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SECTION THREE – SERVICE AND MAINTENANCE

49-166 Rev D

Dri-Eaz HVE Large Loss

Page | 36

VACUUM PUMP TROUBLESHOOTING

LOSS OF VACUUM

(while cleaning, engine RPM is normal but vacuum is lower than expected)

PROBABLE CAUSE

SOLUTION

Vacuum gauge is giving an improper reading.

Examine the tubing between the vacuum relief valve and the
vacuum gauge and remove any blockage.

Vacuum hose(s) is damaged, causing a suction
leak.

Inspect hose(s), repair or replace.

Waste tank gaskets not sealing properly, not
positioned properly.

Inspect the gasket. Repair seal or replace Re-position lid(s).

Plugged vacuum hose or vacuum plumbing
between vacuum inlet and strainer basket.

Unplug vacuum hose or inlet plumbing.

Waste tank filter or strainer basket is plugged.

Clean or replace filter. Clean strainer basket.

Loose vacuum pump drive belts.

Tighten the drive belts.

Waste tank drain valve is damaged or left
open, causing a vacuum leak.

Drain the waste tank. Close drain valve, if open. Replace valve
if defective.

Vacuum relief valve requires adjustment or
has a vacuum leak due to damaged diaphragm.

Re-adjust the vacuum relief valve. If the vacuum does not
increase, remove and inspect the relief valve diaphragm. If
damaged, replace.

Vacuum pump is worn out.

Replace the vacuum pump.

WASTE PUMP TROUBLESHOOTING

WASTE PUMP IS MALFUNCTIONING

PROBABLE CAUSE

SOLUTION

Defective waste pump float switch.

Replace float switch.

Broken impeller in pump.

Replace impeller.

Pump out circuit breaker on instrument panel
has tripped.

After inspecting waste pump to determine the cause of the
overloaded circuit, press reset button.

Ball valve closed.

Open valve.

Weak battery.

Charge or replace battery. Check charging station.

Содержание HVE-LL Large Loss

Страница 1: ...OPERATION AND SERVICE MANUAL Dri Eaz Products Inc 15180 Josh Wilson Rd Burlington WA 98233 800 932 3030...

Страница 2: ...revent personal injury or damage to the equipment Please make sure that you have read and understand these instructions entirely before proceeding with the operation of this unit THIS UNIT MUST BE INS...

Страница 3: ...IMPLIED ORAL OR WRITTEN WARRANTIES WITH RESPECT TO THIS PRODUCT OR WORKMANSHIP AND ALL WARRANTIES IMPLIED BY LAW INCLUDING ANY WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE ARE LIM...

Страница 4: ...QUIREMENTS 9 BATTERY CONNECTION 10 RECEIVING YOUR EXTRACTION SYSTEM 11 SECTION TWO OPERATION 12 UNDERSTANDING THE SYSTEMS 13 OPERATION 16 FREEZE PROTECTION 22 SECTION THREE SERVICE AND MAINTENANCE 25...

Страница 5: ...GENERAL INFORMATION CONTACT INFORMATION 2 WARNINGS AND CAUTIONS 3 SPECIFICATIONS 8 TORQUE VALUES 8 REQUIREMENTS 9 FUEL REQUIREMENTS 9 ENGINE OIL REQUIREMENTS 9 BATTERY CONNECTION 10 RECEIVING YOUR EXT...

Страница 6: ...stributors http www Dri Eaz com If you need to contact Dri Eaz directly for questions regarding this manual service questions that cannot be resolved by your distributor or other general information p...

Страница 7: ...Eaz uses this WARNING symbol throughout the manual to warn of the possibility of physical injury or fatality Please read all warnings carefully before operating the equipment Dri Eaz uses this CAUTION...

Страница 8: ...ng labels are on your HVE LL console These labels point out important WARNINGS and CAUTIONS which must be followed at ALL times Failure to follow these warnings could result in injury or fatality to y...

Страница 9: ...explode if ignited Store gasoline only in approved containers in well ventilated unoccupied buildings and away from sparks or flames 4 DO NOT operate unit if gasoline is spilled Do not turn ignition...

Страница 10: ...e ensure that all switches are in the off position If on a spark could occur at the ground connection terminal which could cause an explosion if hydrogen gas or gasoline vapors are present ALWAYS disc...

Страница 11: ...that you have received proper training and are familiar with the start up and shut down procedures prior to operation 3 DO NOT alter or modify your Dri Eaz HVE LL in any way Use only replacement part...

Страница 12: ...uum Relief Valve 13 in Hg Waste Pump RPM 1305 RPM 3000 Engine RPM Waste Pump GPM 45 GPM 3000 Engine RPM Recovery Tank Capacity at Shut Off 83 gallons Recovery Tank Gross Capacity 93 gallons Console Ta...

Страница 13: ...units or inside a facility When operating on the fuel cell supplied with the unit equipment must be placed outside in an open air environment Do not fill the fuel cell in any enclosed space Remove th...

Страница 14: ...es Remove all jewelry prior to servicing batteries Keep batteries out of the reach of children Before disconnecting the negative ground cable ensure that all switches are in the OFF position If ON a s...

