146 W9215-8135-1
06/2021
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.
Crawler tension - adjust
Tightening the crawlers
Position the grease gun on the grease nipple (1).
Pump the grease gun until the specified crawler tension is ob-
tained.
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.