MacDon M150 SP - Manual (Page 86)

HEADER - GENERAL
Form 169017 / 169087 / 169095
84
Revision C
d. Periodically check the operation of the hook
locking mechanism and ensure that it is working
properly as follows:
1. If header is attached to windrower, disconnect
center-link hook from header by pulling up on
handle (A) to release the locking device, and
then lifting the hook off the header pin.
2. Lower the handle into the lock position.
3. Push up on pin (B) only. Handle should catch
on casting, and pin should not lift.
4. Push up on actuator rod (C) and pin should lift
with the handle.
6.4.5.2 Mechanical Center-Link
a. Loosen nut (D), and rotate barrel (E) to adjust
length so that link lines up with header bracket.
b. Install pin (F), and secure with cotter pin.
c. Adjust link to required length for proper header
angle by rotating barrel (E). Tighten nut (D)
against barrel. A slight tap with a hammer is
sufficient.
F
E
D
B
C
A