Toro SprayMaster Max 34240 Operator's Manual page 57

Problem
Engine overheats
Machine pulls left or right (with lever fully
forward).
Machine does not drive.
Abnormal vibration
Impeller does not rotate.
Uneven spread/spray pattern.
No front spray or poor output.
No material dispensed from hopper.
Possible Cause
1. Engine load is excessive
2. Oil level in the crankcase is low.
3. Cooling fins and air passages for the
engine are plugged.
1. Tire pressure in drive tires not correct.
2. Damaged control linkage.
3. Tracking not set.
1. Bypass valve is not closed tight.
1. Engine mounting bolts are loose.
1. Debris buildup.
2. Hopper screen is plugged.
3. Spreader motor is loose or damaged.
4. Spreader motor hydro failure.
5. Spreader controller turned off or down.
6. Impeller motor bearing failure.
1. Impeller is dirty or damaged.
2. Gate not adjusted properly.
3. Nozzles are clogged.
4. Hopper screen is plugged.
5. Material clumps over gate.
6. Diffuser ramp setting incorrect.
7. Air in spray system.
1. Tank is empty.
2. Strainer is clogged or damaged.
3. Pump is clogged or damaged.
4. Nozzles are clogged.
5. Hoses are clogged, kinked, or
damaged.
6. Spray control not on.
7. Spray pressure and speed incorrect.
8. Spray mixture is incorrect.
9. Spray system is leaking or sucking air.
10. Air in spray system.
1. Hopper screen is plugged.
2. Gate not adjusted properly.
57
Corrective Action
1. Reduce the ground speed.
2. Add oil to the crankcase.
3. Remove the obstructions from the
cooling fins and air passages.
1. Adjust tire pressure in the drive tires.
2. Replace control linkage.
3. Adjust tracking.
1. Tighten the bypass valve.
1. Tighten the engine mounting bolts.
1. Clean impeller.
2. Clean hopper screen.
3. Repair or replace motor.
4. Check connections.
5. Check controller knob positions. Reset
motor controller.
6. Replace bearing or entire motor.
1. Clean, repair, or replace impeller.
2. Adjust the gate. See Spreader Pattern
Adjustment section in Operation.
3. Unclog or replace nozzles.
4. Clean hopper screen.
5. Check motor shaft agitator pin
presence.
6. Adjust pattern control.
7. Purge air from spray system.
1. Fill tank.
2. Clean, repair, or replace strainer.
3. Clean, repair, or replace pump.
4. Unclog or replace nozzles.
5. Clean, repair, or replace hoses.
6. Turn on spray.
7. Adjust pressure and speed.
8. Follow chemical manufacturer's
recommendation.
9. Inspect system and clean, repair, or
replace components as needed.
10. Purge air from spray system.
1. Clean hopper screen.
2. Adjust the gate. See Spreader Gate
Adjustment section in Operation.