MacDon M155 Unloading And Assembly Instructions page 109

13. 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.
14. Install pin (B) through the header leg (engaging
U-bracket in lift linkage) on both sides and secure with
hairpin (A).
15. Raise header stand (D) to storage position by pulling
spring pin (C) and lifting stand into uppermost position.
Release spring pin.
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ASSEMBLING THE WINDROWER
Figure 3.150: Safety Prop
Figure 3.151: Header Leg
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Revision A