Operating & maintenance manual 6.2.1 Checking the drum area Before accessing the cab and starting the compaction roller, check its drum area. 1 Check the scraper(s) of the smooth or pad foot drum and the drive area for the accumulation of dirt. If required, clean the entire drum area by means of a high pressure washer. 2 Checking the scrapers: The smooth roller drum can be equipped with one of the following scraper types: x Standard scraper, rigid metal bar x Contact scraper, spring-loaded x Contact scraper with flexible vulcollan bar. After cleaning the drum area, check whether the scraper is correctly fitted at the smooth roller drum.
If the scraper ( 2 ) is not properly seated at the smooth drum ( 1 ), adjust it. Fig. 1 Checking the scrapers Standard scrapers (with rigid metal bar): x Loosen the fastening bolts ( 3 ) of the scraper. x Move the scraper ( 2 ) toward the smooth roller drum (1), to a distance of approx. 20 mm (0.8 in) . x Tighten the fastening bolts ( 3 ). 2 3 1 Fig. 1 Standard scrapers Contact scrapers, spring-loaded or vulcollan bar: Proceed as described above, but in this case, the scraper in question (flexible or spring-loaded) needs to fit tightly at the smooth roller drum. Fig. 1 Contact scrapers 29