150
RG268-8135-6
01/2019
Maintenance
Crawler tension - check
The crawler seam (1) is half way between the idler and sprocket.
Check the crawler sag as shown in the figure.
Crawler sag "A"
10-15 mm
If the crawler sag is more than 15 mm, adjust the crawler.
If necessary, tighten or loosen the crawler.
Start the engine and rotate the lifted crawler briefly.
Recheck the crawler tension, readjusting it if necessary.
Perform the procedures on the second crawler.
Checking the crawler tension (steel)
Check the crawler sag as shown in the figure.
Crawler sag "A"
80-85 mm
If the crawler sag is more than 85 mm, adjust the crawler.
If necessary, tighten or loosen the crawler.
Start the excavator and rotate the lifted crawler briefly.
Recheck the crawler tension, readjusting it if necessary.
Perform the procedures on the second crawler.
If the crawlers are too tight, wear is increased.
If the crawlers are too loose, wear is increased and the crawlers may come off.
Caution: The area around the rotating crawler must be free of persons. Turn the starter switch to the
STOP position after turning and remove the key.
Caution: The area around the rotating crawler must be free of persons. Turn the starter switch to the
STOP position after turning and remove the key.
STOP
STOP
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Страница 32: ...30 RG268 8135 6 01 2019 Safety rules...
Страница 48: ...46 RG268 8135 6 01 2019 Description of the excavator...
Страница 62: ...60 RG268 8135 6 01 2019 Assembly and functions...
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Страница 139: ...Maintenance RG268 8135 6 137 01 2019...
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