MacDon M155 Unloading And Assembly Instructions page 108

8. 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.
9. Check that center-link (A) is locked onto header by
pulling upward on rod end (B) of cylinder.
CAUTION
Check to be sure all bystanders have cleared the area.
10. Start the engine.
11. Press the HEADER UP switch (A) to raise the header to
maximum height.
12. 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.
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ASSEMBLING THE WINDROWER
Figure 3.148: Hydraulic Center-Link
Figure 3.149: Ground Speed Lever
96
Revision A