TMG TMG-HW28 Product Manual Download

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Hot Water Pressure Washer

2700PSI Hot Water Pressure Washer

MODEL: TMG-HW28

PRODUCT MANUAL

7HP KOHLER

Powered

Please read the product manual completely before assembly

Check against the parts list to make sure all parts are received

Wear proper safety goggles or other protective gears while in assembly

Missing parts or questions on assembly?

Please call: 1-877-761-2819 or email: [email protected]

Do not return the product to dealer, they are not equipped to handle your requests

WWW.TMGINDUSTRIAL.COM

Toll Free:1-877-761-2819

V2021.09.23

Summary of Contents for TMG-HW28

Page 1: ...ck against the parts list to make sure all parts are received Wear proper safety goggles or other protective gears while in assembly Missing parts or questions on assembly Please call 1 877 761 2819 o...

Page 2: ...MPONENT IDENTIFICATION 9 OPERATING INSTRUCTIONS 12 CHEMICAL APPLICATION 15 WINTER PUMP COIL PROTECTION 16 GENERAL MAINTENANCE 16 MAINTENANCE CHECKLIST 18 QUICK DIAGNOSTICS AND SOLUTIONS GUIDE 20 SERVI...

Page 3: ...as explained in this manual and all other enclosed manuals This manual contains essential information regarding the safety hazards operations and maintenance associated with this machine The manual sh...

Page 4: ...ing machine 3 Never use gasoline crankcase draining or waste oil in your burner fuel tank Never run pump dry or let the pump run with the trigger gun released for more than 2 minutes The minimum clear...

Page 5: ...a good balance and make sure to keep a steady footing at all times 10 It is important to keep your machine from freezing in order to keep it in its best working condition Failure to protect your machi...

Page 6: ...me of the maintenance procedures involved in this machine require a certified technician these steps are indicated throughout this manual Do not attempt to perform these repairs if you are not qualifi...

Page 7: ...cing our equipment from our company s inception is condensed in this manual They know what information the end user needs in order to get the optimum performance from their pressure washer Please read...

Page 8: ...AE 15W 40 Non Detergent in the pump see diagram OIL GASOLINE ENGINE Gasoline Engines need appropriate lubricant Use SAE10W 30 detergent oil BURNER The burner heats the water in hot water pressure wash...

Page 9: ...Skin 7HP Kohler Gas Engine Water Outlet Water Inlet Water Pump Chemical Injector Adjust Pressure Switch Alternator COMPONENT IDENTIFICATION Direct Driven Pump Assembly WWW TMGINDUSTRIAL COM P09 41 To...

Page 10: ...center is designed with memory function Only the RESET button is activated after troubleshooting the machine can start to work properly 3 THERMOSTAT Temperature control switch Indicator Light 1 BURNER...

Page 11: ...r Downstream Chemical Application Wand Nozzles High Pressure Hose Coil Inner Steel Layer Hot Water Tank Interior Top Cover Removed Pressure Wand Assembly Ceramic Casing Coil Skin outer stainless steel...

Page 12: ...vel USE ONLY SAE 15 W 40 NON DETERGENT OIL DO NOT OVER FILL Gas Engine Gasoline level The engine is a 4 cycle and uses regular octane unleaded fuel DO NOT USE MIXED FUEL Refer to the engine operation...

Page 13: ...e water source must be attached with a good quality standard garden type hose 5 8 ID minimum is required Connect quick connector of the hose into pump inlet fitting Make sure that the inlet screen fil...

Page 14: ...ED ELECTRICIAN AND BE COMPLETED IN ACCORDANCE TO ALL APPLICABLE CODES IN YOUR AREA OF OPERATION The power supply must be adequate for your specific unit Make sure to verify the data plate for your mac...

Page 15: ...ing while not in use CHEMICAL APPLICATION Downstream Chemical Injection Standard Direct Drive Units High Pressure Soap Optional Feature NOTE Do not remove back flow preventer as chemical may flow back...

Page 16: ...short piece of male fitted garden type hose on to the female inlet on the pump 2 Place the open end of the hose into a wide mouthed container of full strength winter rated vehicle windshield washing f...

Page 17: ...ge from freezing is not a warrantable item Water Condition Use a softener on your water system if local water is known to be high in mineral content The advantages of soft water are very beneficial pr...

Page 18: ...y Recommendation for Oil Changes and Component Replacement 1 Change the oil in the pump after the first 50 hours and every 500 hours after the initial oil change Use 15W 40 Non Detergent for GP Pumps...

Page 19: ...Flame detector is a very key part in ignition system it determines whether ignition is successful or not When the machine starts stops or fails to ignite constantly black smoke or bituminous coal may...

