Replacing Scraper Blades

causym CAUTION: When removing self-adjusting scrapers for any reason, always wear protective gloves to help prevent injury from cutting edges of disk or scraper blades.

1. Remove lock nut (A), cap screw, and washer.


A-Lock Nut

N88153E1

NXN,OM444,P6 -19-15APR94-1/4

2. Attach locking pliers to scraper arm (A) that has spring hooked in lower hole.

3. Pull scraper against spring and out from tube (B).

4. Disconnect spring (C).


A-Scraper Arm
B-Scraper Tube
C-Spring

N88175JJ1

NXN,OM444,P6 -19-15APR94-2/4

5. Remove spring pin (A) and scraper blade (B).

6. Install new scraper blade on scraper arm. Drive in new spring pin centered in scraper arm.


A-Spring Pin
B-Scraper Blade

N41035

NXN,OM444,P6 -19-15APR94-3/4

7. Install scraper with spring in upper hole (A) first.

8. Connect spring to lower hole (B), pull against spring tension; starting scraper arm into tube hole. Align scraper arm with hole in tube and work into place. Remove locking pliers.

9. Install cap screw, washer, and new lock nut (C).


A-Upper Hole
B-Lower Hole
C-Lock Nut

N88153E2

NXN,OM444,P6 -19-15APR94-4/4