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20 

 

Start-Up Procedures 

Start the Engine to Power the Pump.   

 

1.

 

Make sure water supply is connected and primed.  

CAUTION: Warranty Void 

Running the pump dry will cause damage and void 

the warranty. 

 

2.

 

To prevent accidental spraying, engage the safety 
latch on spray gun trigger by rotating it to the 
locked position. 

3.

 

Follow the instructions in the Engine Manual for 
starting the engine. 

- If the engine doesn't start on the first try, 
pressure may build up in the pump.  Relieve 

pressure by squeezing the spray gun trigger 
before attempting to start engine again.  This 
will make starting easier. 

       

DANGER: Engine Exhaust 

Do not inhale engine exhaust.  It contains 
dangerous carbon monoxide that can kill you. 

 

Apply Cleaning Chemical (If Desired)  

1.

 

Make sure the chemical injector is properly set up 
according to the instructions. Reference “Set Up for 
Chemical Spray” on the previous page.  

2.

 

Make sure the low pressure BLACK nozzle is 

attached before beginning to spray chemicals -- 

Only the low pressure black nozzle will allow 
chemicals to be drawn through the chemical injector 
into the water stream. 

3.

 

Apply chemicals by squeezing the spray gun trigger.  
The chemical injector will draw the chemical into the 
water stream. 

4.

 

Apply chemicals evenly to the cleaning surface. 

Never use more chemical than is necessary to clean 
the surface. 

5.

 

Allow the chemicals time to react with the dirt before 
rinsing. 

6.

 

Prepare to rinse by changing to a high-pressure 
nozzle. Changing the nozzle from the low-pressure 
black nozzle to a high-pressure nozzle will stop the 
flow of chemicals into the water stream. 

 

Instructions for selecting a nozzle can be 
referenced in the “Connect Hoses, Water Supply, 
and Spray Nozzle” section, see the subsection 
“Select Nozzle for Spray Gun”.   

7.

 

Rinse with high-pressure spray as instructed below. 
 

Begin High Pressure Spray  

      WARNING: High Pressure Spraying                           

Safety  

 

Keep spray away from people.

 Never direct 

discharge stream at or near any person.  Do not 
allow any part of the body to come in contact with 
the fluid stream.  High-pressure spray can cause 

serious skin, eye, or falling injuries.  Injection injury 
will occur if high-pressure spray pierces the skin, 

injecting liquid under the skin.  Injection injury can 
result in blood poisoning and/or severe tissue 
damage leading to infection, gangrene and possibly 

amputation.  Seek medical attention. 

 

Do not secure trigger open.  

To reduce risk of 

injury, do not attempt to secure the spray gun open 
by blocking or tying the spray gun in the open 
position. 

 

Prevent slips / loss of balance

. High-pressure 

spray could cause you to lose balance from 
kickback forces, and wet surfaces can be slippery

.  

-

 

Keep good footing and balance at all times.  Do 

not overreach. 

-

 

Do not stand on unstable support when spraying.  

-

 

If spraying from an elevated surface, use fall 

protection because spray gun kickback can 
propel you off the elevated surface. When 

spraying from a ladder or scaffolding, ensure it is 
firmly anchored from sway or tip-over. 

-

 

Be aware of puddles and slippery surfaces.  
Ensure there is adequate drainage to prevent 

pooling of water. 

 

Prevent surface damage & flying debris

 – 

Surfaces being sprayed must be strong enough to 
withstand high-pressure spray or damage may 
result. In addition, high-pressure spray will 

dislodge unsecured objects as well as surface 
chips and debris, resulting in hazardous flying 

objects that can cause personal injury or property 
damage.  Do not spray brittle surfaces or 
breakable, fragile, or unsecured objects such as: 

o

 

stucco or laminar flagstone 

o

 

some painted surfaces 

o

 

windows or glass doors (because they may 
break) 

o

 

light fixtures, flowerbeds, mailboxes 

o

 

unsecured, lightweight objects

 

 

Procedure: 
 

1.

 

Put on one of the high-pressure spray nozzles 
(always relieve system pressure first and follow 
instructions for attaching a nozzle). 

2.

 

Clear the cleaning area of all persons.  Keep 

children and pets away. 

3.

 

Hold the spray gun firmly with two hands and a 
sturdy stance -- Gun kicks back when triggered. 

Содержание 15775440

Страница 1: ...quids or vapors in the vicinity Hot exhaust from engine can ignite combustible materials Burns Pressure Washer pump and engine are hot surfaces that can cause burn injuries Detailed safety information about these hazards appears throughout this manual Equipment Protection Quick Facts Inspect Upon Delivery FIRST Inspect for missing or damaged components See Initial Set Up section for where to repor...

