National Equipment 550 Scraper Replacement Parts
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Parts diagrams (401862 Rev K)
- Frame and Wheel Assembly p. 19
- 550-11 Wheel Adjustment Assembly p. 20
- Cutting Head p. 21
- Motor p. 22
- Switch—Domestic p. 23
- Switch—International Machines p. 24
- Switch—International Machines (Continued) p. 25
- Counterweight p. 26
- Labels p. 27
- Wiring Diagram—120V Domestic p. 28
- Wiring Diagram—230V International p. 29
- Wiring Diagram—110V International p. 30
Maintenance guides for this machine
How-to and troubleshooting from the PreFloor Knowledge Center.
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Walk-Behind Scraper Maintenance
The daily checks, blade care and adjustments that keep a walk-behind floor scraper cutting, based on National's 550 manual.
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Removing VCT and Its Adhesive
Getting VCT and its adhesive off concrete or wood: testing first, machine and blade setup, heat for small areas, and cleaning up the residue.
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