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10
Section 1: Assembly and Set-Up
DM3705, DM3706, and DM3707 Series Disc Mowers 327-083M
9/15/06
Table of Contents
Cutter Bar Assembly
Refer to Figure 1-3:
2. Attach outside material guide (#3) to cutter assembly
with 1/2” x 3 1/2” grade 5 hex head bolt (#8), 1” dia.
x 2” compression spring (#15), flat washer (#12), and
nylock nut (#11) as shown. Tighten locknut to
compress spring (#15) only enough to retard guide
movement.
3. Assembly front curtain support frame (#1) to curtain
support beam (#6) with three 3/8” x 2 1/2 grade 5 hex
bolts (#9) as shown. Secure with hex nylock nuts
(#10) and tighten to a loose fit. Insert three 3/8” x
2 1/8” clevis pins (#14) through the support arms as
shown and secure with 1/8” cotter hair pin (#13).
4. Assembly rear curtain support frame (#2) to curtain
support beam (#6) with six 3/8” x 2 1/2” grade 5 hex
bolts (#9). Secure with hex nylock nuts (#10) and
tighten to correct torque.
5. Do not attach end bumpers (#7) to curtain support
frames until instructions for “Canvas Curtain
Assembly” on page 12 are completed.
21023
Figure 1-3