Problem
Possible Cause
Gear pump is noisy (cavitation).
Hydraulic tank oil level is low.
Hydraulic oil is very cold.
Suction line is restricted.
Suction line has an air leak.
Cutting deck blades will not turn.
An electrical problem exists (see Chapter 5 – Electrical System).
The engine coolant temperature is excessive.
Transmission solenoid valve is stuck.
Transmission charge pump is damaged (traction charge circuit also
affected).
Transmission pressure valve is faulty.
Cutting deck problem exists (see Chapter 7 – Cutting Deck).
Engine speed is too low.
Cutting deck blade(s) turn too slowly.
Cutting deck problem exists (see Chapter 7 – Cutting Deck).
An electrical problem exists (see Chapter 5 – Electrical System).
PTO does not stop when disen-
gaged.
Transmission solenoid valve is stuck or damaged.
PTO brake friction plates are worn or damaged.
Engine speed is too low.
Cutting deck (or implement) will not
lift or lifts slowly.
Lift cylinder linkage is binding or broken.
Lift arm bushings are binding.
Hydraulic tank oil level is low.
Gear pump pressure or flow is insufficient.
Gear pump is damaged.
Implement relief valve (in gear pump) is stuck open.
Lift cylinder leaks internally.
Lift control valve is defective.
Lift cylinder leaks internally.
Cutting deck (or implement) raises,
but will not stay up.
Check valve within the lift control valve leaks.
Lift control valve is worn or defective.
NOTE: Lift cylinder and check valve
in lift control valve cannot provide an
absolutely perfect seal. The cutting
deck (or implement) may eventually
lower if left in the raised position.
Hydraulic System
Page 4 – 22
Groundsmaster 7200/7210
| Categories | Lawn Mower Manual, Sprinkler and Irrigation Manuals, Toro Sprinkler and Irrigation Manuals |
|---|---|
| Tags | Toro Groundsmaster 7200, Toro Groundsmaster 7210 |
| Download File |
|
| Document Type | Service Manual |
| Language | English |
| Product Brand | Toro. Customer Service Representatives are available by phone:
Monday - Friday 7:30 a.m. to 9:00 p.m. (CDT) - Saturday 8:00 a.m. to 8:00 p.m. (CDT) - Sunday 10:00 a.m. to 8:00 p.m. (CDT)
Canada 1-888-225-4886 USA 1-888-384-9939, Lawn Mower |
| Document File Type | |
| Publisher | toro.com |
| Wikipedia's Page | Toro Company |
| Copyright | Attribution Non-commercial |
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My mower is a TORO 7210.
Start fuse defection. Why ?