MacDon M155, Operator'S Manual

Page: 293 / 510

OPERATION
6. Remove clevis pin from location (A) to disengage
fl oat 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 the windrower, ensure the float
engagement pin is installed in storage position (B)
and NOT in engaged position (A).
Figure 4.271: Header Float Linkage
7. Disengage safety props by turning lever (A) away from
header to raise safety prop until lever locks into vertical
position. Repeat for opposite cylinder.
8. Start engine, choose a level area, and lower header to
the ground. Stop engine and remove key.
Figure 4.272: Safety Prop
9. Loosen nut (B) and rotate barrel (A) to relieve load
on link.
Figure 4.273: Mechanical Center-Link
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Revision A