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 TRACTOR PARTS AND ACCESSORIES
(Continued)
(NOTE: DO NOT USE BUILDUP ELECTRODE ON
Top Carrier Rolls
CAST IRON)
Cast Iron
Carbon Steel - Follow same procedure with
recommended alloys, but preheat is not necessary
Primary Electrode: Page 1-14
(Figure 2-8).
Carbon Steel:
Primary Electrode: Page 1-24
Alternate Electrodes: Pages 1-5, 1-3
Welding Procedures: Cast Iron - Mount roller on jig
for downhand welding after bushings have been
pressed out and surfaces cleaned. Preheat part to 1000
- 1200F. Play burner flame on roll during entire
welding operation. Apply two layers of electrode on
page 1-14 in wide transverse beads; weld alternately
on opposite ends of roll. Slow cool in asbestos or lime
box.
FIGURE 2-8. Hard-Facing Top Carrier Rolls
2-19
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