Method For Adjusting Bucket Clearance - Komatsu PC290LC-11 Operation & Maintenance Manual

Hydraulic excavator

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To pull out pin (1) of tooth (2), put block (5) under the bot-

tom of the bucket, and make the bottom surface of the

bucket horizontal.　

Check that the work equipment is in a stable condition,

then set the lock lever to LOCK position (L).

Place a bar on the head of pin (1), hit the bar with a ham-

mer to knock out the pin, then remove tooth (2).

If it cannot be removed by this method, ask your Komatsu

distributor to have the replacement performed.

Clean the mounting face. Fit a new tooth (2) in the adapter,

push in pin (1) partially by hand, then lock it with a hammer

to install the tooth to the bucket.

METHOD FOR ADJUSTING BUCKET CLEARANCE

It is dangerous if the work equipment moves by mistake

when adjusting the bucket clearance.

Lower the work equipment to the ground, set it in a stable

condition, stop the engine, and set the lock lever securely

to LOCK position (L).

MAINTENANCE PROCEDURE

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