HOSE AS 5278303 - Caterpillar

Smooth Drum Scrapers (If Equipped)
Steel Scrapers
Illustration 1 g00991799
There is one steel scraper that is located on the front bumper.Adjust
Loosen the six bolts (1) .
Adjust the steel scraper to 13 3 mm (0.5 0.1 inch) from the drum surface (2) .
Tighten the six bolts and check the distance between the scraper and the drum. If necessary, adjust the steel scraper again.Flexible Scrapers
Illustration 2 g00991824
Adjust
Clean the flexible rubber scrapers (5) of dirt and debris. Inspect the flexible rubber scrapers (5) .
Loosen bolts (4) that are holding the rear flexible scraper blade (5) to the scraper support assembly (3) .
Loosen bolts (4) that hold the front flexible scraper blade (5) to the scraper support assembly (3) .
Adjust flexible scraper blades (5) to 7 mm (0.25 inch) away from the surface of the drum.
Tighten the bolts (4) and check the distance between the flexible scraper blades (5) and the drum. If necessary, adjust the flexible scraper blades (5) again.Replace the Flexible Scrapers
Replace the flexible scrapers if excessive wear or damage is evident.
Loosen the bolts (4) and nuts that are holding the flexible scraper blades (5) .
Remove the flexible scraper blades (5). Install the new flexible scraper blades.
Adjust the flexible scraper blades (3) to 7 mm (0.25 inch) away from the surface of the drum..
Tighten the bolts and tighten the nuts. Check the distance between the scraper and the drum. If necessary, adjust the steel scraper again.Padded Drum Scraper Assembly (If Equipped)
Adjust
Illustration 3 g00991940
The scraper (6) is located in front of the drum. An optional scraper can be used at the rear of the drum.
Clean the dirt and the debris from the scraper (6). Inspect the scraper.
Loosen the three nuts (7) on each end of the scraper assembly.
Slide the scraper (6) toward the drum. Adjust the tips so the tips are 20 3 mm (0.8 0.1 inch) from the surface of the drum.
Tighten the bolts (7). Check the distance between the tips and the drum. If necessary, adjust the scraper again.