MacDon M155 Operators Manual - Manual (Page 233)

OPERATION
4. Stop engine and remove the key.
5. Loosen nut (A) and rotate barrel (B) to adjust length so
that the link lines up with header bracket.
6. Install pin (C) and secure with cotter pin (D).
7. Adjust link to required length for proper header angle
by rotating barrel (B). Tighten nut (A) against barrel. A
slight tap with a hammer is sufficient.
Figure 4.252: Mechanical Center-Link
8. Start engine and press HEADER UP switch (A) to raise
header to maximum height.
NOTE: If one end of the header does NOT raise fully, the
lift cylinders require re-phasing. If re-phasing is
needed, proceed 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.
Cylinders are now phased.
Figure 4.253: GSL
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Revision A