Great Plains 2525P Operator Manual - Manual (Page 61)

4/23/2010 118-915M
59 Troubleshooting
Hydraulic marker functioning
improperly Air or oil leaks in hose fittings or con-
nections. Check all hose fittings and connec-
tions for air or oil leaks.
Low tractor hydraulic oil level. Check tractor hydraulic oil level.
Loose or missing bolts or fasteners. Check all bolts and fasteners.
Needle valve plugged. Open needle valve, cycle markers
slowly and reset needle valve, refer to
page 49.
Needle valve(s) in sequence valve
plugged. Open needle valves, cycle markers
slowly and reset needle valves, refer
to page 49.
Marker disk does not mark Marker folding linkage does not have
enough slack to allow marker disk to
drop into field depressions. Maximum down float should be lim-
ited by the slot at the rod end of the
marker cylinder, refer to page 49.
Reverse marker disk to pull or throw
dirt.
Problem Cause Solution