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Cutting Unit Operation Problems
Condition Possible Cause Correction
Engine continues to run (but Seat switch plunger depressed
Check for seat support spring
should not) when PTO switch is with no operator on seat.
that is broken, missing or stuck in
ON with no operator on the seat.
down position.
Check for binding seat pivot
hinge.
Check for waterlogged seat.
Seat switch faulty or out of
Test seat switch. Adjust or
adjustment.
replace if faulty.
Time delay relay faulty.
Test relay. Replace if faulty.
Wing cutting unit runs (but should Wing switch faulty. Test switch. Replace if faulty.
no
t) when raised, but shuts off Make sure switch is properly
wi
th PTO switch. installed.
Wing cutting units shut off when Cutting unit relay faulty. Test relay. Replace if faulty.
ra
ised, but cutting units do not
shut off with PTO switch. PTO switch faulty. Test switch. Replace if faulty.
Cutting units run (but should not) Axle HI/LOW switch or plunger Test HI/LOW switch. Check for
wi
th axle in “HI” range. faulty. proper installation and operation
of plu
nger assembly. Replace
switch or repair plunger if faulty.
Cutting unit relay faulty. Test cutting unit relay. Replace if
fau
lty.
Troubleshooting P
age 5 - 12 Groundsmaster
®
455-D
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