Great Plains 2SF30 Operator Manual - Manual (Page 58)

54 2SF24/30 Table of Contents Index Great Plains Manufacturing, Inc.
155-015M-A Table of Contents Index 2014-01-09
Hydraulic Marker
Functioning
Improperly Check all hose fittings and connections for air and oil leaks.
The chain on the folding 3-section marker should be slack when the marker is both fully
extended and fully raised.
Check tractor hydraulic oil level.
Check all bolts and fasteners.
Double selector valve positioned for wing fold. Shift valve to marker sequence position.
Open needle valve, cycle markers slowly and reset needle valve if plugged.
Chain-Debris/Retainer
Clip Be sure retainer clip open end is facing opposite way of chain travel.
General Troubleshooting
Problem Solution