Toro Multi Pro 5800 Service Manual page 185

Spray pump does not rotate.
Spray operation from booms is
erratic.
No spray output from one spray
boom.
Low spray rate from one boom
nozzle.
Multi Pro 5800
Spray pump switch is off or damaged.
Pressure increase/decrease switch is not adjusted properly.
Key on spray pump or hydraulic motor shaft is sheared or missing.
Spray pump coupler assembly is loose or damaged.
Pump drive hydraulic motor is not engaged or is damaged (see
Chapter 4 -- Hydraulic System).
Pro Control XP Spray System (if equipped) is not set up correctly.
Suction screen in tank is plugged.
Spray nozzle(s) are clogged or damaged.
Spray nozzles are different sizes.
Console boom switch(es) are dirty, corroded or damaged.
Boom valve motor is worn or damaged.
Boom bypass is not adjusted correctly (sprayer equipped with
manual interface module).
Hoses on boom are pinched or kinked.
Boom valve motor for affected boom is not opening.
Fuse for affected boom valve motor is faulty.
Console boom switch for affected boom valve is dirty, corroded or
damaged.
NOTE: Check for 12 volts at affected boom valve motor in both di-
rections (on and off).
Nozzle is clogged or damaged.
Spray nozzles are different sizes on boom.
Boom valve motor for affected boom is not seating.
Page 6 - - 7 Spray System