8999153EN: v1.0 18/12/2020
46
Original instructions (ENGLISH)
Website: www.spearheadmachinery.com
7
Troubleshooting
The charts below are intended to help in diagnose and rectify any problems with your machine. If the problem
persists, please consult your supplier, or contact Spearhead Machinery. See the Machine Identification page;
Section 1.4.
7.1
Troubleshooting - Agricut 180
PROBLEM
CAUSE
SOLUTION
Shear-bolt failure on start up
Tractor revs too high
Reduce revs to idle before
engaging P.T.O.
Incorrect shear bolt
Check the shear bolt is the correct
grade and size.
Shear-bolt failure in operation
Obstacle encountered
Inspect ground for stones, stumps,
etc. before replacing with the
correct grade of bolt
Excessive vibration
Broken or missing blade
Check blades and replace with
new if necessary
Uneven stubble
Travelling too fast
Reduce forward speed
Ragged stubble
Blunt blades
Replace blades
Scalping ground
Skids set too low
Reset skid height
Excessive ground marking
Topper not following ground
contours correctly
Check lower lift arm to lift arm
bracket clearance. Adjust if
necessary
Uncut material
Heavy crop
Reduce forward speed, or cut
twice
Uneven stubble
Travelling too fast
Reduce forward speed
7.2
Troubleshooting - Agricut 270
PROBLEM
CAUSE
SOLUTION
Shear-bolt failure on start up
Tractor revs too high
Reduce revs to idle before
engaging P.T.O.
Incorrect shear bolt
Check the shear bolt is the correct
grade and size.
Shear-bolt failure in operation
Obstacle encountered
Inspect ground for stones, stumps,
etc. before replacing with the
correct grade of bolt
Excessive vibration
Broken or missing blade
Check blades and replace with
new if necessary
Cracked or damaged flexible
coupling
Check couplings and replace with
new if necessary
Clashing blades
Incorrect blade timing
Check the blade timing is 90° out
of phase and correct if necessary
Uneven stubble
Travelling too fast
Reduce forward speed
Ragged stubble
Blunt blades
Replace blades
Scalping ground
Skids set too low
Reset skid height
Excessive ground marking
Topper not following ground
contours correctly
Check lower lift arm to lift arm
bracket clearance. Adjust if
necessary
Uncut material
Heavy crop
Reduce forward speed, or cut
twice