Summers Disk-Chisel - Manual (Page 69)

20' SHANK LAYOUT 8/29/2012 9CC2012H.iam/
30"
65 1/2"
18"
90"
6"
53"
102"
6" 42"
78"
114"
20' SHANK LAYOUT
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: SUGGESTED TWISTED SPIKE LAYOUT
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SECTION 2 – INST
ALLA
TION OF SHANKS
AND COUL
TER GANGS
2-57