MacDon M Series Unloading And Assembly Instructions page 138

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 rise, 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.
11. Engage safety props on both lift cylinders as follows:
a. Stop engine and remove key from ignition.
b. Pull lever (A) and rotate towards the header
to release and lower safety prop (B) onto the
lift cylinder.
c. Repeat for opposite lift cylinder.
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ASSEMBLING THE WINDROWER
Figure 3.226: Ground Speed Lever
Figure 3.227: Safety Prop
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Revision A