Dynapac CC 722C, Maintenance Manual

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12 CC 722/722C M722EN2
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EVERY 10 HOURS OF OPERATION (DAILY)
Adjust the scrapers to give a clearance of 1–2 mm
(0.04-0.08 in) along the entire width of the drum.
Unscrew the fastening screws (1).
Push the scraper (2) to the correct position, 1–2 mm
(0.04-0.08 in) from the drum (3).
Tighten the screws.
When the rubber/plastic has become so worn that the
scraper cannot be adjusted any more, lower the
scraper, unscrew the screws holding the blade, and
replace with a new one. Put the scraper back in position.
Scrapers
– Inspection and setting
Fig. 8 Scraper setting
1. Fastening screw
2. Scraper
3. Drum
1-2 mm
0.04-0.08 in
1-2 mm
0.04-0.08 in
Tire scrapers
Checking – setting
Fig. 9 Scraper setting
1. Scraper blade
2. Locking pin
3. Limit stop
Fig. 10 Scraper setting
1. Scraper blade
2. Locking pin
Make sure that the scrapers (1) are against the tires
when compacting asphalt compounds. Pull out the
cotter (2) and lower the scraper blades (1) against the
tires. The screw (3) is an adjustable limit stop for the
scraper blades.
The scrapers must hang freely from the tires during
transport driving. Lift up the scraper blades (1) and
latch them in the raised position with the cotter (2).
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3
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