2. ADJUST MAIN SCREED TRAILING EDGE FOR ZERO CROWN

3. ADJUST MAIN SCREED LEADING EDGE FOR 0.06 TO 0.19 IN. (1,5 TO 4,8 MM) POSITIVE CROWN

TM-5-3895-373-20 Bituminous Distributor Body M918 Model D-63 Manual
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TM 5-3895-373-20 15.4. REPLACE/REPAIR CROWN ADJUSTMENT ASSEMBLY - Continued. D. ADJUST - Continued. 2. ADJUST MAIN SCREED TRAILING EDGE FOR ZERO CROWN. a. Disconnect and remove connecting link (20) from roller chain (19). b. Position straightedge (26) on bottom trailing edge of main screed (27). Visually check for positive or negative crown (bowing) at center of main screed trailing edge. NOTE If rear sprocket wheel assembly is not easily moved, it may be necessary to adjust the front sprocket assembly. c. Using crown adjustment wrench (13), turn rear sprocket wheel assembly (10) up to eliminate a negative crown and down to eliminate a positive crown along trailing edge of main screed. When adjusted for zero crown, trailing edge of main screed will be flat with straightedge within 0.06 in. (1,5 mm). GO TO NEXT PAGE 15-40

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