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Workman 200 Spray SystemPage 3 -- 6Spray System
Tr oubleshooting
Problem Possible Cause
Spray system leaks fluid. Fitting(s), hose(s), or tube(s) are loose or damaged.
O--ring(s) or seal(s) are missing or damaged.
Spray tank drain valve is leaking.
Fluid leaking from bottom of spray
pump.
Faulty diaphragm(s) in spray pump.
Excessive suction hose vibration. Suction screen in tank is plugged.
Spray pump suction line has an air leak.
Suction tube in spray tank has air leak.
Suction line is restricted.
Suction dampener diaphragm is damaged.
Spray pressure is low. Suction line is restricted.
Suction screen in tank is plugged.
Spray nozzles worn or damaged.
Pressure line or component is loose or leaking.
Engine speed is low.
Pressure relief valve in tank is stuck.
Spray pump is damaged.
Single spray boom nozzle leaks
when boom is turned off.
Diaphragm in turret body is leaking or damaged.
Nozzles on one spray boom leak
when boom is switched off.
Diaphragm in turret body is leaking or damaged.
Boom valve motor for affected boom not seating.
Spray pump doesn’t rotate. Vehicle clutch pedal is depressed.
Key on spray pump shaft is sheared.
Auxiliary PTO not engaged or faulty.
Auxiliary PTO output shaft damaged.
PTO drive shaft damaged or missing.