Problem
Possible Cause
Cutting units will not lift or lift slowly.
Engine speed is too low.
Reservoir oil level is low.
Lift cylinder linkage is binding or broken.
Lift cylinder bushings bind.
Charge circuit pressure is low (see Charge Relief Valve (R4) Pres-
sure Test).
Implement relief valve (R5) is leaking or damaged (see Implement
Relief Valve (R5) Pressure Test).
Solenoid valve (S2) is leaking or damaged (not shifting to its ener-
gized position).
Relief valve (R2) is leaking or damaged (see Lower Cutting Units
Relief Valve (R2) Pressure Test).
Lift cylinders leak internally.
Spool in steering control valve is hung up (see Steering Control
Valve Test).
Gear pump (P2) is worn or damaged (see Gear Pump (P2) Flow
Test).
Cutting units raise, but will not stay
up.
Solenoid valve (S4) is leaking or damaged.
Lift cylinders leak internally.
Steering wheel is hard to turn.
Steering control valve has insufficient oil flow.
Emergency steering ball in steering control valve is missing or
damaged.
Regular adjustments to steering
wheel are necessary because of dif-
ficulty of driving in a straight line.
Leaf springs in steering control valve are worn or broken.
Gear wheel set in steering control valve is worn.
Steering cylinder is seized or its piston seals are worn (see Steer-
ing Control Valve Test).
Steering wheel will not return to the
neutral position.
Spool and sleeve are sticking to steering control housing assembly
(see Steering Control Valve Test).
Steering wheel can turn on its own.
Leaf springs in steering control valve are broken or stuck.
Spool and sleeve are sticking to steering control housing assembly
(see Steering Control Valve Test).
Backlash results when turning steer-
ing wheel.
Cardan shaft fork is worn or broken.
Leaf springs in steering control valve are worn or broken.
Splines on the steering column are worn.
Hydraulic System (Rev. E)
Page 4 -- 26
Greensmaster 3150
| Categories | Lawn Mower Manual, Sprinkler and Irrigation Manuals, Toro Sprinkler and Irrigation Manuals |
|---|---|
| Tags | Toro Greensmaster 3150 |
| Download File |
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| 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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