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MACHINE OPERATIONS AND CONTROLS
ADJUST DIGGING DEPTH
There are mounting pin holes on the shank. Use either of them according to the digging depth. Use the lower
hole for the ordinary digging, and use the upper one for deep digging.
Change the digging depth according to the following procedure.
1.
Put a pointed rod to pin (1) and drive it out to the opposite
side by hitting with a hammer.
2.
Pull out pin (2) and change the position of the shank hole.
3.
Insert pin (1) half way by hand, then drive it with a ham-
mer.
Since the pin is made of one piece, insert the pin half way
by hand first, then drive and fit it with a hammer.
METHOD FOR REPLACING POINT AND PROTECTOR
•
For safety, do not drive out the point directly with a hammer.
•
Just after ripping work is finished, the point and protector are very hot. To avoid burn injury, wait
until the point and protector are cooled, and then start the work.
The point and protector are installed to the tip of the shank to protect the shank. If they are worn, replace them.
Put a pin puller to the pin indicated by the arrow, and hit it with
a hammer to drive out the pin.
The pin goes out of the opposite side to the side you hit.
REMARK
Since the pin is made of one piece, insert the pin half way first,
then drive it in with a hammer.
TIPS FOR LONGER UNDERCARRIAGE LIFE
Undercarriage life greatly varies depending on operation method, inspection and maintenance.
For most efficient operation, keep the following points in mind.
OPERATION METHOD
•
Use a track shoe suitable for soil condition.
For selection of the shoe, consult your Komatsu distributor.
•
Do not let the shoe slip during operation.
If the shoe starts slipping, decrease the load to prevent slipping.
•
Avoid rapid start, acceleration, stop, or unnecessary high-speed operation or sharp turn.
•
Travel as straight as possible. Do not turn only in either direction but turn in both directions evenly. Also,
secure turning radius as large as possible.
•
Clear the travel ground and remove obstacles so that the machine does not ride over large boulders or ob-
stacles.
3-186
k
k
WARNING
OPERATION
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