Wylie LCS Sprayer, Operator'S & Parts Manual, Page: 19 / 26

15
Troubleshooting Guidelines
Problem Cause Solution
Pump Will Not
Operate
(1) Tractor PTO not engaged
(2) Hydraulic lines not inserted in correct
ports (hydraulic centrifugal pump)
(1) Engage tractor PTO
(2) Plug hydraulic lines into proper ports
Pump will not
spray 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 owners 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) Malfunctioning pump
(7) PTO RPM too slow
(8) Hydraulic fluid pressure set too low
(1) Fill tank
(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) See pump owners manual or contact
Wylie Spray Center
(7) Increase PTO speed
(8) Increase hydraulic fluid pressure
Controller/gun
or nozzles do
not operate
(1) Control valve handle not engaged
(2) Malfunctioning controller
(1) Rotate valve handle “up” to engage
(2) Repair or replace control valve or contact
Wylie Spray Center
No output or
insufficient
pressure at
spray tip(s)
(1) Air leak in suction side of system
(2) Problem with pump
(3) Control valve malfunctioning
(4) Pressure regulating valve set too low
(5) Nozzle strainer(s) or tip(s) clogged
(6) Agitator valve opened too much
(1) See above
(2) See above
(3) Repair or replace control valve
(4) Increase pressure by adjusting pressure
regulating valve
(5) Clean strainer(s) or tip(s)
(6) Close agitator valve partially to allow
pressure to build
No output from
one section of
sprayer
(1) Control valve for that section closed (1) Open control valve for that section
Spray pattern
uneven at one
tip
(1) Trash in tip orifice
(2) Damaged tip orifice
(3) Worn or damaged tip
(1) Clean tip
(2), (3) Replace tip
Spray solution
not mixing well
(1) Agitator closed
(2) Clogged or damaged agitator
(1) Open agitator ball valve
(2) Replace agitator assembly
Troubleshooting