MacDon M1 Series Unloading And Assembly Instructions page 177

18. Engage the safety props on both lift cylinders as follows:
a. Pull lever (A) toward you to release it, and then rotate
it toward the header to lower the safety prop onto the
cylinder.
b. Repeat the previous step for the opposite lift cylinder.
IMPORTANT:
Ensure that the safety props engage over the cylinder piston
rods. If the safety prop does NOT engage properly, raise the
header until the safety prop fits over the rod.
19. Install clevis pin (A) through the support and foot, and
secure it with hairpin (B). Repeat this step to install the
clevis pin on the opposite side of the header.
IMPORTANT:
Ensure that clevis pin (A) is fully inserted and that the
hairpin is installed behind the bracket.
20. Disengage the safety props on both lift cylinders as follows:
a. Turn lever (A) away from the header to raise the safety
prop until the lever locks into the vertical position.
b. Repeat the previous step for the opposite cylinder.
NOTE:
If the safety prop will NOT disengage, raise the header to
release the prop.
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ATTACHING A HEADER TO THE WINDROWER
165
Figure 5.90: Safety Prop Lever
Figure 5.91: Header Support
Figure 5.92: Safety Prop Lever
Revision A