MacDon 974 FlexDraper - Manual (Page 66)

Form # 147083 Issue 01/07 64
TROUBLESHOOTING
SYMPTOM
PROBLEM SOLUTION REF.
CUTTING ACTION & SICKLE COMPONENTS
Ragged or uneven cutting of
crop. (continued)
Cutting edge of guards
not close enough or
parallel to sickle sections.
Align guards. 47
Tangled/tough to cut crop. Install stub guards. **
Reel too far back. Move reel forward. 30
Loose sickle drive belt. Adjust drive belt tension. 50
Sickle plugging. Reel too high or too far
forward.
Lower reel or move reel
rearward.
29
30
Ground speed too slow. Increase ground speed. 21
Loose sickle drive belt. Adjust drive belt tension. 50
Improper sickle hold-down
adjustment.
Adjust hold-down so sickle is
held against guard cutting
surface.
48
Dull or broken sickle
sections.
Replace. 44
Bent or broken guards. Align or replace. 47
Reel fingers not lifting
crop properly ahead of
sickle.
Adjust reel position / finger pitch. 31
Steel pick-up fingers
contacting sickle.
Increase reel clearance to
cutterbar, or adjust "frown".
55
Header float too heavy. Adjust springs for lighter float. 22
Mud or dirt build-up on
cutterbar.
Raise cutterbar by lowering skid
shoes.
19
Flatten header angle. 25
Mud build-up on inboard
side of sickle head
Remove skid shoe under sickle
head to prevent build-up.
46
Sickle is not operating at
recommended speed.
Check engine speed of
combine.
*
* See your Combine Operator's Manual.
** See your MacDon Dealer