MacDon M155 Operators Manual - Manual (Page 238)

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 4.263: 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 4.264: Safety Prop
8. Start the machine.
9. Activate HEADER TILT cylinder switch on GSL to
release load on center-link cylinder (A).
10. Lift hook release (C) and lift hook (B) off header pin.
NOTE: If optional center-link lift cylinder is
installed,
lift release (C) and then
operate the link lift cylinder from the
cab to disengage the center-link from
the header.
Figure 4.265: Hydraulic Center-Link
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Revision A