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Table of Contents 

Important Safety Instructions 

Maintenance Instructions 

10-11 

Machine Component Identification 

Moving and Handling Instructions  

12 

Installation Instructions 

4-6 

Long Term Storage 

12 

Operation Instructions 

7-9 

Troubleshooting 

13 

Safety Features 

Parts Explosions 

14-15 

 

 

Limited Warranty 

17 

 

Important Safety Instructions 

 

WARNING 

-Risk  of  Injection  or  Injury  to  Persons  -  Do  Not  Direct  Discharge  Stream  at Persons.  -  Do  not 
use a hose if exterior damage is evident. 

 

-Risk  of  explosion.  -  Do  not  spray  flammable  liquids.  -  Do  not  operate  in  a  flammable 
environment. 

CAUTION

  

-Risk of Asphyxiation - Exhaust fumes are deadly.  For outdoor use only. Avoid inhaling exhaust 
fumes. 

 

-Risk of fire.  Do not add fuel when the product is operating or hot. 

 

-Gun kicks back.  Hold with both hands. 

 

-To reduce the risk of injury, read operating instructions carefully before use. 

 

WARNING

 - When using this product basic precautions should always be followed, including the following: 

1.)  Read all the instructions before using the product. 
2.)  To reduce the risk of injury, close supervision is necessary when the product is used near children. Do 

not  allow  irresponsible  use  by  children.  Always  stop  the  product  and  bleed  pressures  before  leaving 
unattended, disconnecting hoses, or servicing the pump. 

3.)  Know how to stop the product and bleed pressures quickly.  Be thoroughly familiar with the controls. 
4.)  Stay alert - watch what you are doing. 
5.)  Do  not  operate  the  product  when  fatigued  or  under  the  influence  of  alcohol  or  drugs.    Never  smoke 

while operating or fueling this machine. 

6.)  Keep operating area clear of all persons.   
7.)  Do  not  overreach  or  stand  on  unstable  support.    Keep  good  footing  and  balance  at  all  times.  Wear 

footwear  capable  of  maintaining  a  good  grip  on  wet  surfaces  -  Do  not  place  the  machine  on  soft  or 
unstable ground. 

8.)  Follow  the  maintenance  instructions  specified  in  all  manuals.    Do  not  run  machine  without  sufficient 

lubrication or sufficient water to cool the pump. 

9.)  Wear safety glasses, gloves, face protection and appropriate clothing when operating the machine. 
10.) Do  not  operate  this  machine  with  broken  or  missing  parts.  - 

Never  alter  the  manufacturer’s  original 

design or deactivate any safety device on the machine. 

11.) Risk  of  exposure  to  dangerous  chemicals.    Wear  protective  gloves  when  handling  and  cleaning  with 

chemicals.  Follow the chemical manufacturer’s directions. Understand all safety hazards and first aid 
for  all  chemicals  being  used.  Check  whether  dangerous  chemicals  have  been  used  and  take  any 
precautions  that  may  have  been  recommended  by  the  supplier  of  these  chemicals  when  cleaning 
filters.  Do not pump highly abrasive fluids or use with incompatible chemicals or solvents. 

12.) Know  the  pressure  and  temperature  limits  of  your  machine.    Be  sure  all  high  pressure  accessories 

meet 

or exceed your machine’s limits. Do not set the pressure relief valve above the machine’s limit. 

13.) Do  not  move  this  machine  by  pulling  on  the  hose.  Do  not  use  the  pump  to  support  other  items  of 

equipment that impose unacceptable loads on the pump. Do not attempt to use this machine as a prop. 

14.)To reduce risk of injury, do not secure the spray gun open. Your spray gun is equipped with a built-in 

trigger safety latch to guard against accidental trigger release and potentially dangerous high pressure 
spray.  Rotate the safety latch to the locked position when not spraying. 

15.) Do not clean this machine with its own spray.  Cleaning should be done with a damp sponge with the 

engine OFF. 

