Toro greensmaster 3100 Operator's Manual page 40

CONDITION
11. Cutting units drop during
transport (between greens)
12 Cutting units drop while the
machine is stored.
(Overnight)
13.One or more cutting units
are slow or there is no reel
drive action.
14.Center cutting unit (#1) reel
operates in the raised
position.
15 Reel drive pressure lines
pulsates during operation.
CAUSE
• Internal lift cylinder leak
• Lift check plug seals in the #1
spool body are defective
• The detent stud in the #1 spool
is loose
• #1 spool is loose in valve body
Fluid bypassing.
• Normal condition
• The bedknife-to-reel
adjustment is too tight
• Tight reel bearings
• Rear camshaft is maladjusted
• Poppet in relief cartridge off
seat.
• Improper suction line(s)
installed. Line collapsed.
• Blockage in line fitting.
• Excessively worn motor.
• Slow reel rpm—No. 1 C.U.
• Excessively worn pump
• Spool loose in valve body.
Fluid leak past spool.
• Steel pressure line damaged.
Flow restricted. (Front cutting
units only).
• Low fluid level. (Will affect total
machine performance).
• Rear camshaft maladjusted.
The #3 spool is too far out of
body.
• Restriction in brazed tube
assembly on the #3 spool
section.
• Restriction in the valve return
port between the #3 spool
section and right-hand cover.
• Normal condition. Will vary
from line to line.
40
CORRECTION
• Raise units & block them up.
Remove lines from brazed
tube & remove blocks. Line
which leaks fluid is attached to
bad cylinder. Repair cylinder.
• Remove lift check plugs.
Replace O-ring assemblies.
• Remove adjustment cap from
the #1 spool bonnet.
Retighten the stud with a
screwdriver.
• Replace spool valve assembly
• No repair necessary
• Readjust per instructions in the
operator's manual for cutting
unit.
• Repair as necessary
• Readjust
• Remove and repair or replace
the relief cartridge
• Remove. Use genuine TORO
parts only.
• Repair as necessary
• Test to verify. Repair or
replace the motor.
• Check the lift cylinders for
internal leakage. Repair or
replace.
• Test to verify. Repair or
replace.
• Replace the spool valve
assembly.
• Replace the line.
• Add fluid.
• Readjust the camshaft
• Remove restriction
• Disassemble the cover &
remove the restriction.
• No repair necessary.