4-15
4
TRAVEL SYSTEM
DISASSEMBLY AND ASSEMBLY
Removing the steel crawler
1. Stop the machine so that the master pin comes to the
front of the idler.
2. Relax the tension of the crawler (1).
When loosening the check valve (2), do it slowly and
stop as soon as grease start coming out.
If no grease comes out, shake the machine a little.
Check valve: 177 N·m
3. Pull out the master pin (3) and detach the crawler (1).
4. Raise the machine by using the dozer blade and the
hoe attachment, and then gradually remove the crawl-
er (1) while running the travel motor slowly in r
everse.
Crawler 259 kg
Installing the steel crawler
1. If using the blade and hoe attachment, raise the ma-
chine and position the crawler under the frame.
• Be careful to install the crawler in the proper direc-
tion.
2. Engage the links in the sprockets, and then slowly run
the travel motor in forward to wrap on the crawler.
3. Lower the machine, then install the master pin and en-
gage the crawler
.
• After lining up the pin hole, first insert a temporary
pin.
4. Raise the machine and adjust the crawler tension.
“2. Service data, Performance criteria”
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