30
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 wrong 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 owner’s manual or contact Wylie
(5) Adjust tractor flow higher
Pump will not
move solution
(1) Spray tank empty
(2) Main tank ball valve closed
(3) Plugged strainer
(4) Malfunctioning pump
(5) Pump is air locked
(1) Fill tank
(2) Open ball valve
(3) Clean strainer screen and inspect cap O-ring
(4) See pump owner’s manual or contact Wylie
Spray Center
(5) Open drain cocks to bleed air and check for
air leaks between tank and pump
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 water
tank valve
(1) Fill tank; bleed air by removing top pump plug
(2) Open ball valve
(3) Clean strainer screen and inspect cap O-ring
(4) Replace suction hose
(5) Tighten fittings and clamps;
Check for cracked or cut components;
Apply thread sealant to pipe threads.
(6) Close ball valve
(7) See pump owner’s manual or contact Wylie
Spray Center
(8) Close fresh water tank valve
Controller does
not operate
(1) Not connected to 12V system
(2) Improperly connected to 12V system
(3) Improper ground connection
(4) Fuse blown on controller
(5) Master switch turned off
(6) Boom switches off
(7) Controller not programmed properly
(8) Malfunctioning controller
(1) Connect to constant power source, such as
the starter
(2) Check hot and ground connections
(3) Do not ground to cab. Cab is usually
mounted on rubber bushings
(4) Replace fuse
(5) Turn on switch
(6) Turn boom switches on
(7) See controller owner’s manual for
instructions.
(8) See controller owner’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
(3) Ball valve stuck
(1) Connect wires to controller cable
(2) Connect red wire to 12 volt source
(3) Flush entire spray system with clean water
