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WARNING - MAKE SURE THAT ALL POWER IS SHUT OFF BEFORE SERVICING THE APPLICATOR. MAINTENANCE AND REPAIR
SERVICE WORK TO BE PERFORMED BY QUALIFIED SERVICEMEN ONLY.
Trouble
Possible Cause
Possible Remedy
Outside tool bar wing creeps
up over time
Counterbalance valve is too loose
Tighten counterbalance valve. See “Toolbar Down Pressure Relief Valve and
Gauge” on page 10 for instructions.
Toolbar will not raise or lower/
Wings will not fold out or
unfold
Faulty hydraulic coupler
Replace with new coupler.
Center toolbar section too
deep or too shallow
Lift cylinders have improper
combination of cylinder spacers
Add or remove spacers as necessary.
Wings are tilted up from
center toolbar section
Gauge wheels set too low
Move gauge wheels up.
Hydraulic down pressure not set
high enough
Increase pressure by turning adjustment knob clockwise.
IMPORTANT: Do not exceed 1,350 psi.
Center toolbar section set too deep Add cylinder spacers to lift cylinders.
Wings are tilted down from
center toolbar section
Gauge wheels set too high
Move gauge wheels down.
Center toolbar section set too
shallow
Remove cylinder spacers from lift cylinders.
Fertilizer pressure gauge
showing high pressure when
applying fertilizer
Orifices too small
Install larger orifices.
Plugged knives
Clear debris.
Kinked hoses
Adjust hoses as necessary.
Speed too fast
Slow down.
Flow monitor balls installed
incorrectly
Intall flow monitor balls below plasitc grate under flow monitor cap.
Unable to maintain set
application rate
Clogged strainer
Clean strainer.
Orifices too small
Install larger orifices.
Agitation valve open
Close valve.
Fertilizer pump will not prime
Tank valve clogged/closed
Unclog/open valve.
Agitation valve closed
Open valve.
*Refer to the ACE hydraulic pump manual or Raven controller manual for additional troubleshooting information.
Troubleshooting