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14- ENG 

2.  Place other end of detergent siphon hose with filter on it into container holding 

chemical/cleaning  solution. 

NOTE:

  For  every  7  gallons  of  water  pumped  1 

gallon of chemical/cleaning solution will be used.

3.  Install low pressure (black) nozzle into quick connect fitting of spray wand, see 

how To use Spray wand

 paragraph in this section.

4.  After use of chemicals, place detergent siphon hose into container of clean 

water and draw clean water through chemical injection system to rinse system 

thoroughly.  If  chemicals  remain  in  the  pump  it  could  be  damaged.  Pumps 

damaged due to chemicals will not be covered under warranty.

NOTE: 

Chemicals and soaps will not siphon if the black soap nozzle is not installed 

on the spray wand.

STARTING (FIG. 8–10)

 WARNING: To reduce the risk of injury, read the pressure washer instruction 

manual and the engine instruction manual before starting pressure washer.

  DANGER:  Risk  of  fluid  injection  and  laceration.  When  using  the  high-

pressure setting, DO NOT allow the high-pressure spray to come in contact 

with unprotected skin, eyes, or with any pets or animals. serious injury will 

occur.

•  Your washer operates at fluid pressures and velocities high enough to penetrate 

human and animal flesh, which could result in amputation or other serious injury. 

Leaks caused by loose fittings or worn or damaged hoses can result in injection 

injuries. DO NOT TREAT FLUID INJECTION AS A SIMPLE CUT! See a physician 

immediately!

 WARNING: Risk of fire,  Asphyxiation and burn. Never fill fuel tank when 

engine is running or hot. Do not smoke when filling fuel tank.

•  Never  fill  fuel  tank  completely.  Fill  tank  to  1/2"  )12.7  mm)  below  bottom  of  filler 

neck to provide space for fuel expansion. Wipe any fuel spillage from engine and 

equipment before starting engine.

•  Never run engine in doors or in en closed, poorly ven ti lat ed areas. En gine exhaust 

con tains carbon mon ox ide, an odorless and deadly gas.

•  DO  NOT  let  hoses  come  in  contact  with  very  hot  engine  muffler  during  or 

immediately after use of your pressure washer. Damage to hoses from contact with 

hot engine surfaces will NOT be covered by warranty.

NOTIcE: 

Risk of property damage. Never pull water supply hose to move pres sure 

washer. This could damage hose and/or pump inlet.

•  DO NOT use hot water, use cold water only.
•  Never turn water supply off while pressure washer engine is running or damage to 

pump will result.

•  DO NOT stop spraying water for more than two minutes at a time. Pump operates 

in bypass mode when spray gun trigger is not pressed. If pump is left in bypass 

mode  for  more  than  two  minutes  internal  components  of  the  pump  can  be 

damaged.

If you do not understand these precautions, please contact our customer service 

department at www.simpsoncleaning.com!

Prior to starting, refer to your engine manual for proper starting procedure.

1.  In  a  well  ventilated  outdoor  area  add  fresh,  high  quality,  unleaded  gasoline 

with  a  pump  octane  rating  of  86  or  higher.  Do  not  overfill.  Wipe  up  spilled 

fuel before starting the engine. Refer to 

Engine Owners manual

 for correct 

procedure.

Summary of Contents for MSH3125

Page 1: ...OMPRO Contáctese con nuestro Departamento de Servicio al Cliente llamando al www simpsoncleaning com Save this manual for Future reference 3100 PSI 2 5 GPM IMPORTANT Please make certain that the person who is to use this equipment carefully reads and understands these instructions before operating IMPORTANTE Aségurese por favor de que la persona que vaya a utilizar este equipo lea con cuidado y co...

Page 2: ... realice el ensamblado para no pellizcarse 1 G H Place the nozzle holder L onto the panel located on the handle assembly and push each nozzle holder into place Remove colored quick connect nozzles K from plastic bag and insert them into correct grommet on the nozzle holder NOTE Nozzles are color coded to match colored nozzles on panel Coloque el portaboquillas L en el panel ubicado en el mango y p...

Page 3: ...ADO EL ACCIONADOR HASTA qUE EL CAUDAL DE AGUA SE VUELVA CONSTANTE SUELTE EL ACCIONADOR 8 Start engine See Engine Owners Manual for correct procedure Ponga el motor en marcha refiérase al manual del motor para informarse del procedimiento correcto 9 NOTICE The engine is shipped without oil Before starting engine add the oil provided Damage to the engine will occur if the engine is ran without oil t...

Page 4: ...st WARNING This product and its exhaust contain chemicals known to the State of California to cause cancer and birth defects and other reproductive harm NEVER use an engine inside homes garages crawlspaces or other partly enclosed areas Deadly levels of carbon monoxide can build up in these areas Using a fan or opening windows and doors does NOT supply enough fresh air ONLY use outdoors and far aw...

Page 5: ... adding fuel to the tank Use care in fill ing tank to avoid spill ing fuel Move pressure wash er away from fueling area before start ing en gine Heat will ex pand fuel in the tank which could result in spillage and pos si ble fire explosion Keep maximum fuel level 1 2 12 7 mm be low bottom of filler neck to allow for expansion Operating the pressure washer in an ex plo sive en viron ment could re ...

Page 6: ...pect the high pressure hose regularly Replace the hose immediately if it is damaged worn has melted from contacting the engine or shows any signs of cracks bubbles pinholes or other leakage Never grasp a high pressure hose that is leaking or damaged Never touch grasp or attempt to cover a pinhole or similar water leak on the high pressure hose The stream of water IS under high pressure and WILL pe...

