MacDon M155 Unloading And Assembly Instructions page 136

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).
CAUTION
Check to be sure all bystanders have cleared the area.
2. Start the engine and activate the HEADER DOWN
button (A) on the ground speed lever (GSL) to fully
retract header lift cylinders.
IMPORTANT:
If the center-link is too low, it may contact the header as
the windrower approaches the header for hookup.
3. Activate the REEL UP switch (A) on the GSL to raise
the center-link until the hook is above the attachment
pin on the header.
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ASSEMBLING THE WINDROWER
Figure 3.217: Header Float Linkage
Figure 3.218: Ground Speed Lever
Figure 3.219: Ground Speed Lever
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Revision A