MacDon M155 - Page 232

OPERATION
6. Use the following GSL func tions to position the
center-link hook above the header attachment pin:
• Reel up (A) to raise the center-link
• Reel down (B) to lower the center-link
• Header tilt up (C) to retract the center-link
• Header tilt down (D) to extend the center-link
Figure 4.115: GSL
7. Adjust position of t he center-link cylinder (A) with th e
reel up, reel down, and header tilt switches on the GSL
until the hook is above the header attachment pin.
IMPORTANT:
Hook release must be down to enable self-locking
mechanism. If the release is open (up), manually
push it down after hook engages header pin.
8. Lower center-link (A) onto the header with the reel
down switch on the GSL until it locks into position (hook
release [B] is down).
9. Check that center-link is locked onto header by
pressing the reel up switch on the G SL.
Figure 4.116: Hydraulic Center-Link
CAUTION
Check to be sure a ll bystanders have cleared the area.
10. Press the header up switch (A) to raise header to
maximum height.
NOTE:
If one end of the header does NOT fully rais e,
rephase the lift cylinders as follows:
a. Press and hold the header up switch until both
cylinders stop moving.
b. Continu e to hold the switch for 3–4 seconds.
Cylinders are now phased.
NOTE:
It may be necessary t o repeat this procedure if
there is a ir in the system.
Figure 4.117: GSL
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