MacDon M1170 Operator's Manual page 171

9. Activate HEADER TILT UP (A) and HEADER TILT DOWN (B)
cylinder switches on GSL to release the load on center-link
cylinder.
10. Stop the engine and remove the key.
11. Lift hook release (A) and lift hook (B) off header pin.
NOTE:
If optional center-link self-alignment kit is installed, lift
release (A) and then operate the link lift cylinder with the
REEL UP switch on the GSL to disengage the center-link
from the header.
12. Disconnect header drive hydraulics (A) and electrical
harness (B) from the windrower.
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OPERATION
B
Figure 4.89: GSL
Figure 4.90: Hydraulic Center-Link
B
Figure 4.91: Header Drive Hydraulics
155
A
A
B
A
Revision A