Toro GREENSMASTER 3100 - Hydraulic System Troubleshooting

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2. No #1 or Reverse Traction
speed. Normal #2 speed.
• Defective or missing disc seal
between the #3 or #4 valve
sections.
• Poppet inside #4 spool stuck
open. Off seat.
• Open traction relief cartridge in
the #4 spool section.
• Remove the valve bank.
Replace the disc seal.
• Remove the valve bank.
Repair the #4 spool section.
• Remove the relief cartridge.
Repair or replace it.
CONDITION CAUSE CORRECTION
HYDRAULIC:
1. No ground speed increase in
#2 selection.
• Maladjusted control lever.
• Maladjusted rear camshaft.
• Mow-lift linkage binding or
broken lift pivot spring.
•Wrong detent parts in #4
spool.
• #2 or #3 spool relief valves
stuck open. (Reel drive RPM
will also be low on #1 or #3
cuffing unit).
• Adjust. Refer to Traction
Switch Adjustment.
• Adjust by moving right-hand
end of the rear camshaft
forward or left-hand end
rearward.
• Lubricate or repair the
machine.
• Remove valve bank & repair
#4 spool assembly.
• Remove, and repair or replace
the relief cartridge.
2. Engine won’t start
• Faulty ignition system
• No fuel
• Defective starter system
• Carburetor fuel solenoid
• Repair as necessary
• Check the fuel level. Add
gasoline to the tank.
• Check connections, solenoid,
starter motor, ignition switch.
• Check solenoid and wiring.
ENGINE:
1. Loss of power
• Out of fuel
• Clogged fuel line—debris in
the fuel tank
• Clogged fuel filter
• Low crankcase oil level
•Wrong oil in the crankcase
• Carburetor fuel solenoid
• Throttle cable set incorrectly
• Choke closed
• Plugged air cleaner element
• Carburetor malfunction
• Ignition malfunction
• Cooling fins plugged with
debris.. Engine overheating.
• Internal engine malfunction
• Engine-pump coupling loose
• Hydraulic system malfunction
•Re-fill the fuel tank
• Clean the fuel tank. Use clean
gasoline.
• Replace the filter
• Add oil. Check the oil level
more often.
• Replace with correct oil
• Check solenoid and wiring
• Repair as necessary
• Readjust
• Replace the element. Service
more often.
• Repair as necessary.
• Repair as necessary.
• Clean fins. Repair the engine
as necessary.
• Repair as necessary.
• Repair or replace.
• Refer to Hydraulic Trouble
Shooting, (See below).
Troubleshooting