MacDon M155 Operators Manual - Manual (Page 217)

OPERATION
DANGER
To avoid bodily injury from fall of raised header,
always engage safety props when working on or
around raised header, and before going under header
for any reason.
4. Pull lever (A) and rotate toward header to lower safety
prop (B) onto cylinder. Repeat for opposite cylinder.
Figure 4.211: Safety Prop
5. Remove hairpin from the clevis pin (A) and remove
clevis pin from the left and right header boots (B).
Figure 4.212: Header Boot
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Revision A