MacDon M155 Unloading And Assembly Instructions page 197

10. Loosen nut (A) and rotate barrel (B) to adjust length until
the link is aligned with the header bracket.
11. Install clevis pin (C) and secure it with cotter pin (D).
12. 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).
13. Start the engine.
14. Press HEADER UP switch (A) to raise the header to its
maximum height.
15. If one end of the header does NOT fully rise, rephase the
lift cylinders as follows:
a. Press and hold the HEADER UP switch until both
cylinders stop moving.
b. Continue to hold the switch for 3–4 seconds to fully
phase the cylinders.
NOTE:
It may be necessary to repeat this procedure if there is air in
the hydraulic system.
262320
ATTACHING HEADERS
D
Figure 6.139: Mechanical Center-Link
Figure 6.140: Ground Speed Lever
181
C
A
A
B
Revision A