MacDon M155 Operators Manual - Manual (Page 223)

OPERATION
6. Adjust position of the center-link cylinder (E) with the
REEL UP and REEL DOWN switches. Position the
hook above the header attachment pin using HEADER
TILT switches on the GSL.
7. Lower center-link (A) onto the header with REEL
DOWN switch until it locks into position (hook
release [B] is down).
8. Check that center-link is locked onto header by
pressing the REEL UP switch on the GSL.
IMPORTANT:
Hook release (B) must be down to enable
self-locking mechanism. If the release is open
(up), manually push it down after hook engages
header pin.
Figure 4.226: Hydraulic Center-Link
9. 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 4.227: GSL
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