Cutting Unit (Or Attachment) Problems - Toro Groundmaster Series Service Manual

Cutting Unit (or attachment) Problems

Problem
The PTO shaft will not engage (or
disengage).
The cutting unit (or attachment) does
not lift.
The cutting unit (or attachment) does
not lower.
Groundsmaster ® 3200, 3300 and 3310
19240SL Rev A
Possible Cause
An electrical problem exists in the
electric PTO clutch circuit.
Lift arms are binding, worn or damaged.
An electrical problem exists in the
solenoid valve (SV1) circuit.
A hydraulic issue exists in the lift/lower
hydraulic circuit.
Lift arms are binding, worn or damaged.
An electrical problem exists in the
solenoid valve (SV2) circuit.
A hydraulic issue exists in the lift/lower
hydraulic circuit.
Page 3–25
Corrective Action
Check the TDM display/controller
Diagnostics>PTO>Inputs and Outputs
while operating the machine.
Test the PTO switch and replace if
necessary.
Test the PTO clutch coil and replace if
necessary.
Check PTO clutch air gap and adjust or
replace if necessary.
Inspect lift components and repair or
replace if necessary.
Check the TDM display/controller
Diagnostics>Deck>Inputs and Outputs
while operating the machine.
Test the solenoid valve coil (SV1) and
replace if necessary.
Test the machine wire harness solenoid
valve (SV1) circuit.
Refer to Troubleshooting – Hydraulic
Inspect lift components and repair or
replace if necessary.
Check the TDM display/controller
Diagnostics>Deck>Inputs and Outputs
while operating the machine.
Test the solenoid valve coil (SV2) and
replace if necessary.
Test the machine wire harness solenoid
valve (SV2) circuit.
Refer to Troubleshooting – Hydraulic
Troubleshooting: Cutting Unit (or attachment) Problems