MacDon M155, Operator'S Manual

Page: 280 / 510

OPERATION
5. Use the following GSL functions to position the
center-link hook above the header attachment pin:
• Header tilt up (A) to retract the center-link
• Header tilt down (B) to extend the center-link
6. Stop engine and remove key from ignition.
Figure 4.238: GSL
7. Push down on rod end of link cylinder (B) until hook
engages and locks onto header 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. Check that center-link (A) is locked onto header by
pulling upward on rod end (B) of cylinder.
Figure 4.239: Hydraulic Center-Link
CAUTION
Check to be sure all bystanders have cleared the area.
9. Start the engine.
10. Press the header up switch (A) to raise header to
maximum height.
NOTE:
If one end of the header does
NOT
fully raise,
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.
Cylinders are now phased.
NOTE:
It may be necessary to repeat this procedure if
there is air in the system.
Figure 4.240: GSL
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