Page 7: ...e the product when fatigued or under the influence of alcohol or drugs Stay alert at all times Never defeat the safety fea tures of this prod uct Do not op er ate machine with missing broken or un au tho rized parts Never leave wand unattended while unit is running If proper starting procedure is not followed engine can kickback causing serious hand and arm injury If engine does not start after tw...

Page 8: ... of tires could result in serious injury and property damage Use a tire pressure gauge to check the tires pressure before each use and while inflating tires see the tire sidewall for the correct tire pressure NOTE Air tanks compressors and similar equipment used to inflate tires can fill small tires similar to these very rapidly Adjust pressure regulator on air supply to no more than the rating of...

Page 9: ...kin from con tact with sprayed materials WARNING RISK OF elec tri cal Shock What can happen How to prevent it Spray di rect ed at elec tri cal outlets or switch es or ob jects con nect ed to an elec tri cal circuit could re sult in a fatal electrical shock Unplug any elec tri cal ly op er at ed product before attempting to clean it Direct spray away from electric out lets and switches WARNING RISK...

Page 10: ... the water supply B Engine Drives the high pressure pump Refer to the engine manual for location and operation of engine controls C High Pressure Hose Carries the pressurized water from the pump to the gun and spray wand D Spray Gun Connects with spray wand to control water flow rate direction and pressure E Quick Connect Spray Wand Allows the user to quickly change out high pressure nozzles See H...

Page 11: ...injury Avoid placing hands between handle and frame when assembling to prevent pinching 4 Place the nozzle holder L onto the panel located on the handle assembly and push each nozzle holder into place 5 Remove colored quick connect nozzles K from plastic bag and insert them into correct grommet on the nozzle holder NOTE Nozzles are color coded to match colored nozzles on panel L K L G H 2 2A 6 Con...

Page 12: ...irements for a water supply are 20 psi and 5 Gallons Per Minute If your water source is a well the garden hose length can only be 30 ft 9 m max WARNING To reduce the possibility of contamination always protect against backflow when connected to a potable water system Pressure Washer Operating Features PRESSURE ADJUSTMENTS The pressure setting is preset at the factory to achieve op ti mum pres sure...

Page 13: ... and eaves concrete brick surfaces White 40 cleaning of painted or delicate surfaces auto RV marine wood painted brick and stucco vinyl painted siding Black low pressure applies cleaning solutions low pressure spray is safe on all surfaces Always verify compatibility of cleaning solution prior to use NOTICE The high pressure spray from your pressure washer is capable of caus ing damage to surfaces...

Page 14: ...ysician immediately WARNING Risk of Fire Asphyxiation and Burn Never fill fuel tank when engine is running or hot Do not smoke when filling fuel tank Never fill fuel tank completely Fill tank to 1 2 12 7 mm below bottom of filler neck to provide space for fuel expansion Wipe any fuel spillage from engine and equipment before starting engine Never run engine in doors or in en closed poorly ven ti l...

Page 15: ...ause damage to the pump 9 Remove all air from the pump and high pressure hose by depressing trigger until a steady stream of water is present 10 Start engine See Engine Owners Manual for correct procedure WARNING Risk of unsafe operation If engine does not start after two pulls squeeze trigger of gun to relieve pump pressure Pull starter cord slowly until resistance is felt Then pull cord rapidly ...

Page 16: ...ine drain plug is located at the rear of the unit PUMP The pump was filled with oil at the factory The pump on this unit is maintenance free and requires no oil If there is a problem with the pump contact us at www simpsoncleaning com Connections Connections on pressure washer hoses gun and spray wand should be cleaned regularly and lubricated with light oil or lithium grease to prevent leakage an...

Page 17: ...utlined in the steps below NOTE Using a pump protector winterizer or RV antifreeze is to provide proper lubrication to the internal seals of the pump regardless of temperature or environment 1 Obtain a funnel 6 ounces 170 mL of RV 12 Antifreeze and a 16 to 36 40 91 cm section of garden hose with a male hose connector attached to one end NOTICE Risk of Property Damage Use only RV Antifreeze Any oth...

Page 18: ...rtment at www simpsoncleaning com LIMITED WARRANTY 90 DAY LIMITED WARRANTY ON PRODUCT COMPONENTS EXCLUDING PUMP SIMPSON warrants to the original purchaser that the wheels gun hose wand spray nozzle s and other components of the SIMPSON pressure washer covered under this warranty are free from defects in material and workmanship for 90 days from the date of purchase ONE YEAR LIMITED WARRANTY ON PUM...

Page 19: ... use of accessories or attachments not recommended by SIMPSON or unauthorized repair or alterations Repair and transportation costs of merchandise determined not to be defective Costs associated with assembly required oil adjustments or other installation and start up costs Expendable parts or accessories supplied with the product which are expected to become inoperative or unusable after a reason...

Page 20: ...ray wand not in high pressure See How to Use Spray Wand instructions in the Operation Section Low water supply Water supply must be at least 5 gpm 20 psi Leak at high pressure hose fitting Repair leak Apply sealant tape if necessary Nozzle obstructed See Nozzle Cleaning instructions in the Maintenance section Water filter screen clogged Remove and clean filter Air in hose Turn off the engine then ...

Page 21: ...or packing Please contact our customer service department at www simpsoncleaning com Worn or obstructed valves Please contact our customer service department at www simpsoncleaning com Worn unloader piston Please contact our customer service department at www simpsoncleaning com Water leaking at gun spray wand connection Worn or broken o ring Check and replace Loose hose connection Tighten Water l...

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