MacDon M1240, Operator'S Manual

Page: 182 / 488

OPERATION
9. For hydraulic center-link without self-alignment:
a. Press HEADER TILT UP or HEADER TILT DOWN
cylinder switches on the GSL to extend or retract
center-link cylinder until the hook is aligned with
the header attachment pin.
b. Stop the engine and remove the key.
c. Push down on rod end of link cylinder (B) until hook
engages and locks onto header pin.
IMPORTANT:
Hook release must be down to enable
self-locking mechanism. If the hook release
is open (up), manually push it down after
hook engages header pin.
d. Check that center-link (A) is locked onto header by
pulling upward on rod end (B) of cylinder.
e. Start engine.
Figure 4.129: Hydraulic Center-Link
CAUTION
Check to be sure all bystanders have cleared the area.
10. Press the HEADER UP switch (A) to raise header to
maximum height.
NOTE:
If one end of the header does NOT fully raise,
rephase the lift cylinders as follows:
a. Press and hold the HEADER UP switch (A) until
both cylinders stop moving.
b. Continue to hold the switch for 3–4 seconds.
Cylinders are now phased.
11. Stop the engine, and remove the key.
Figure 4.130: Ground Speed Lever
12. Engage safety prop on the windrower’s lift cylinder
as follows:
a. Pull lever (A) and rotate toward header to release,
and lower safety prop onto cylinder.
b. Repeat for opposite lift cylinder.
IMPORTANT:
Ensure the safety props engage over the cylinder
piston rods. If safety prop does not engage
properly, raise header until prop
fi ts over the rod.
Figure 4.131: Cylinder Safety Prop
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Revision A