Страница 2: ...reparing for Operation 15 Check Add Oil to Pump 15 Check Add Engine Oil 15 Inspect Fuel System Check for Leaks 16 Connect Hoses Water Supply and Spray Nozzle 17 Prime the Water Supply 18 Set Up for Chemical Spray if desired 19 Start Up Procedures 20 Start the Engine to Power the Pump 20 Apply Cleaning Chemical If Desired 20 Begin High Pressure Spray 20 Shutdown 21 STORAGE 22 Between Use Storage 22...

Страница 3: ...TS EXPLOSION MODEL 15781120 15775440 15781720 15781820 REV F 28 PARTS LIST MODEL 15781120 15775440 15781720 15781820 REV F 29 PUMP ASSEMBLIES 30 PUMP EXPLODED VIEW AXD2530G GH E 31 PUMP EXPLODED VIEW AXD2530G GH E 32 PUMP EXPLODED VIEW 4DNX 33 PUMP EXPLODED VIEW 4SPX 34 LIMITED WARRANTY 36 ...

Страница 4: ... safety apparel includes waterproof insulated gloves and non slip protective footwear Cleaning chemicals may require the use of respiration mask refer to chemical label for further instruction Adult control only Only trained adults should set up and operate the pressure washer Do not let children operate Under The Influence Never operate or let anyone else operate the pressure washer while fatigue...

Страница 5: ...etic Oil 15W50 Pump Oil Shipped with Oil but refills required Universal Tractor Transmission Oil part COCP2101 or Mobil 1 Synthetic Oil 15W50 15781720 15781820 FLOW OUTPUT FLOW OUTPUT PSI bar 3000 207 PSI bar 3300 227 GPM I min 2 5 9 4 GPM I min 3 0 11 3 Max Water Temp 140 F 60 C Max Water Temp 140 F 60 C ENGINE ENGINE Engine Honda GX 160 Engine Honda GX 270 Horsepower 5 5 Horsepower 9 DIMENSIONS ...

Страница 6: ...lacement 6 Engine Honda engine provides years of reliable use Air cooled engine that powers the pump 7 Hose Hook Store hose on hook Position depends on model see Assembly Instructions section 8 Nozzles Change nozzles for different spray patterns 9 Nozzle Holder Removable device that will clip on your belt and stores nozzles 10 Spray Gun Always use two hands for safe operation 11 Trigger Actuate to...

Страница 7: ...uation which if not avoided will result in death or serious injury WARNING orange indicates a hazardous situation which if not avoided could result in death or serious injury CAUTION yellow used with the safety alert symbol indicates a hazardous situation which if not avoided could result in minor or moderate injury CAUTION yellow without the safety alert symbol is used to address practices not re...

Страница 8: ... label is missing or not legible order new labels from NorthStar Product Support at 1 800 270 0810 On Product Warning Labels Location Part numbers Description 1 788937 Poisonous Gas Decal 2 788936 Burn Hazard Decal Only on Model 15775440 3 788935 Fuel Fire Explosion Hazard 4 789002 Warning Decal 5 788796 Operation Instruction ...

Страница 9: ...9 Safety Decals To order replacement safety labels call NorthStar Product Support at 1 800 270 0810 ...

Страница 10: ...ng components contact Product Support at 1 800 270 0810 For damaged components contact the freight company that delivered the unit and file a claim If complete fill out product serial number information See Limited Warranty section of this manual Any Questions Comments Problems or Parts Orders call NorthStar Product Support at 1 800 270 0810 Engine Pump Base Assembly Handle Pressure Hose Lance Spr...

Страница 11: ...OSE HOOK QTY 1 PART 779761 MODEL 15775440 QTY 1 VENTED FILL CAP QTY 1 PART CO3200013800 MODEL 15781120 15775440 NYLOCK NUT QTY 2 PART 777495 NOZZLE HOLDER QTY 1 PART 788696 NOZZLES QTY 5 Model 15781120 15775440 15781720 PART 38531 Model 15781820 PART 38532 Hardware Bag ...

Страница 12: ...ver Follow the instructions below for safely moving the pressure washer Outdoor Use Only Select a suitable outdoor location 1 Never run the pressure washer in an enclosed or partially enclosed location such as a building garage barn shed or house These spaces can trap poisonous gases Running a fan or opening windows will not provide adequate ventilation to prevent dangerous CO build up 2 Only use ...

