MacDon M155 Unloading And Assembly Instructions page 152

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. Drive the windrower slowly forward until boots (A) enter
header legs (B). Continue driving slowly forward until the
lift linkages contact the support plates in the header legs
and the header is nudged forward.
6. Ensure that the lift linkages are properly engaged in the
header legs and are contacting the support plates.
7. Shut down the engine, and remove the key from the
ignition.
8. Loosen nut (A) and rotate barrel (B) to adjust the barrel's
length until the link is aligned with the header bracket.
9. Install clevis pin (C) and secure it with cotter pin (D).
10. Adjust the length of the link to achieve the proper header
angle by rotating barrel (B). Tighten nut (A) against the
barrel (a slight tap with a hammer is sufficient).
262320
ATTACHING HEADERS
Figure 6.34: Ground Speed Lever
Figure 6.35: Header Leg and Boot
D
Figure 6.36: Mechanical Center Link
136
A
B
C
B
A
A
Revision A