Страница 15: ...If there is damage notify the deliverer immediately 2 Carefully check your equipment The HVE LL system should arrive with the following items as well as any additional optional accessories you may hav...

Страница 16: ...TANDING THE SYSTEMS VACUUM SYSTEM 13 WASTE PUMP SYSTEM 15 OPERATION PREPARATION 16 INSTRUMENT PANEL READINGS AND SETTINGS 19 STARTING THE UNIT 21 AUTOMATIC WASTE PUMP 21 EXTRACTION PROCESS 21 SHUT DOW...

Страница 17: ...tion The air is discharged from the vacuum pump through a spiral silencer which then exits through the exhaust pipe on the front of the unit A high level shut off sensor is located on the front of the...

Страница 18: ...SECTION TWO OPERATION 49 166 Rev D Dri Eaz HVE Large Loss Page 14 VACUUM SYSTEM DIAGRAM...

Страница 19: ...port on the recovery tank through the pump and out the outlet fitting A shut off valve is connected to the pump to prevent leaking when not in use Never run the pump with the valve in the off position...

Страница 20: ...er opening PREPARATION ENSURE THERE IS ADEQUATE FUEL Ensure there is adequate fuel to complete the job USING THE FUEL CELL The Dri Eaz HVE LL is equipped with a fuel cell for open air operation it is...

Страница 21: ...sure the quick disconnects are securely fastened NOTE It will take several minutes for the fuel pump to deliver fuel to the unit Do not fill the fuel cell in any enclosed space Remove the entire unit...

Страница 22: ...nd replace the fuel tank into the cradle on the unit frame Reconnect the fuel hose from the fuel pump to the tank Do not operate machine with covers or guards removed CHECK YOUR DRAIN VALVES Make sure...

Страница 23: ...ACUUM GAUGE With the unit running the vacuum gauge should read near zero with vacuum hoses disconnected from the pre filter box If the gauge shows a reading check the filter in the recovery tank and t...

Страница 24: ...ne from the recovery tank Running the pump dry for any length of time will cause damage to the pump impellers and void your warranty VAC LUBE The vacuum relief valve lubrication port is used to delive...

Страница 25: ...lay flat hose to the pump out connection and the other end to an acceptable waste disposal 2 Turn the pump out switch located on the front console control panel to the ON position The waste pump will...

Страница 26: ...he throttle control knob to run at idle 6 Turn the RUN OFF toggle switch to the OFF position to shut down the engine 7 Make sure the recovery tank is completely drained manually into an approved sourc...

Страница 27: ...SHUT DOWNS When the recovery tank is full the machine will shut down and a red indicator light will illuminate on the instrument panel If this happens make sure the PUMP OUT switch is in the OFF posit...

Страница 28: ...o prevent this from occurring during the cold weather season 1 If possible store the unit in a heated building when not in use 2 To winterize the unit loosen the thumb screws from the front plate of t...

Страница 29: ...EKLY AND MONTHLY MAINTENANCE CHARTS 26 SERVICE CHART SERVICE INTERVAL CHARTS 27 MAINTENANCE ENGINE 29 VACUUM PUMP 30 VACUUM INLET FILTER 31 PRE FILTER BOX AND RECOVERY TANK STRAINER BASKETS 31 VACUUM...

Страница 30: ...loose parts Float Switches Clean and inspect float switches in the recovery tank Visual Inspection Check for leaks in the equipment MONTHLY MAINTENANCE Engine Inspect drive belts for wear Replace as...

Страница 31: ...uel filter 3 Pulleys and Hubs Check pulleys and hubs for proper torque 4 SERVICE INTERVALS EVERY 1000 HOURS Engine Replace spark plugs Engine Replace air filter element Belts Replace all belts Vacuum...

Страница 32: ...it A planned preventative maintenance program will ensure that your HVE LL has optimum performance long operating life and a minimum amount of down time DO NOT attempt to service this unit while it is...

Страница 33: ...allow the piston rings to properly seat It is never recommended to extend oil change intervals past 100 hours Engine Oil Capacity 1 8 L 1 9 US qts Tightening Torque Drain Plug 13 6 N m 1 4 kgf m 10 0...

Страница 34: ...pump at the factory Adding petroleum oil to synthetic oil is NOT recommended Check the oil level daily on both sides to ensure they are at the proper level Too little oil will damage and ruin the bea...

Страница 35: ...on section of the filter Grasping filter by the screen will damage or destroy the filter Applying grease to the threads will allow easier removal of filter when cleaning or replacement is required PRE...

Страница 36: ...terminal 2 Remove the hose from the recovery tank to the vacuum pump 3 Remove hoods 4 Remove top panel 5 Remove left and right hand belt guards 6 Remove the clamp between the blower and the silencer 7...

Страница 37: ...airflow at the vacuum inlet port and read the vacuum gauge If adjustment is required shut the unit down and adjust the locking nut tension on the vacuum relief valve Re start the unit and read the va...

