Problem
Possible Causes
Cutting decks will not raise.
Engine RPM is too low.
Hydraulic oil level in reservoir is low.
Lift arm pivots are binding.
Relief valve in lift/lower control valve is stuck.
Pilot valve in lift/lower control valve is damaged or sticking.
Lift cylinder(s) is (are) damaged.
Gear pump section for lift/lower control valve is inefficient.
Lift circuit lines or fittings are leaking.
Cutting decks raise, but will not stay
up.
Lift cylinder is damaged.
NOTE: Lift cylinders cannot provide
an absolutely perfect seal. The cut-
ting deck will eventually lower if left
in the raised position during storage.
Detents in lift/lower control valve are worn.
Front cutting deck drops too fast or
too slow.
Flow control valve is not adjusted properly.
Cutting decks will not lower.
Lift arm pivots are binding.
Counterbalance pressure is excessive.
Pilot valve in lift/lower control valve is damaged or sticking.
Lift cylinder is damaged.
Lift/lower control valve is worn or damaged.
Hydraulic System
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Groundsmaster 4000--D
| Categories | Lawn Mower Manual, Sprinkler and Irrigation Manuals, Toro Sprinkler and Irrigation Manuals |
|---|---|
| Tags | Toro Groundsmaster 30412, Toro Groundsmaster 4000 D |
| Download File |
|
| Document Type | Catalog |
| 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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