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

Adjusting Knife Guards

To adjust knife guards, follow these steps. The guard
straightening tool (MD #140135) is available from your
MacDon Dealer.
1. To adjust guard tips upward, position tool as shown,
and pull up.
2. To adjust tips downward, position tool as shown and
push down.
TIP: If trouble is encountered cutting tangled or
fine-stemmed material, install a knife hold-down on
every guard and then replace lower guards with stub
guards.
3. If material is tough to cut, install stub guards with top
guard and adjuster plate. A kit is available from your
MacDon Dealer. Refer to
Kit, page 262.

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 poly wear plate
(if installed).
4. Position new guard (A) and poly wear plate (if
applicable) on cutterbar, and install bolts.
169899
MAINTENANCE AND SERVICING
8.2.3 Stub Guard Conversion
Figure 6.36: Upward Adjustment
Figure 6.37: Downward Adjustment
Figure 6.38: Cutterbar
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Revision A