 

  

SAVE THESE INSTRUCTIONS 

 

 
 

Summary of Contents for M157206S

Page 1: ...ting Use SAE 10W 30 motor oil Pump Oil Pump is shipped with oil Remove the red shipping plug and install vented dipstick Use SAE 30 Non Detergent oil item 4043 for oil changes Water Make sure your wat...

Page 2: ...good footing and balance at all times Wear footwear capable of maintaining a good grip on wet surfaces Do not place the machine on soft or unstable ground 8 Follow the maintenance instructions specifi...

Page 3: ...Shutoff Valve 4 Battery Box T M 2 Attach pressure hose 4 Turn water supply ON 3 Attach gun and lance COMME RCIAL purge air from pump 5 Squeeze trigger to 7 Start engine 6 Insert nozzle POWER ED BY St...

Page 4: ...s I Unpack Separate and identify the components Use the assembly instructions in this manual for assembly FIG02225 MAIN UNIT HOSE SPRAY GUN LANCE NOZZLE HOLDER FUEL TANK CAP MAY ALREADY BE INSTALLED W...

Page 5: ...5 Hardware Bag...

Page 6: ...1 4L 157205 AR RKA 45G40 SAE 30 15 0oz 44L 157207 General T9281 SAE 30 40 60oz 1 2L SAE Non Detergent Item 4043 V Battery Warning Sulfuric acid is a corrosive poison Avoid contact with skin eyes or c...

Page 7: ...is 20 over the rated flow of your pump Use a stopwatch to time how long it takes to fill a 5 gallon bucket with your garden hose Example If the rated flow is 3gpm Then required flow 3 x 1 20 3 6gpm 5g...

Page 8: ...ulated for pressure washers Follow the chemical manufacturer s recommendations Understand all safety precautions and first aid for all chemicals NOTE Your pressure washer is equipped with a low pressu...

Page 9: ...ght parts should be clamped down G The pressure washer is set and locked to the maximum rated pressure when it leaves the factory An easy way to reduce the water pressure is to reduce the engine speed...

Page 10: ...olts Cleaning The Inlet Filter WARNING Check whether dangerous chemicals have been used and take precautions when handling filters 157205 157207 A Unscrew inlet filter cap B Remove Inlet filter mesh C...

Page 11: ...elts 1 Loosen pump mount bolts 4 places 2 Tighten tension bolt 3 Re tighten pump mount bolts Pump Bolts 4x Tension Bolt Changing The Pump Oil 157207 Change oil after first 40 hours then every 3 months...

Page 12: ...tabilizer run pressure washer with high pressure hose for five minutes 3 Shut down pressure washer by turning engine start switch OFF 4 Disconnect high pressure and garden hose 5 Remove spark plug tur...

Page 13: ...ed or pinched hose Plugged inlet screen Pull out and clean screen carefully Need to use high pressure nozzle Change to the green nozzle Plugged nozzle Remove nozzle check for blockage Worn nozzle Repl...

Page 14: ...5 Gallon 1 All 53 Next pg Pump 1 All 11 33321 Fuel Tank Cap 1 All 54 777414 Tension Plate 1 157207 14 777420 Gun Handle 5000 psi 1 157207 56 25455 Nozzle 5 pack 4 5 1 All 15 780396 Instruction Decal 1...

Page 15: ...0 hose clamp 2 157207 6 35918 Thermal protector 1 4 1 157207 19 777340 1 4 MNPT X 1 4 HB 1 157207 8 777915 3 8 MNPT QC nipple 1 157205 20 777639 Street tee 1 157207 777395 3 8 FNPT QC nipple SS 157207...

Page 16: ...16 This page has intentionally been left blank...

Page 17: ...h as engines are guaranteed by their manufacturer and can be serviced at factory authorized locations near you Any costs incurred due to replacement or repair of items outside of a NorthStar approved...

Page 18: ...18 Manufactured by Northern Tool Equipment Co 2800 SouthCross Drive West P O Box 1499 Burnsville MN 55337 0499...

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