MacDon 963 Harvest Header - Manual (Page 57)

56
TROUBLESHOOTING
SYMPTOM PROBLEM SOLUTION REF.
CUTTING COMPONENTS (continued)
Sickle plugging. Loose sickle drive belt. Adjust belt tension. 46
Dull or broken sickle
sections.
Replace. 43
Bent or broken guards. Align or replace. 45
Improper sickle hold-
down adjustment.
Adjust hold-down. 45
Improper reel adjust-
ment.
Adjust to sweep material off
cutterbar.
24
Improper header float
adjustment.
Adjust float springs. 20
Header angle too steep. Flatten header angle. 20
Mud or dirt build-up on
cutterbar.
Raise cutterbar. 18
REEL
Reel will not lift. Reel lift quick couplers
not compatible.
Change quick coupler. ---
Reel seems to lack power
(jerky rotation).
Reel speed too fast. Reduce reel speed. 24
Reel too low. Raise reel. 24
Relief valve on combine
or windrower (not on
adapter) has incorrect
relief setting.
Adjust relief to 2000 psi *
Reel too far ahead of
sickle.
Move reel back on support
arms.
24
Low oil reservoir level on
combine or windrower.
(NOTE: Sometimes
more than one reservoir.)
Fill to proper level. *
Reel wrapping in tangled
and weedy crops causing
improper reel delivery.
Incorrect location and
height of reel.
Place reel well ahead and
down.
24
Reel speed too fast. Reduce speed of reel to
allow weedy crops to fall
onto drapers.
24
* See Windrower or Combine Operator's Manual