MacDon M155 Operators Manual - Manual (Page 241)

OPERATION
6. Remove clevis pin from location (A) to disengage
float springs and insert in storage hole (B). Secure
with hairpin.
CAUTION
To prevent damage to the lift system when lowering
header lift linkages without a header or weight box
attached to windrower, ensure that float engagement
pin is installed in storage location (B) and NOT
installed at hole location (A).
Figure 4.271: Header Lift Linkage
7. To disengage safety props and for storage, turn
lever (A) away from header to raise safety prop
until lever locks into vertical position.
Repeat for
opposite cylinder.
Figure 4.272: Safety Prop
8. Loosen nut (B) and rotate barrel (A) to relieve load
on link.
Figure 4.273: Mechanical Center-Link
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Revision A