Problem/Fault Analysis and Corrections

Problem

Possible Cause

Correction

 

 

 

 

 

Cutterbar swinging to the

Stabilizer lock engaged.

Disengage stabilizer lock.

rear or cannot follow the

 

 

 

 

ground.

Stabilizer not correctly adjusted.

Adjust right hand lifting arm tractor correctly.

 

Stabilizer fitted in wrong hole on

Check correct fitting.

 

the tilting bracket or wrong tilting

 

 

 

 

bracket in use.

 

 

 

 

Wrong stabilizer spring fitted.

Model HM2007 and model HM2008 thread -

 

 

diameter = 13mm (.51”) . Color = green.

 

 

Model HM2009 thread - diameter = 15 mm (.59”).

 

 

Color = black.

 

Very hilly ground.

The machine can be equipped with a spring

 

 

lock.

 

 

 

 

 

Adjustment of spring

The lifting arms of the tractor are

Fit chain so that the linkage of the machine is

is changing.

lowering slowly (leaky valve).

kept in the correct position.

 

 

 

 

 

Machine hangs too low when

Working height of linkage wrong

Check correct fitting.

 

it is raised with the three-point

and or wrongly adjusted stabilizer.

 

 

 

linkage of the tractor.

 

 

 

 

 

 

 

 

 

Swath is not satisfactory.

Swath roller or swath board.

Change, if necessary, from swath roller to swath

 

 

board or contrary.

 

Model HM2007:

Fit cone on the left hand side.

 

These machines have no cone

 

 

 

 

on the left hand side.

 

 

 

 

 

 

 

Uneven stubble.

Stabilizer not correctly adjusted.

Adjust right hand lifting arm of the tractor

 

 

correctly.

 

Forward speed too slow.

Increase forward speed.

 

PTO rpm of the tractor is too low.

Increase PTO speed to max. do not exceed

 

 

575 rpm.

 

Cutting knives too blunt or some

Turn cutting knives or replace them.

 

knives missing.

 

 

 

 

V-belts too loose.

Tighten V-belts.

 

 

 

*Stripes in the stubble.

Inclination of cutterbar not correct.

Adjust the top link so that the inclination of the

 

 

machine is changed.

 

Cutterbar fitted with high cut skid.

Remove high cut skid.

 

Packing of material on the cutting

Try to fit throwing wings on one or several

 

discs.

cutting discs.

 

Forward speed too slow.

Increase forward speed.

 

 

 

Cutterbar overheating.

Too much oil in the bar.

Check the oil level.

 

Wrong type of oil used.

Change the oil to correct type.

 

 

 

PTO knocking.

The inclination of the machine is

Adjust the machine vertically.

 

wrong (low stubble height).

 

 

 

 

 

 

 

 

*Strip problems can occur especially in short, heavy spring crops harvested under unfavorable weather conditions. At first always ensure that the knives of the cutting discs are kept sharp. Try to change the inclination of the machine a little (forwards or backwards). Be sure that the PTO shaft does not bottom, when the length of the top link is changed.

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Bush Hog HM2007, HM2008, HM2009 manual Problem/Fault Analysis and Corrections, Problem Possible Cause Correction