Method For Inverting And Replacing Cutting Edge And End Bit - Komatsu D85EX-18 Operation & Maintenance Manual

MAINTENANCE PROCEDURE
1.
Remove the undercover on the lower rear side of the ma-
chine.
1)
Remove bolts (1) (2 pieces) on the right side of the
machine.
2)
While supporting the cover, gradually remove bolts (2)
(2 pieces) on the left side of the machine.
3)
Lower and open the cover gradually.
(A) Front of machine
(B) Dangerous place
2.
Supply grease to the grease fitting shown by arrow. (2 pla-
ces)

METHOD FOR INVERTING AND REPLACING CUTTING EDGE AND END BIT

It is dangerous if the work equipment moves by mistake when the cutting edge and end bit are turned
180 deg. or replaced.
Set the work equipment in a stable condition, place the work equipment lock lever in LOCK position,
then stop the engine.
Turn the cutting edges and end bits 180 degrees or replace them before they are worn out to the blade end.
1.
Raise the blade to proper height, and place blocks under it to prevent it from lowering.
2.
Set the work equipment lock lever to LOCK position.
If both sides of the cutting edge are worn out, replace with new ones.
If the wear extends to the mounting surface, repair the mounting surface before installing the cutting edge.
3.
Stop the engine.
4.
Judge the wear of the end bit and cutting edge by the following wear standards.
4-26
k k
WARNING
MAINTENANCE