Replacing Pointed Guards On A Single-Knife Header; Replacing Pointed Guards On A Double-Knife Header - MacDon D65 Operator's Manual

Replacing Pointed Guards on a Single-Knife Header

To replace pointed knife guards on a single-knife header, follow these steps:
WARNING
To avoid bodily injury from fall of raised reel, always
engage reel safety props before going under raised
reel for any reason.
1. Stroke knife so that knife sections are spaced midway
between the guards.
2. Remove two nuts (B) and bolts that attach guard (A)
and hold-down (C) (if applicable) to cutterbar.
3. Remove guard, hold-down, and plastic wear plate
(if installed).
4. Position new guard (A) and plastic wear plate (if
applicable) on cutterbar, and install bolts.
IMPORTANT:
The first four outboard guards 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

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 Header, page 133
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:
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MAINTENANCE AND SERVICING
Figure 5.26: Cutterbar
136.
Figure 5.27: Guards
A - Normal
133
B - Drive Side
for typical guard replacement.
C - Half Guard (End)
Revision A