MacDon A40-D, Operator'S Manual

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Revision A
Figure 4.22: Spare Knife
–
Double Knife
CAUTION
To avoid bodily injury or death from unexpected startup
of machine, always stop engine and remove key from
ignition before leaving operator
’
s seat for any reason.
1. Remove bolts (A) from lean bar end cap.
2. Pull out end cap and plastic storage tube assembly with
the knife inside.
3. Slide knife from storage tube.
4. Replace storage tube inside lean bar.
5. Reinstall bolts (A) and tighten.
4.7.7 Guards
Guards protect the knife from damage from rocks and other objects and provide a surface for the knife to cut
against, much like a pair of scissors. It is important that guards are adjusted properly.
Auger headers can be equipped with two types of guards: pointed or stub.
•
Pointed guards are suitable for most standing crops and cutting conditions.
•
Stub guards improve cutting performance in tough, stringy grass type crops, and crops that need to be cut close
to the ground.
Guards are also designed slightly differently depending on where they are installed along the cutterbar:
•
Outboard Left
–
Located at left end of cutterbar. Does not have a ledger to allow for slight fore/aft motion from
the knife drive box.
•
Outboard Right
–
Located at right end of cutterbar. Does not have a ledger to allow for slight fore/aft motion from
the knife drive box (double-knife headers).
•
Center
–
Located at center of cutterbar on double-knife headers. Has a stepped ledger to allow for knife overlap.
•
Drive End
–
Located at the drive end of cutterbar, next to outboard guard. Similar to standard but does not have
a ledger to allow for slight fore/aft motion from the knife drive box.
•
Standard
–
Standard guard used at all other locations.
MAINTENANCE AND SERVICING