MacDon M155 Operators Manual - Manual (Page 203)

OPERATION
3. If necessary, relocate pin (A) at the frame linkage as
required to raise the center-link (B) so that the hook is
above the attachment pin on the header..
IMPORTANT:
If the center-link is too low, it may contact the
header as the windrower approaches the header
for hookup.
Figure 4.175: Hydraulic Center-Link without
Self-Alignment Kit
4. Slowly drive the windrower forward so the feet (A)
on the windrower enter the boots (B) on the header.
Continue to drive slowly forward until the feet engage
the boots and the header nudges forward.
Figure 4.176: Header Boot
5. Activate HEADER TILT cylinder switches on ground
speed lever (GSL) to extend or retract center-link
cylinder so that the hook lines up with the header
attachment pin.
6. Stop engine and remove key from ignition.
Figure 4.177: GSL
A - Header Tilt Up B - Header Tilt Down
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Revision A