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North Star 157551, Owner'S Manual

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North Star 157551 Owner'S Manual Download Page 8

8

Machine Component Identification

4

5

1

3

2

6

Pump Features

Benefits

•Triplex ceramic plungers

•Long life, no corrosion

•Triplex design

•Less vib ration

•Industrial crankshaft

•Dependable, proven design

•Thermal protector

•Protects pump from hot water

•Safety relief valve

•Prevents pump from
overpressurizing

00089

1.

Unloader Valve

2.

Therm al Protector

3.

Safety Relief Valve

4.

Inlet

5.

Outlet

6.

Dipstick

Summary of Contents for 157551

Page 1: ...nual Proven Performance Read and understand this manual before operating this machine Engine is shipped without oil Use SAE 30 motor oil Pump is shipped with oil Remove the shipping plug from the pump...

Page 2: ...r machine s life and prepare you for its safe operation Enjoy the exceptional performance of your North Star pressure washer the industry leader Important If this machine is used by anyone who is not...

Page 3: ...tification 6 8 Assembling the Machine 9 Before Using the Machine the First Time 10 Setting up the Machine 11 Start Up Instructions 12 15 Shut Down Instructions 16 Operating the Machine 17 19 Routine M...

Page 4: ...cals such as weed killer or insecticide NEVER allow children to operate or play on or around the machine ALWAYS wear safety glasses and appropriate clothing when operating the machine NEVER operate th...

Page 5: ...hat become damaged or lost NEVER route hoses in a manner that will cause sharp bending kinking cutting abrasion or other damage from vehicles or falling objects NEVER use a hose if exterior damage is...

Page 6: ...Pump Type Triplex Ceramic Plunger Water Supply Standard tap water 20 100psi Engine Horsepower 5 Fuel Capacity quarts 3 Discharge Hose 3 8 x 30 Dimensions Length 28 Width 19 5 Height 24 Approximate Wei...

Page 7: ...e 5 Fuel Tank Fill 6 Recoil 7 Oil Fill 8 Oil Drain 9 Air Filter 10 Muffler Caution Hot 8 7 7 1 4 3 5 2 8 7 9 10 6 00079 00080 Engine Features Benefits Overhead Valves OHV More fuel efficient More powe...

Page 8: ...Long life no corrosion Triplex design Less vibration Industrial crankshaft Dependable proven design Thermal protector Protects pump from hot water Safety relief valve Prevents pump from overpressurizi...

Page 9: ...follow ing tools to fasten the pump engine to the cart 1 1 2 socket w ith ratchet 2 1 2 open end w rench The cart comes w ith 4 5 16 x 1 1 2 bolts 4 5 16 nuts 8 5 16 flat w ashers and 4 5 16 lockw as...

Page 10: ...eck Remove pump shipping plugs 1 Remove the red plugs from the water inlet and the oil vent hole and discard them 2 Check oil level in the pump Make sure it is half way up the sight glass 3 Insert the...

Page 11: ...reduce performance 2 An insufficient water supply will damage your pump Make sure the water supply is steady and is more than 3 gpm If you can fill a 1 gallon bucket in less than 20 seconds you have...

Page 12: ...nto the machine s water inlet the nipple may already be spun into your water inlet C Pull back the sleeve on the socket D Snap the socket onto the nipple Make sure to follow the pre operation checklis...

Page 13: ...e use 22MM thread on quick couplers for a number of reasons 1 It is an industry standard so they will work with many other machines 2 They handle side torque better resulting in fewer leaks 3 The o ri...

Page 14: ...middle Quick accessory changes Ships in smaller box Less shipping damage Vented grip More Comfortable trigger safety latch NEVER point the nozzle or lance at people or animals The high pressure the ma...

Page 15: ...asher This step is very important it will prolong the pump s life NEVER run the pump dry You can change between high and low pressure by pushing or pulling the adjustable nozzle Pull the nozzle back f...

Page 16: ...the system pressure IV Remove the water supply garden hose from the pump inlet V Remove the high pressure hose from the pump outlet NEVER disconnect the high pressure hose from the pump or spray gun...

Page 17: ...r your application b Hold the nozzle 6 to 12 from the cleaning surface c Use long slow deliberate strokes from side to side similar to using a paint sprayer This technique will provide the most effect...

Page 18: ...r The chemical injector will draw the chemical into the water stream e Turn the chemical adjustment knob to increase or decrease the chemical concentration f Apply chemicals evenly to the cleaning sur...

Page 19: ...s level VI Thermal Protector The thermal protector or pump saver valve protects your pump from overheated water When the spray gun trigger is released the pump DOES NOT stop pumping Water is recircula...

Page 20: ...4 Remove the oil fill cap and fill with oil 5 Use SAE 30 high detergent motor oil for general all temperature use For extremely hot climates refer to the engine manual 6 Replace the oil fill cap II P...

Page 21: ...place the vented dipstick IV Cleaning and Changing the Nozzle Orifice The nozzle orifice has a small hardened stainless steel body It is located inside the adjustable nozzle between the two thin metal...

Page 22: ...4 Point the water outlet away from people or animals Run the pressure washer until antifreeze discharges from the pump outlet Immediately turn the engine OFF The pressure washer is ready for storage 5...

Page 23: ...or punctured NO CHEMICAL INJECTION Causes Solutions Operating at high pressure Push nozzle forward for low pressure Back presure from extra long hose Don t use additional hose Use larger chemical nozz...

Page 24: ...ent oil One quart resealable plastic container Item 4043 Ship Wt 3 lbs Low psi Garden Hose Quick Coupler Set includes nipple and mating ball coupler Nipple screws into inlet on pump Brass coupler scre...

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