MacDon M155 Unloading And Assembly Instructions page 147

7. Use the following ground speed lever 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
8. Shut down the engine, and remove the key from
the ignition.
9. Push down on the rod end of link cylinder (A) until hook (B)
engages and locks onto the header pin.
IMPORTANT:
The hook release 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.
10. Check that center-link (A) is locked onto the header by
pulling upward on the rod end of the cylinder.
DANGER
Ensure that all bystanders have cleared the area.
11. Start the engine.
12. Press HEADER UP switch (A) to raise the header to its
maximum height.
13. If one end of the header does NOT fully rise, rephase the
lift cylinders as follows:
a. Press and hold the HEADER UP switch until both
cylinders stop moving.
b. Continue to hold the switch for 3–4 seconds. The
cylinders are now phased.
NOTE:
It may be necessary to repeat this procedure if there is air in the hydraulic system.
262320
ATTACHING HEADERS
B
Figure 6.22: Ground Speed Lever
Figure 6.23: Hydraulic Center-Link
Figure 6.24: Ground Speed Lever
131
A
A
A
B
Revision A