Dynapac CA 301 - Page 11

11CA 251/301 M251EN2
EVERY 10 HOURS OF OPERATION (Daily)
Scrapers (CA 251)
- checking, adjustment
2
1
Adjust distance to the drum as follows:
1. Loosen the four fastening bolts.
2. Adjust the scraper blade about 10 mm (0.4") from
the drum.
3. Tighten the fastening bolts.
Fig. 5 Scraper
1. Fastening bolts
2. Scraper blade
Drum:
Ensure that the scrapers are intact and adjust the
distance as follows:
1. Loosen all the fastening bolts.
2. Adjust the scraper to the drum.
3. Tighten the fastening bolts.
Tire:
1. The scraper blade (4) shall make contact with the
tire with a 20 mm (0.8") pre-tensioning of the spring
(3). The pre-tensioning is adjusted with the scraper
stretcher (2).
2. For transport runs, retract the scraper from the tire
and secure with the cotter pin (1).
Fig. 6 Scraper
1. Fastening bolts
2. Scraper blade
2
3
4
Fig. 7 Tyre scraper
1. Cotter pin
2. Scraper stretcher
3. Spring
4. Scraper
1
1 2
Scrapers (CA 251A)
- checking, adjustment