Great Plains P16843 Serial No 18009001 - Manual (Page 34)

Simba SL
Operating Instructions
34
6. Faults and Remedies
Troubleshooting
Fault Possible cause Remedy
Rear disc angle too great Reduce rear disc angle
Speed too fast Reduce speed (<12kmh)
Machine pulls to one side Discs set unevenly Adjust each pair of disc gangs
Tines set unevenly Adjust tine depth
Roll blocked Unblock roll
Machine not running level
front to rear (if not
deliberate)
Machine set incorrectly
Adjust drawbar height to
compensate or if nose diving
decrease rear roll pressure.
Transport wheels fail to
lift machine
Tractor relief valve operating
tractor hydraulics worn
Decrease flow rate
Discs fail to penetrate More depth needed Adjust depth control
Gang angle too little
Check gang settings and
increase gang angle if
appropriate
Blades worn Replace blades
Machine pulling up clods Chassis running nose down Raise drawbar
Rear disc dragging up
wet soil
Chassis running tail low Lower drawbar
Machine 'bouncing' in
work
6. Faults and Remedies