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 ASPHALT MIXERS AND PAVERS (Continued)
Scraper Blades
Carbon Steel
Primary Electrode: Page 1-26
Alternate Electrodes: Pages 1-25 or 1-22
Welding Procedures: Position blades of weldable steel
in suitable prehending jig or bolt blade to scraper
moldboard. Preheat to at least 400F. Apply
above-mentioned electrodes with slight weaving
motion. Deposit need not exceed 1-1/2 in. width.
Another method is to bolt pair of blades back-to-back
and use skip-weld technique, starting at center and
working toward each end, welding on the four cutting
edges alternately (Figure 2-5 1).
FIGURE 2-51. Hard-Facing Asphalt
Mixer Scraper Blades
2-57
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