Mow Circuit Problems
Problem
Possible Cause
No cutting decks will operate.
Electrical problem exists (see Chapter 5 -- Electrical System).
NOTE: To engage the mow circuit,
the seat must be occupied, the cut-
ting deck(s) must be fully lowered,
the traction speed must be in the
Low (4WD) position and the PTO
switch must be ON.
Gear pump is damaged (NOTE: other hydraulic circuits impacted as
well).
One cutting deck will not operate.
Electrical problem exists (see Chapter 5 -- Electrical System).
System pressure to the affected deck is low.
Woodruff key on affected deck motor is damaged.
Solenoid valve (S) in PTO manifold for affected deck is faulty.
Cartridge valve in PTO manifold for affected deck is damaged or
sticking.
Deck motor or gear pump section is damaged.
NOTE: If appropriate, transfer a suspected damaged motor to
another cutting deck. If problem follows the motor, motor needs
repair or replacement.
All cutting decks operate slowly.
Cutting deck stops under load.
Engine RPM is low.
Deck motor or gear pump sections are damaged.
Relief valve in PTO manifold for affected deck is by--passing.
Deck motor has internal leakage (by--passing oil).
Cutting deck gear pump section is worn or damaged.
Hydraulic System
Page 4 -- 32
Groundsmaster 4000--D/4010--D
| 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 |
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| Document Type | Catalog |
| Language | English |
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