Replacing pointed guards on a double knife header, Warning – MacDon D65 SP DHOM User Manual
Page 158

IMPORTANT:
The first four outboard guards (B) on drive side(s) of
header do not have a ledger plate. Ensure that proper
replacement is installed.
5.
Install hold-down, and secure with nuts. Tighten nuts
to 50 ft·lbf (68 N·m).
6.
Check and adjust clearance between hold-down and
knife. Refer to
Checking Knife Hold-Downs, page 149
.
Figure 6.39: Guards
A - Normal
B - Drive Side
C - Half Guard (End)
Replacing Pointed Guards on a Double Knife Header
WARNING
To avoid bodily injury from fall of raised reel, always
engage reel safety props before going under raised
reel for any reason.
Refer to
Replacing Pointed Guards on a Single Knife
for typical guard replacement.
The guard near the center of the double knife header
(where the two knives overlap) requires a slightly different
replacement procedure.
To replace the pointed center guard or center top guide on
a double knife header, follow these steps:
1.
Remove two nuts (B) and bolts that attach guard (A)
and top guide (C) to cutterbar.
2.
Remove guard, poly wear plate (if installed), top
guide (C), and adjuster bar (D).
Figure 6.40: Double Knife Guard
A - Knife Guard
B - Nuts
C - Top Guide
D - Adjuster bar
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