What to do if hydraulic oil in Toro 30446 Lawn Mower reservoir foams?
If the hydraulic oil in the reservoir is foaming, it could be due to a few reasons. First, check the hydraulic reservoir oil level and refill if it's low. Ensure that you are using the correct hydraulic oil for the system. Another possible cause is air leaking into the suction line, so repair any air leaks you find there.
How to adjust the speed of the front cutting deck drop on my Toro 30446 Lawn Mower?
If the front cutting deck on your Toro Lawn Mower drops too fast or too slow, adjust the flow control valve.
Why cutting decks will not lower on my Toro 30446 Lawn Mower?
If the cutting decks on your Toro Lawn Mower will not lower, it could be due to binding lift arm pivots; free or repair them. Excessive counterbalance pressure could also be the cause; adjust the counterbalance pressure. Other potential issues include a damaged or sticking pilot valve in the lift/lower control valve (repair or replace), a damaged lift cylinder (repair or replace), or a worn or damaged lift/lower control valve (repair or replace).
Why cutting decks raise, but will not stay up on my Toro 30446 Lawn Mower?
If the cutting decks on your Toro Lawn Mower raise but won't stay up, there may be leaks in the lift circuit lines or fittings; repair any leaks. The lift cylinder could also be damaged, requiring repair or replacement. Additionally, worn detents in the lift/lower control valve may be the issue; replace the worn detents.
Why is the hydraulic system on my Toro Lawn Mower running hot?
Several factors can cause the hydraulic system to run hot. The engine RPM might be too low, so increase the engine RPM. The hydraulic reservoir oil level could be low, so check and refill it. It's also possible that the hydraulic oil is contaminated or the wrong type, in which case you should change the hydraulic oil. Other potential causes include engaged or sticking brakes (free or adjust them), an open or damaged piston pump by-pass valve (repair or replace it), a cooling system that isn't operating properly (check and repair it), low charge pressure (increase it), incorrect traction circuit pressure (adjust it), or damaged pumps or motors (repair or replace them).
Why one cutting deck will not operate on my Toro 30446?
If one cutting deck on your Toro Lawn Mower will not operate, check and adjust the system pressure to the affected deck if it's low. Other potential causes include a damaged Woodruff key on the affected deck motor (replace it), a faulty solenoid valve (S) in the deck manifold (replace it), a damaged or sticking cartridge valve in the deck manifold (repair or replace), or a damaged deck motor or gear pump section (repair or replace).
Why no cutting decks will operate on my Toro 30446 Lawn Mower?
If all the cutting decks on your Toro Lawn Mower won't operate, the gear pump or its coupler may be damaged; repair or replace the damaged gear pump or coupler.
Why four wheel drive will not disengage on my Toro 30446?
If the four-wheel drive on your Toro Lawn Mower will not disengage, the solenoid valve (SV) in the 4WD hydraulic manifold may be faulty, so replace it. Another possible cause is a damaged or sticking cartridge valve in the 4WD manifold, which should be repaired or replaced.
Why all cutting decks operate slowly on my Toro Lawn Mower?
If the cutting decks on your Toro Lawn Mower are operating slowly, increase the engine RPM if it's low. Damaged deck motor or gear pump sections could also be the cause, so repair or replace them.
Why four wheel drive will not engage on my Toro 30446?
If the four-wheel drive on your Toro Lawn Mower will not engage, the solenoid valve (SV) in the 4WD hydraulic manifold may be faulty, so replace it. Also, the cartridge valve(s) in the 4WD manifold could be faulty, requiring replacement. Other potential causes include a loose or damaged drive gear on the rear axle motor or driven gear for the rear axle (repair or replace), or a damaged rear axle motor (repair or replace).
General| Cutting Width | 22 in |
|---|---|
| Drive Type | Self-Propelled |
| Deck Material | Steel |
| Weight | 80 lbs |
| Power Source | Gasoline |
| Cutting Height | 1.25 - 3.75 in |
| Starting System | Recoil |
| Mulching Capability | Yes |
| Bagging Capability | Yes |
| Side Discharge Capability | Yes |
| Engine | Briggs & Stratton® |
| Wheel Size | 11 inches (rear) |
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