MacDon A40-D Pull-Type - Manual (Page 172)

SECTION 8 TROUBLESHOOTING
169000
170
Revision F
SYMPTOM PROBLEM SOLUTION SECTION
Pulling Material By The
Roots Or Tall Material
Leaning Into Machine. Ground speed too slow. Increase ground speed. ---
Reel position incorrect. Move reel forward and down. 6.17.5
Ragged Or Uneven Cutting
Of Crop.
Bent or misaligned guards
causing poor shearing action. Align guards for proper
shearing action.
7.8.7
Bent knife causing binding.
Straighten bent knife. Check
alignment, and if
necessary, replace.
7.8.2
Ground speed too fast.
Slow down.
Ground speed should not
exceed 8 mph (13 km/h).
---
Header angle too flat for guards
to pick up down crop.
Increase header angle. 6.17.9
Header flotation too light,
causing bouncing.
Adjust to heavier float setting. 6.17.10
Power Take-Off (PTO) speed too
slow (pull-type).
Maintain proper RPM on PTO.
Check for proper match of
pump and gear-drive at PTO.
5.1
Reel drive chain too loose
(except A40-D).
Increase chain tension. 7.9.1
Reel position incorrect. Move reel forward and down. 6.17.5
Relief valve pressure too low. Replace valve.
See
Dealer
Knife drive belt too loose. Increase belt tension.
7.8.9 to
7.8.11
Knife sections or guards are worn
or broken.
Replace worn or broken parts.
7.8.1 &
7.8.7
Conditioner Plugging.
Ground speed too fast. Slow down. ---
Roll gap too large for
proper feeding.
Decrease roll gap.
6.17.12.1
Roll gap too small in thick
stemmed cane-type crops.
Increase roll gap.
Rolls improperly timed. Adjust roll timing. 6.17.12.2
Knife Plugging.
Bent or misaligned guards. Align guards. 7.8.7
Extremely thick or
wet undergrowth.
Raise cutting height to
clear undergrowth.
6.17.8
Consider use of stub guards. 9.5
Header flotation too heavy. Adjust to lighter float setting. 6.17.10
PTO speed too slow (pull-type).
Maintain proper RPM on PTO.
Check for proper match of
pump and gear-drive at PTO.
5.1