Aerate Operation Problems - Toro Hydroject 3010 Service Manual

Aerate Operation Problems

Condition
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Machine continues to aerate (but
should not) with traction bail in
neutral.
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Machine aerates (but should not)
with with machine raised in trans ­
port position.
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Machine starts aerating (but
should not) with inlet water pres ­
sure of less than 20 to 30 PSI, or
machine does not stop aerating if
inlet water pressure drops to
10 PSI.
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Machine does not start aerating
when engage button is pushed in
(pump drive belt does NOT ro­
tate).
Hydroject 3010
Possible Cause
See Safety Interlock System Prob ­
lems.
See Safety Interlock System Prob ­
lems.
Water pressure switch faulty.
Water pressure switch wiring faulty.
Controller faulty.
Problem not electrical (see Chap ­
ter 6 - Water System.)
Loose or broken wire.
Accumulator charge switch faulty.
Accumulator high pressure switch
faulty.
Pressure gauge switch faulty.
Pump clutch faulty.
Pump relay faulty.
Aerator stop (disengage) switch
faulty.
Wheel position switch faulty.
Aerator start (engage) switch faulty.
Controller faulty.
Page 5 - 11
Correction
Test switch and replace if faulty.
Check for short in pressure
switch/controller connections and
wiring and repair as necessary.
Replace controller.
Check all connections and wiring
and repair as necessary.
Test switch and replace if faulty.
Accumulator high pressure
switch faulty.T
Test switch and replace if faulty.
Test clutch and replace if faulty.
Test relay and replace if faulty.
Test switch and replace if faulty.
Make sure switch is installed
properly. Test switch and replace
if faulty.
Test switch and replace if faulty.
Replace controller.
Troubleshooting