MacDon FD70 for Combine Operators - Manual (Page 226)

SECTION 11. TROUBLESHOOTING
* See your MacDon Dealer.
** Refer to Combine Operator’s Manual.
*** Refer to Draper Header Technical Manual
Form 169006
224
Revision D
SYMPTOM PROBLEM SOLUTION SECTION
Ragged Or Uneven Cutting
Of Crop. (Continued).
Tangled/tough to cut crop. Install stub guards.
*, 10.11.6
& 10.11.7
& 12.7
Reel too far back. Move reel forward. 9.11.10
Loose sickle drive belt. Adjust drive belt tension.
10.11.8 &
10.11.9
Sickle Plugging.
Reel too high or too far forward.
Lower reel or move reel
rearward. 9.11.9 &
9.11.10
Ground speed too slow. Increase ground speed. 9.11.6
Loose sickle drive belt. Adjust drive belt tension.
10.11.8 &
10.11.9
Improper sickle hold-down
adjustment.
Adjust hold-down.
10.11.7
Dull or broken sickle sections. Replace sickle section. 10.11.1
Bent or broken guards. Align or replace guards. 10.11.6
Reel fingers not lifting crop
properly ahead of sickle. Adjust reel position/finger
pitch. 9.11.10 &
9.11.11
Steel pick-up fingers contacting
sickle. Increase reel clearance to
cutterbar, or adjust ‘frown’.
10.14.1 &
10.14.2 &
10.14.3
Main float too heavy.
Adjust springs for lighter
float.
9.11.3
Mud or dirt build-up on
cutterbar.
Raise cutterbar by lowering
skid shoes.
9.11.2.2
Install cut-out sections. *
Flatten header angle. 9.11.4
Sickle is not operating at
recommended speed. Check engine speed of
combine.
*
Excessive Header Vibration.
Sickle hold-downs not adjusted
properly.
Adjust hold-downs. 10.11.7
Sickles on double knife drive
not timed.
Adjust sickle timing. 10.11.9
Sickle not operating at
recommended speed. Check engine speed of
combine.
*
Excessive sickle wear. Replace sickle.
10.11.2 &
10.11.4
Loose or worn sickle head pin
or drive arm.
Tighten or replace parts. 10.11