MacDon M155 Unloading And Assembly Instructions page 107

3. Relocate pin (A) in frame linkage as required to raise
the center-link (B) until the hook is above the
attachment pin on the header.
IMPORTANT:
If the center-link is too low, it may contact the header as
the windrower approaches the header for hookup.
4. Drive the windrower slowly forward until the boots (A)
enter the header legs (B). Continue driving slowly
forward until lift linkages contact the support plates in
the header legs and the header nudges forward.
5. Ensure the lift linkages are properly engaged in the
header legs and are contacting the support plates.
6. Use the following GSL functions to position the
center-link hook above the header attachment pin:
• HEADER TILT UP (A) to retract the center-link
• HEADER TILT DOWN (B) to extend the center-link
7. Stop engine and remove key from ignition.
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ASSEMBLING THE WINDROWER
Figure 3.145: Hydraulic Center-Link without
Self-Alignment Kit
Figure 3.146: Header Leg and Boot
Figure 3.147: Ground Speed Lever
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Revision A