MacDon R216 Installation Instructions Manual page 22

3. If replacing a model year 2019 cutterbar with model year
2020 cutterbar, order and install two M16 x 2 x 55 hex head
bolts (MD #136717) at locations (B) on outboard
support (A) to replace hardware removed from cutterbar.
Snug the bolts, but do NOT tighten at this time.
If installing cutterbar components on a model year 2020
header, install two M16 x 2 x 55 hex head bolts at
locations (B) on inboard support (A). Use one washer under
the bolt heads. Snug the bolts, but do NOT tighten them at
this time.
NOTE:
If reusing hardware, clean bolt and nut threads of any
threadlocker residue.
4. Repeat Steps 1, page 15
the header.
5. Remove bolt, washer, and nut (A) from the drive alignment
tool (MD #325683), and slide the bottom tube up.
NOTE:
The bolt, washer, and nut are provided for storage reasons
only. They are not needed for drive alignment.
6. On the left side of the cutterbar, slide drive alignment
tool (A) over the cutterbar driveshaft.
NOTE:
Drive alignment tool may need to be rotated to clear the
hub to be able to insert it inside the drum.
7. Attach drive alignment tool to left drive hub (B) with four
M12 bolts, and tighten until snug.
IMPORTANT:
If the alignment tool is not secured to the gearbox using all
four bolts, the drive hub will be misaligned.
8. Use a pry bar to move the left side of the cutterbar fore or
aft until the alignment tool's bottom tube slides freely over
the cutterbar driveshaft.
9. Remove bolts securing alignment tool (A) to drive hub (B).
Lift the lower tube and remove the tool.
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INSTALLATION INSTRUCTIONS
to 3, page 16 on opposite side of
B
Figure 3.20: Cutterbar – Bottom View, Left End
Shown, Outboard Support
A
Figure 3.21: Drive Alignment Tool (MD #325683)
B
Figure 3.22: Alignment Tool on Left Driven Drum
16
A
B
A
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