Страница 13: ...sible fire Exhaust WARNING Exhaust Modification hazard Never attempt to attach ductwork to the muffler system to allow for installation inside an enclosure This could cause heat build up and increased exhaust back pressure resulting in possible exhaust leakage or damage to the pressure washer 1 The exhaust gas from your pressure washer is extremely hot and can cause combustible materials to catch ...

Страница 14: ...t up and operation Do not allow anyone to operate the pressure washer who has not read the Owner s Manual and been instructed on its safe use Adult control only Only trained adults should set up and operate the pressure washer Do not let children operate Pressure washers can generate forces greater than children can control and require judgment beyond what can be expected of children Under the inf...

Страница 15: ...e If spraying pressure washer specific chemicals wear a respirator mask to avoid inhalation of vapors if directed on the chemical label 2 Wear non slip protective footwear Use of pressure washer can create puddles and slippery surfaces Wear footwear capable of maintaining a good grip on wet surfaces Preparing for Operation Make sure that any regular maintenance has been performed as prescribed in ...

Страница 16: ...ed rags are flammable and should be disposed of properly If fuel is spilled on your skin or clothes change clothes and wash skin immediately Fill Engine Fuel Tank Check the gasoline tank level If needed fill tank with fresh unleaded gasoline from a portable container 1 Remove engine gas cap 2 Add gasoline through the fill opening Use only a UL approved portable gasoline container to transfer the g...

Страница 17: ...o fill a 5 gallon bucket with your garden hose The bucket must fill faster than the times listed in the table below Model Time to fill 5 gallon bucket 15775440 100 seconds 15781120 100 seconds 15781720 100 seconds 15781820 84 seconds 3 The water supply garden hose must have an inside diameter of at least 5 8 If the hose is more than 100 ft long the diameter must be at least 3 4 4 Never use a reser...

Страница 18: ... 3 Release the collar making sure it springs back and re seats to its original non retracted position Check the connection by pulling on the nozzle to ensure a tight connection if correctly inserted nozzle will rotate but not pull out Prime the Water Supply Turn on water supply and squeeze the trigger CAUTION Water Pressure Never run the pump without the water supply connected and turned on Operat...

Страница 19: ...emicals Containing Muriatic Acid Certain chemicals such as bleach or those containing muriatic acid will cause pump damage if introduced upstream through the pump s water inlet WARNING Chemical Spraying Never spray acids corrosives or abrasive or flammable liquids Breathing hazards surface burns corrosion or fire explosion could result Follow the chemical manufacturer s label instructions for prop...

Страница 20: ...from people Never direct discharge stream at or near any person Do not allow any part of the body to come in contact with the fluid stream High pressure spray can cause serious skin eye or falling injuries Injection injury will occur if high pressure spray pierces the skin injecting liquid under the skin Injection injury can result in blood poisoning and or severe tissue damage leading to infectio...

Страница 21: ...e locked position to guard against accidental trigger release Spray Gun Safety Lock When not spraying use the spray gun safety lock to prevent accidental high pressure discharge 10 Always turn off the engine and activate spray gun trigger to relieve system pressure when the sprayer is unattended disconnecting hoses installing cleaning nozzles or servicing the pump WARNING Injury Always turn off th...

Страница 22: ...peratures you must properly prepare the pressure washer to prevent water from freezing in the system WARNING Freezing Conditions Do not allow water to freeze in the pressure washer high pressure hose or spray gun Freezing water can cause damage to the equipment and cause the spray gun to fail in the open position A spray gun that has failed in the open position can whip around and cause personal i...

Страница 23: ...dd one teaspoon oil through spark plug hole c Place rag over spark plug hole and slowly pull the recoil a few times to lubricate the combustion chamber Replace spark plug but do not reconnect the spark plug wire Prepare Pressure Washer for Storage Prepare the pressure washer for storage 1 Make sure the engine start switch is OFF 2 Disconnect the engine spark plug wire if you haven t already done s...

Страница 24: ...ssure washer Turn off relieve pressure first Always turn off pressure washer and relieve system pressure before inspection or maintenance Remove spark plug or spark plug wire to prevent accidental starting Fuel valve off Turn fuel shut off valve to OFF position before transporting or servicing the pressure washer Replace guards Make sure all guards and cover shields are replaced after servicing th...

Страница 25: ...per local state and national guidelines 1 Unscrew garden hose from water inlet if connected 2 Unscrew inlet filter 3 Remove filter screen 4 Run water through filter screen to clean 5 Reassemble Inspect Fuel System Inspect the engine fuel system and check for leaks before each use Do not start pressure washer until all needed repairs have been completed WARNING Filter Disposal Gasoline fuel is high...

