5-64
MAINTENANCE
WHEN REQUIRED
REPLACING THE RUBBER CRAWLERS
• If you must work beneath the raised
machine or working equipment, always
use wood blocks, jack-stands or other
rigid and stable supports. Never get
under the machine or working
equipment if they are not sufficiently
supported.
• If maintenance must be performed with
the engine running, always work as a
two person team communicating each
other.
· One person must sit in the operator’s
seat so that he/she can immediately
stop the engine when necessary. He/
she must take care not to touch the
lever or pedal unless necessary.
· The one who performs maintenance
must make sure to keep his/her body
or clothing away from the moving part
of the machine.
Removal
1. Fully release the tension of the rubber
crawler.
Refer to “Inspecting and adjusting the
crawler tension” on page 5-28.
2. Use the working equipment to lift the
body.
3. Set an iron pipe (1) in the rubber crawler
and turn the sprocket slowly in the reverse
direction.
4. Turn until the iron pipe (1) is directly next to
the idler and the rubber crawler lifts away
from the idler, then stop turning the
sprocket.
5. Slide the rubber crawler sideways and
remove it from the crawler frame.
Remove the other rubber crawler using
the same procedure.
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