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TORO Hydroject® 3000/4000 Components

NOTES

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2 Electric Clutches

There are two electric clutches that connect the engine to the water pump and the cycling valve.

When the operator depresses the ENGAGE button, the first clutch energizes, engaging the water pump.

After the water pump builds the required pressure, the control module engages the second clutch, engaging the
cycling valve and starting the aeration cycle.

If at any time the water supply pressure drops below 15-20 PSI or if the traction unit stops, the water pump
clutch and cycling valve will disengage.

Electric Clutch Testing and Adjustment

Both clutches should measure 3 Ohms of resistance across the coil when tested with an Ohmmeter.

For the clutches to operate properly the correct air gap must be maintained.
The air gap is checked with a feeler gauge and set to .018”.

Содержание Hydroject 3000

Страница 1: ...Commercial Products Hydroject 3000 4000 Troubleshooting Guide PART NO 97928SL Rev A...

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Страница 3: ...ice Bulletins Operator s Manuals and Parts Books when necessary Service Manual Updates and Service Bulletins can be found on the internet at www toro com golf custsvc html This Manual and the training...

Страница 4: ...Overview TORO Hydroject 3000 4000 2...

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Страница 6: ...auge Engine driven water pump Accumulator Accumulator charge pressure switch 5000 psi relief valve Cycling valve water valve Rollers Roller washer High pressure aeration nozzles Drain valve Hydrostati...

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Страница 9: ...__________________________________________________________________________________ 7 Engine The Hydroject is powered by an Onan 24 HP air cooled twin cylinder electric start gas engine The engine is e...

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Страница 15: ...___________________________________________________________________________________________________ 13 Tiller Controls 3000 Hydroject Only The tiller handle contains some controls for aerating These c...

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Страница 23: ...__________________________ 21 Controller The controller is a solid state timing device used to regulate monitor the input functions 3 colored lights monitor these functions Red Yellow and Green Hydroj...

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Страница 29: ..._____________________________________________________________________ ____________________________________________________________________________________________________________ 27 Pre filter The Hyd...

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Страница 40: ...The piston moves down as water from lower half of accumulator flows to the injection nozzles Cycling Valve Opens Status Unit running Nitgogen pressure equals water pressure Piston halfway up Accumula...

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Страница 48: ...3000 only 67 8110 Helpful Hints 1 When servicing the air filter Pre cleaner add 1 tablespoon of engine oil to the foam and squeeze to remove excess 2 Verify engine RPM to insure proper operation Low I...

Страница 49: ...SI D 2500 PSI 5 The accumulator is Pre charged with A Air B Water C Liquid Helium D Dry Nitrogen 6 The main water filter should be cleaned when dirty A True B False 7 What is the correct air gap for t...

Страница 50: ...Water System Operation TORO Hydroject 3000 4000 48 Hydroject 3000 Hydroject 4000...

Страница 51: ..._________________________________________________________________________________________ 49 System Operation 1 Water is supplied to the unit by a water supply hose or a portable water supply tank 2 T...

Страница 52: ...to fill the accumulator with water System pressure reaches 5000 PSI Accumulator is half full of water and nitrogen Relief valve opens 5 seconds after pump engagement the timer module engages cycling...

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Страница 54: ...Water System Operation TORO Hydroject 3000 4000 52...

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Страница 56: ...000 54 1 2 3 4 6 7 Depress engage switch PumpBeginstoPump Water Pressure Builds Relief valve opens Cycling valve engages Start up Sequence 5 1 2 3 4 5 6 7 Depressdisengageswitch Pumpstops Shutdown Seq...

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Страница 58: ...nds before the cycling valve opens During these 5 seconds the pressure should initially go up to 4500 5000 PSI and then the relief valve should open 3 On the Hydroject 3000 when the relief valve opens...

Страница 59: ...er pressure reaches 90 PSI B The operator depresses the engage switch C 4 seconds after the Water pump engages D When the unit is in neutral 5 When aerating the unit is operated at A Low idle B High i...

Страница 60: ...connected and wheels up Check pre filter main water filter and water supply hose Check pump start limitt switch Check Accumulator Pressure Contact Distributor Flush pre filter Change main water filter...

Страница 61: ...ght is on whenever the unit is moving or the traction control linkage is not in neutral The red light is on while the unit is aerating If the red light is not on check the transport switch and the swi...

Страница 62: ...or not kept full Repair or Replace Water Pump Recheck Hole Depth Disconnect Cycling valve clutch wire and check for relief valve pressure of 5000 PSI minimum Caused by low nitrogen charge Pressure Low...

Страница 63: ...__________________________________________________________________________________ 61 Complaint Shallow Hole Depth 1 Test high pressure water Low water pressure can be an indication of a faulty relief...

Страница 64: ...Check Water Valve Lift Within Spec Check Water Valve Spool and seat Within spec Adjust valve lift Valve lift to high can prevent valve from completely closing rebuild or replace watervalve Water leaki...

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Страница 78: ...the component must be repaired before continuing with the test 4 The most important test equipment is the flow meter and the water system pressure gauge Bleed air form the system and operate the unit...

Страница 79: ...ed with nitrogen 6 Low water system pressure is caused by A Leaking relief valve B Low water supply flow C Low pump output D Worn injection nozzles E All of the above F None of the above 7 Normal oper...

Страница 80: ...ontinue to rotate coupling an additional 1 4 turn opening the cycling valve Preparation for winter storage or if unit is out of service for an extended period Minimum Pressure 90 Psi Temporarily open...

Страница 81: ...__________ ____________________________________________________________________________________________________________ 79 Storage The unit must be properly prepared for storage If the unit is being s...

Страница 82: ...Maintenance TORO Hydroject 3000 4000 80...

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Страница 84: ...The Toro Company...

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