19
Troubleshooting Guidelines
Troubleshooting
Problem
Cause
Solution
Pump Will Not
Operate
(1) Hydraulic lines not attached
(2) Tractor hydraulic lever not engaged
(3) Hydraulic lines in w rong ports
(4) Malfunctioning hydraulic motor
(5) Tractor hydraulic flow adjusted too low
(1) Insert hydraulic lines in tractor circuit
(2) Engage lever (see tractor instructions)
(3) Change hydraulic line locations
(4) See pump ow ner's manual or contact Wylie
(5) Adjust tractor flow higher
Pump w ill not
move solution
(1) Spray tank empty
(2) Tank ball valve closed
(3) Plugged strainer
(4) Malfunctioning pump
(1) Fill tank
(2) Open ball valve
(3) Clean strainer screen
(4) See pump ow ner's manual or contact Wylie
Spray Center
Pump output is
very low ; erratic
(1) Spray tank low ; air getting in pump
(2) Tank ball valve partially closed
(3) Plugged strainer
(4) Collapsed suction hose
(5) Air leak in suction system
(6) Air leaking through open Mix n' Fill
ball valve
(7) Malfunctioning pump
(8) Air leaking through open fresh w ater
tank valve
(9) Tractor hydraulic flow adjusted too low
(1) Fill tank; bleed air by removing top plug
(2) Open ball valve
(3) Clean strainer screen
(4) Replace suction hose
(5) Tighten fittings;
Check for cracked or cut components;
Apply thread sealant to pipe threads.
(6) Close ball valve
(7) See pump ow ner's manual or contact Wylie
Spray Center
(8) Close fresh w ater tank valve
(9) Adjust tractor flow higher
Controller does
not operate
(1) Not connected to 12V system
(2) Improperly connected to 12V system
(3) Fuse blow n on controller
(4) Master sw itch turned off
(5) Boom sw itches off
(6) Controller not programmed properly
(7) Malfunctioning controller
(1) Connect to constant pow er source
(2) Check hot and ground connections
(3) Replace fuse
(4) Turn on sw itch
(5) Turn boom sw itches on
(6) See controller ow ner's manual for
instructions.
(7) See controller ow ner's manual or contact
Wylie Spray Center
Boom ball
valves do not
operate
(1) Not connected to controller
(2) Not connected to independent 12 volt
source
(1) Connect w ires to controller cable
(2) Connect red w ire to 12 volt source
No output or
insufficient
pressure at
spray tip(s)
(1) Air leak in suction side of system
(2) Problem w ith pump
(3) Control valve malfunctioning
(4) Malfunctioning controller
(5) Nozzle strainer(s) or tip(s) clogged
(6) Spray tips not proper size
(7) Return valve open too much
(1) See above
(2) See above
(3) Replace control valve;
Replace pressure adjusting sw itch;
See controller ow ner's manual or
contact Wylie Spray Center
(4) See above
(5) Clean strainer(s) or tip(s)
(6) Replace w ith proper tip
(7) Partially or completely close return valve
