5.
Align the pin hole of arm (1) with replacement bucket hole
(2), then align the pin hole of link (3) with hole (4), and in-
stall pins (A) and (B) which are coated with grease.
REMARK
When inverting, do not install O-rings. Keep them until the next use.
6.
Install the stopper bolts and nuts for each pin, then grease the pins.
REMARK
• Lubricate with grease thoroughly until the grease comes out from the end faces.
• When replacing the bucket, replace the dust seal with a new one if it is damaged. If a damaged one is
used without being replaced, sand and dirt may enter the part of pin and cause abnormal wear of the
pin.
OPERATION MACHINE OPERATIONS AND CONTROLS
3-209
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