Page 20: ...ce it If valves in pump are clogged clean valves If valves in pump are damaged or pitted replace valves Wrong nozzle size Make sure you have the right nozzle size The black nozzle will drop pressure i...

Page 21: ...ump If burner comes on replace pressure switch If burner does not come on make sure there is current going through switch consult a professional for this if you do not know how to do this properly as...

Page 22: ...t Solenoid valve not energizing No fuel to bleed valve check the fuel line Fuel nozzle is blocked Flame detector problem Flame detector damage Flame detector is covered with bituminous coal PROBLEM PO...

Page 23: ...use Spark Plug stronggas smell Flooded Wait 5 minutes before attempting to restart No ignition Check ignition by removing spark plug from cylinder If electric start try starting using the recoil start...

Page 24: ...y Pump packings bad If low pressure persists pump packings may need replaced Low pressure low flow Volume Improperly adjusted If unit has volume adjustment it may need readjustment Discharge leaks Loo...

Page 25: ...at valve stuck optional If float valve is stuck in the up position water can not enter the float tank Unstick valve if possible of replace if necessary Turbulence in float tank optional Excessive turb...

Page 26: ...ivering the rated pressure See low pressure or low flow diagnostics High water supply pressure Check inlet water supply for excessive pressure Unloader flow cycles with system in bypass No restriction...

Page 27: ...just using the pressure gauge Nozzle too large Ensure the proper sized nozzle is being used Unloader pressure leaks from main spring or adjusting bolt Shaft O ring in valve body warn Check O rings for...

Page 28: ...n has been installed check the gun valve seat to ensure it is functioning properly Damage gun valve ball or seat Inspect trigger gun valve assembly for damage or ware to ball or seat Lodged debris can...

Page 29: ...fittings connections and ensure the inlet line is fully submerged into the chemicaljug Chemical dried up in the injector Inspect and clean as necessary Chemical foot strainer clogged May be a strainer...

Page 30: ...tely Water in the fuel filter bowl Water in fuel supply Drain water from the tank promptly to prevent rusting If fuel delivery problems persist check the fuel pump for rust Debris in the fuel filter b...

Page 31: ...t meter Ignition transformer bad Using a volt meter ensure that the transformer is supplying the proper voltage Electrode gap improperly set Check the gap and readjust if necessary taking care that th...

Page 32: ...hen proper voltage is applied check boiler controls Solenoid coil energizes Problem occurring elsewhere If solenoid valve coil energizes when the cleaner is operating in hot water the problem is elsew...

Page 33: ...bad Replace Thermostat Boiler will not fire when thermostat jumped Problem elsewhere insystem Continue with boiler control diagnostics If boiler still does not fire the thermostat may need replaced B...

Page 34: ...WIRING DIAGRAMS WWW TMGINDUSTRIAL COM P34 41 Toll Free 1 877 761 2819...

Page 35: ...PARTS DIAGRAMS WWW TMGINDUSTRIAL COM P35 41 Toll Free 1 877 761 2819...

Page 36: ...WWW TMGINDUSTRIAL COM P36 41 Toll Free 1 877 761 2819...

Page 37: ...ater coil 1 66 Washer M10 1 22 Heater inside cover 1 67 Spring washer 1 23 Heater outside cover 1 68 Nut M10 1 28 Washer M6 6 69 Gasoline engine 1 29 Spring washer 6 70 Screw M8 35 2 30 Screw M6 20 6...

Page 38: ...switch 1 89 Spring washer 2 96 Diesel filter cup 1 90 Nut M8 2 97 Solenoid valve 1 91 Shock absorber 2 98 Pressure hose 50cm 1 92 Holder 1 99 Pressure hose 70cm 1 93 Fan wheel 1 100 Pressure hose 10m...

Page 39: ...PUMP DIAGRAMS WWW TMGINDUSTRIAL COM P39 41 Toll Free 1 877 761 2819...

Page 40: ...1 A57 Ball injector fitting 1 A20 O ring oil sight glass 1 A58 Spring injector fitting 1 A21 Crankshaft cover 1 A59 Water outlet banjo bolt 1 A22 Bolt crankshaft cover 4 A60 O ring outlet banjo bolt 1...

Page 41: ...n Qty B1 HOT WATER button 1 B6 Temperature control switch 1 B2 RESET button 1 B7 CPU 1 B3 BURNER ON light 1 B8 Ignition transformer 1 B4 FUEL light 1 B9 Fuse 1 B5 IGNITION light 1 ELECTRIC CONTROL CEN...

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