusting
screw.
Adjust guide pads as described previously.