Yetter 6300 Coulter Cart - Manual (Page 35)

35
TROUBLESHOOTING
Problem
Coulter cart will not lower.
Cart frame raises or lowers
slowly.
Erratic or uneven lift.
Coulter cart will not raise.
Attached drill tilts forward in
field operation.
Attached drill tilts back in field
operation.
Transport wheel wobbles in
transport or field operation.
Coulter toolbar not level from
side to side.
Coulters will not penetrate.
Coulters penetrate too deep.
Drill openers bounce at field
speeds.
Cause
Hydraulic hoses not engaged.
Insufficient hydraulic
pressure.
Air in hydraulic hose
Insufficient hydraulic
pressure.
Upper hitch link adjusted too
short.
Upper hitch link adjusted too
long.
Transport rollers not properly
adjusted.
Gauge wheel jacks adjusted
incorrectly.
Gauge wheel tires filled to
different pressures.
Insufficient coulter down
pressure.
Tractor drawbar too high.
Lack of weight
Excessive coulter down
pressure.
Spring down pressure
Solution
Check to see if hydraulic
hoses are fully engaged in
tractor hydraulic outlets.
Check to see if transport
hydraulic locks are removed.
On tractors with hydraulic
speed controls, make sure
selector is in the fastest
setting. Tractor hydraulic
pressure must be a minimum
of 2250 P.S.I.
Bleed coulter cart hydraulic
system.
Hoses are not fully engaged
in tractor hydraulic outlets.
Lengthen upper hitch link until
drill is level.
Shorten upper hitch link until
drill is level.
Tighten adjusting bolts on
transport frame guide rollers.
Adjust both jacks to the same
setting.
Fill both tires to 35 P.S.I.
Extend toolbar cylinders to
increase coulter depth.
Check and tighten coulter
down-pressure springs if
necessary.
Adjust coulter shank top to
hang on cotter pin.
Adjust clevis.
Fill cart tires and drill tires with
fluid for extra ballast.
Retract toolbar cylinders to
decrease coulter depth.
Reduce coulter spring
tension.
Readjust, tighten springs.
Refer to drill operator’s
manual for recommendations.