43
Problem
Corrective Action
Possible Causes
The cutting units drop during transport
(between greens).
1. A lift cylinder is leaking internally.
1. Raise the units and block them up.
Remove the lines from the brazed
tube and remove the blocks. The
line that leaks fluid is attached to
the bad cylinder. Repair the
cylinder.
2. The lift check plug seals in the #1
spool body are damaged.
2. Remove the lift check plugs.
Replace the o-ring assemblies.
3. A detent stud is loose in the #2
spool.
3. Remove the adjustment cap from
the #2 spool bonnet. Tighten the
stud with a screwdriver.
4. The #1 spool is loose in the valve
body and fluid is bypassing.
4. Replace the spool valve assembly.
The cutting units drop while the
machine is stored (overnight).
1. This is a normal condition.
1. No repair is necessary.
One or more cutting units are slow or
there is no reel driven action.
1. The bedknife to reel adjustment is
too tight.
1. Adjust per the cutting unit
operator’s manual
t e e s o ee d e act o
2. The reel bearings are tight.
2. Repair as necessary.
3. The rear camshaft is misadjusted.
3. Adjust the camshaft.
4. The poppet in a relief cartridge is
off seat.
4. Remove and repair or replace the
relief cartridge.
5. An improper suction line(s) is
installed. The line collapsed.
5. Remove the suction line and
replace with genuine Toro parts.
6. A line fitting has a blockage.
6. Repair as necessary.
7. A motor is excessively worn.
7. Test to verify. Repair or replace the
motor.
8. The #1 cutting unit has slow reel
RPM.
8. Check the lift cylinders for internal
leakage. Repair or replace the
cylinder.
9. The pump is excessively worn.
9. Text to verify. Repair or replace the
pump.
10. A spool is loose in the valve body.
Fluid is leaking past the spool.
10. Replace the spool valve assembly.
11. A steel pressure line is damaged
and flow is restricted (front cutting
units only).
11. Replace the line.
12. The fluid level is low enough to
affect the total machine
performance.
12. Add fluid.
The reel drive pressure lines pulsate
during operation.
1. This is a normal condition. It will
vary from line to line.
1. No repair is necessary.
The mow pedal will not stay down
l
i i h ld d
i h
f
1. The rear camshaft is misadjusted.
1. Adjust the camshaft.
p
y
unless it is held down with your foot
(the #2 spool is not in Detent).
2. The #2 spool detent is
malfunctioning.
2. Remove and repair it.
Electrical:
The engine starts (but should not)
when the shift selector is in gear.
1. The traction switch is adjusted
incorrectly or is damaged.
1. Refer to Replacing the Traction
Switch.
The engine starts (but should not)
when the mow pedal is depressed and
the reels are engaged.
1. The mow/lift switch is adjusted
incorrectly or is damaged.
1. Refer to Replacing the Mow/Lift
Switch.
The engine starts (but should not)
when the operator is not on the seat.
1. The seat switch is adjusted
incorrectly or is damaged.
1. Refer to Replacing the Seat Switch
Summary of Contents for GREENSMASTER 3100
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