MacDon M1 Series Unloading And Assembly Instructions page 145

9. If the hydraulic center-link self-alignment kit is NOT
installed: relocate pin (A) in the frame linkage as required
to raise 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.
10. Drive the windrower slowly forward so feet (A) on the
windrower enter supports (B) on the header. Continue to
drive slowly forward until the feet engage the supports, and
the header is nudged forward.
11. If the hydraulic center-link self-alignment kit is installed:
adjust the position of center-link cylinder (A) with the
switches on the GSL until hook (B) is above the header
attachment pin.
12. If the hydraulic center-link self-alignment kit is NOT
installed: push down on the rod end of link cylinder (C)
until the hook engages and locks onto the header pin.
IMPORTANT:
Hook release (D) must be down to enable the self-locking
mechanism. If the release is open (up), manually push it
down after the hook engages the header pin.
13. If the hydraulic center-link self-alignment kit is installed:
lower center-link (A) onto the header with the REEL DOWN
switch on the GSL until it locks into position and hook
release (D) is in the down position.
14. If the hydraulic center-link self-alignment kit is installed:
check that the center-link is locked onto the header by
pressing the REEL UP switch on the GSL.
215620
ATTACHING A HEADER TO THE WINDROWER
133
Figure 5.6: Hydraulic Center-Link without
Self-Alignment Kit
Figure 5.7: Header Support
Figure 5.8: Hydraulic Center-Link
Revision A