Страница 38: ...e injury severed limbs or fatality This section of the operator s manual describes how to look for and repair malfunctions which may occur Accurate troubleshooting is based on a thorough and complete...

Страница 39: ...replace any broken electrical connections Defective float switch inside recovery tank Check switch for proper operation Replace if necessary Oil pressure switch located on engine fuel shut off soleno...

Страница 40: ...Clean or replace filter Clean strainer basket Loose vacuum pump drive belts Tighten the drive belts Waste tank drain valve is damaged or left open causing a vacuum leak Drain the waste tank Close drai...

Страница 41: ...TS AND ACCESSORIES ILLUSTRATED PARTS LISTING CONSOLE ASSEMBLY 38 RECOVERY TANK 41 FRAME AND ENCLOSURES 42 INSTRUMENT PANEL 43 ENGINE 45 VACUUM PUMP 47 WASTE PUMP ASSEMBLY 49 BELT GUARD BLOWER 50 PRE F...

Страница 42: ...SECTION FOUR PARTS AND ACCESSORIES 49 166 Rev D Dri Eaz HVE Large Loss Page 38 70 300HVE CONSOLE DRI EAZ HVE LL FIG 1 OF 2...

Страница 43: ...SECTION FOUR PARTS AND ACCESSORIES 49 166 Rev D Dri Eaz HVE Large Loss Page 39 70 300HVE CONSOLE DRI EAZ HVE LL FIG 2 OF 2...

Страница 44: ...SECTION FOUR PARTS AND ACCESSORIES 49 166 Rev D Dri Eaz HVE Large Loss Page 40 70 300HVE CONSOLE DRI EAZ HVE LL BOM TABLE...

Страница 45: ...SECTION FOUR PARTS AND ACCESSORIES 49 166 Rev D Dri Eaz HVE Large Loss Page 41 69 798 ASSEMBLY RECOVERY TANK...

Страница 46: ...SECTION FOUR PARTS AND ACCESSORIES 49 166 Rev D Dri Eaz HVE Large Loss Page 42 69 646 ASSEMBLY FRAME AND ENCLOSURES...

Страница 47: ...SECTION FOUR PARTS AND ACCESSORIES 49 166 Rev D Dri Eaz HVE Large Loss Page 43 69 796 ASSEMBLY INSTRUMENT PANEL...

Страница 48: ...SECTION FOUR PARTS AND ACCESSORIES 49 166 Rev D Dri Eaz HVE Large Loss Page 44 69 796 ASSEMBLY INSTRUMENT PANEL BOM TABLE...

Страница 49: ...SECTION FOUR PARTS AND ACCESSORIES 49 166 Rev D Dri Eaz HVE Large Loss Page 45 69 797 ASSEMBLY ENGINE...

Страница 50: ...SECTION FOUR PARTS AND ACCESSORIES 49 166 Rev D Dri Eaz HVE Large Loss Page 46 69 797 ASSEMBLY ENGINE BOM TABLE...

Страница 51: ...SECTION FOUR PARTS AND ACCESSORIES 49 166 Rev D Dri Eaz HVE Large Loss Page 47 69 804 ASSEMBLY VACUUM PUMP...

Страница 52: ...SECTION FOUR PARTS AND ACCESSORIES 49 166 Rev D Dri Eaz HVE Large Loss Page 48 69 804 ASSEMBLY VACUUM PUMP BOM TABLE...

Страница 53: ...SECTION FOUR PARTS AND ACCESSORIES 49 166 Rev D Dri Eaz HVE Large Loss Page 49 69 801 ASSEMBLY WASTE PUMP OUT...

Страница 54: ...SECTION FOUR PARTS AND ACCESSORIES 49 166 Rev D Dri Eaz HVE Large Loss Page 50 69 184 ASSEMBLY BELT GUARD BLOWER...

Страница 55: ...SECTION FOUR PARTS AND ACCESSORIES 49 166 Rev D Dri Eaz HVE Large Loss Page 51 69 714 026 ASSEMBLY PREFILTER BOX...

Страница 56: ...SECTION FOUR PARTS AND ACCESSORIES 49 166 Rev D Dri Eaz HVE Large Loss Page 52 68 408 KIT EXTENDED FUEL LINE...

Страница 57: ...SECTION FOUR PARTS AND ACCESSORIES 49 166 Rev D Dri Eaz HVE Large Loss Page 53 KIT COMPONENTS...

Страница 58: ...SECTION FOUR PARTS AND ACCESSORIES 49 166 Rev D Dri Eaz HVE Large Loss Page 54 KIT COMPONENTS BOM TABLE...

Страница 59: ...RIES 49 166 Rev D Dri Eaz HVE Large Loss Page 55 DECALS 44 066 WARNING ELECTRICAL SHOCK 44 067 WARNING READ MANUAL 44 085 WARNING ROTATING MACHINERY 44 082 DANGER ROTATING MACHINERY 44 084 CAUTION HOT...

Страница 60: ...SECTION FOUR PARTS AND ACCESSORIES 49 166 Rev D Dri Eaz HVE Large Loss Page 56 ELECTRICAL DIAGRAM...

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