Lift Circuit Problems
Problem
Possible Cause
Cutting decks will not raise.
Engine RPM is too low.
NOTE: Seat must be occupied in or-
Hydraulic oil level in reservoir is low.
der to raise cutting decks.
Solenoid valve (S1) in lift/lower manifold is faulty.
Electrical problem exists (see Chapter 5 -- Electrical System).
Lift arm pivots are binding.
Relief valve in lift/lower manifold is stuck.
Lift cylinder(s) is (are) damaged.
Gear pump section for lift circuit is inefficient (NOTE: steering circuit
impacted as well).
Cutting decks raise, but will not stay
up.
Lift circuit lines or fittings are leaking.
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.
Cartridge valve(s) in lift/lower manifold has damaged seals or is
faulty.
Cutting decks will not lower.
Lift arm pivots are binding.
NOTE: To lower a cutting deck, the
seat must be occupied and the trac-
tion speed must be in the Low
Electrical problem exists (see Chapter 5 -- Electrical System).
Solenoid valve (S1) in lift/lower manifold is faulty.
Counterbalance pressure is excessive.
Lift cylinder is damaged.
(4WD)
position.
Groundsmaster 4000--D/4010--D
Page 4 -- 33
Hydraulic System
| Categories | Lawn Mower Manual, Sprinkler and Irrigation Manuals, Toro Sprinkler and Irrigation Manuals |
|---|---|
| Tags | Toro Groundsmaster 10176SL, Toro Groundsmaster 30446, Toro Groundsmaster 30448, Toro Groundsmaster 4010 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 |
(0 votes, average: 0 out of 5)