MacDon FD70 for Combine Operators - Manual (Page 216)

SECTION 10. MAINTENANCE AND SERVICING
Form 169006
214
Revision D
10.15 HEADER WING FLOAT
CAUTION
To avoid personal injury, before servicing
machine or opening drive covers, follow
procedures in Section 10.1 PREPARATION
FOR SERVICING.
10.15.1 Wing Float Lock Adjustment
If the cutterbar is not straight when the wings are
in LOCK mode, proceed as follows:
a. Remove linkage cover. Refer to Section 10.4.2
Linkage Cover (FD70 FLEXDRAPER ONLY).
b. Unlock the wing float by moving handle (A) to
lower UNLOCK position (B).
c. Support the header so that the cutterbar is
straight by either lowering on level ground, or on
blocks that are even.
d. Lock the wing float by moving handle (A) to the
upper LOCK position (C).
e. Loosen nuts (D) and (E), and adjust so that lock
link (F) freely moves out of and into the upper
LOCK position.
f. Tighten nuts (D) and (E) against spacer to
150 ft·lbf (200 N·m).
g. Replace linkage cover.
10.15.2 Wing Balance
If a wing has a tendency to be in a ‘smile’ or
‘frown’ position, wing balance may require
adjusting.
Check and balance header wings as follows:
WARNING
Stop combine engine, and remove key before
making adjustments to machine. A child or
even a pet could engage the drive.
a. Extend header angle hydraulic cylinder (or
mechanical link) 2 - 3 in. (50 - 75 mm) from fully
retracted.
b. Raise header until the cutterbar is 6 - 10 in.
(152 - 254 mm) off the ground.
c. Stop engine, and remove key.
d. Check that trim springs (G) are connected to the
combine CA20 adapter. If springs are not
connected, refer to Section 8.2.1 Disassembly.
e. Move transport/stabilizer wheels so that they are
supported by header. Refer to Section 9.11.2
Cutting Height.
f. Move spring handle (A) to lower position to
UNLOCK the wing float.
g. Remove linkage cover. Refer to Section 10.4.2
Linkage Cover (FD70 FLEXDRAPER ONLY).
(continued next page)
G
B
A
C
D
E F