Komatsu PC400LC-5 Operation & Maintenance Manual page 182

24. SERVICE PROCEDURE
o The rubber of the rubber pin lock is torn, and the steel balls may
come out.
The rubber is broken and the
steel balls come out easily.
s
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o The steel balls are buried when they are pressed by hand.
The steel balls can
be buried when
pressed with finger
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4. Clean the surface of adapter @ and remove the soil from it with
a knife.
5. Use your hand or a hammer to push rubber pin lock @ into the
hole of the adapter.
When doing this, be careful that the rubber pin lock does not fly
out from the adapter surface.
6. Clean the inside of point 0, then install it to adapter 0. If there
is mud stuck to it or if there are protrusions, the point will not
enter the adapter properly, and there will not be proper contact
at the mating portion.
I
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7. Fit point @ to adapter 0, and confirm that when the pointer is )
pressed strongly, the rear face of the hole for the pin of the point
Sticky material
is at the same level as the rear face of the hole for the pin of the
\
adapter.
I
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