MacDon M1240 - Header System Calibration; Calibrating Knife Drive on Harvest Performance Tracker Display

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Figure 4.153: Hydraulic Center-Link
14. Windrowers without the self-aligning center-link kit:
a. Press the HEADER TILT UP or HEADER TILT DOWN
cylinder switches on the GSL to extend or retract the
center-link cylinder until the hook is aligned with the
header attachment pin.
b. Shut down the engine, and remove the key from the
ignition.
c. Push down on the rod end of link cylinder (B) until the
hook engages and locks onto the header pin.
IMPORTANT:
The hook release must be down to enable the self-
locking mechanism to function. If the hook release is
open (in the up position), manually push it down after
the hook engages the pin.
d. Check that center-link (A) is locked onto the header by
pulling upward on rod end (B) of the cylinder.
DANGER
Ensure that all bystanders have cleared the area.
e. Start the engine.
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Figure 4.154: GSL
15. Press HEADER UP switch (A) to raise the header to its
maximum height.
NOTE:
If one end of the header does NOT fully rise, rephase the
lift cylinders as follows:
a. Press and hold HEADER UP switch (A) until both
cylinders stop moving.
b. Continue to hold the switch for 3–4 seconds. The
cylinders are now phased.
16. Shut down the engine, and remove the key from
the ignition.
OPERATION