CB-434C Vibratory Compactor Caterpillar

Inspect Drum Scrapers

Illustration 1	g00900226

There are four drum scrapers on the machine. There is an inner scraper and an outer scraper on both the front drum and the rear drum.

Illustration 2	g00590391

Check the scrapers for debris. Check the drum scrapers for damage and wear. Clean the debris off the drum scrapers.

Adjust Drum Scrapers

Illustration 3	g00680794

1. Inspect scraper (2). Clean the scraper of any debris.

2. Loosen bolts (5) for two turns. Loosen bolts (6) .

3. Adjust springs (4) and scraper blade (2) until the scraper just contacts the drum (1). The scraper must not deflect.

4. Tighten bolts (5) and (6) to a torque of 54 N·m (40 lb ft).

Replace Drum Scrapers

Illustration 4	g00680794

1. Loosen bolts (5) and (6) .

2. Remove bolts (3) .

3. Remove the scraper and replace the scraper (2) .

4. Install the bolts and tighten bolts (3) .

5. Adjust springs (4) and scraper (2). Perform steps 1 through 4 in "Adjust Drum Scrapers".