MacDon M155 Unloading And Assembly Instructions page 146

DANGER
Ensure that all bystanders have cleared the area.
4. Start the engine and activate HEADER DOWN button (A) on
the ground speed lever (GSL) to fully retract the header lift
cylinders.
5. Remove pin (A) from the frame linkage and raise center-
link (B) until the hook is above the attachment pin on the
header. Replace pin (A) to hold the center-link in place.
IMPORTANT:
If the center-link is too low, it may contact the header as
the windrower approaches the header for hookup.
6. Drive the windrower slowly forward until windrower
feet (A) enter header supports (B). Continue driving slowly
forward until the feet engage the supports and the header
is nudged forward.
262320
ATTACHING HEADERS
Figure 6.19: Ground Speed Lever
Figure 6.20: Hydraulic Center-Link without Self-
Alignment Kit
A
Figure 6.21: Header Support
130
A
B
B
A
Revision A