Страница 26: ...ll designed will need maintenance and repairs A NorthStar pressure washer is no exception At times a NorthStar pressure washer may become inoperable because repairs are required NorthStar Product Support will assist in these repairs as needed but if an inoperable pressure washer creates a major expense to your business then we strongly recommend the following Have a staff person become familiar wi...

Страница 27: ... Place ON OFF switch in the ON position Spark plug wire not attached Attach spark plug wire to spark plug LOW SURGING PRESSURE Causes Solutions Insufficient water supply Increase water flow Check for kinked or pinched hose Plugged inlet screen Pull out and clean screen carefully Need to use high pressure nozzle Change to the green yellow white or red nozzle Plugged nozzle Remove nozzle check for b...

Страница 28: ...28 Parts Explosion Model 15781120 15775440 15781720 15781820 Rev F ...

Страница 29: ...5781120 15781720 15781820 13 22622 Lance w Quick Connect 1 15781120 15781720 15781820 14 779165 Spray Gun 1 15781120 15781720 15781820 38527 15775440 15 779166 Lance 1 ALL 16 777904 Nozzle Quick Coupler 1 ALL 17 38531 Nozzle 5 Pack 3 0 1 15781120 15781720 15775440 38532 Nozzle 5 Pack 3 5 15781820 18 221222 Chemical Strainer 1 ALL 19 777165 Braided Chemical Hose 3 ft ALL 20 2215 Rubber Foot 2 ALL 2...

Страница 30: ...75440 38596 3 8 Inlet Filter 15781720 15781820 29 777340 x Hose Barb Fitting 1 15781720 15781820 30 777834 Hose Clamp 2 15781720 15781820 31 777165 PVC Hose sold by foot 1 ft 15781720 1ft 2 in 15781820 32 38584 Easy Start Valve 1 15781720 15781820 33 777347 3 8 Street Tee 1 15781720 15781820 34 35918 Thermal Valve 1 15781720 15781820 35 22393 Pop Off Valve 1 15781820 44 777410 3 8 Street elbow 1 1...

Страница 31: ...31 Pump Exploded View AXD2530G GH E ...

Страница 32: ...0051100 GARDEN HOSE TAIL W WING NUT 1 17 CO0009036900 RING 3 55 SEE PART 58 CHEM COUPLING 1 18 CO0009021900 RING RETAINER WOBBLE PUMP 3 56 CO3003002400 BALL FOR CHEMICAL INJECTOR 1 19 CO1210035600 O RING SEAL CONTAINER WOBBLE 3 57 CO1802018000 SPRING FOR CHEMICAL INJECTOR 1 20 CO1241005700 BACK PACKING 3 58 CO2803043500 CHEMICAL INJECTOR KIT 1 21 CO0601030800 OIL SEAL SPACER 3 59 CO3200001700 PORT...

Страница 33: ... Oil w Gasket 1 168 CA543988 Retainer Spring Inlet 3 38 CA44428 Gasket Flat Flex Oil Gauge 1 169 Kit 2 Retainer Spring Discharge 3 48 CA44842 Drain Plug 1 172 CA142807 O Ring for Plug 3 49 CA14179 O Ring for Drain Plug 1 174 CA547104 Plug Valve w o ring 3 53 Not Available Crankcase 1 185 Not Available Head Manifold w Unloader Body 1 64 CA46229 Crosshead Pin 3 188 Not Available Screw 6 65 CA542402 ...

Страница 34: ...34 Pump Exploded View 4SPX ...

Страница 35: ...6 CA49664 Seat 1 69 CA126259 437 CA13963 O Ring 70D for Seat 1 70 CA25301 Oil Seal 3 438 CA46254 Seat Check Valve 1 90 CA547091 Plunger 3 439 CA13963 O Ring 70D for Check Valve Seat 1 98 CA46730 Washer 3 443 CA547826 Valve Check 1 99 CA542405 Retainer Plunger 3 444 CA45924 Spring 1 100 CA44869 Retainer Seal 3 446 CA26133 O Ring 70D for Body 1 106 CA45188 Seal 3 469 CA7332 Chemical Fixed Injector 1...

Страница 36: ...lteration or improper installation or operations will void warranty Determining whether a part is to be replaced or repaired is the sole decision of NorthStar NorthStar will not provide for replacement of complete products due to defective parts Any costs incurred due to replacement or repair of items outside of a NorthStar approved facility is the responsibility of the buyer and not covered under...

Страница 37: ...37 This page was intentionally left blank ...

Страница 38: ...38 Assembled by Northern Tool Equipment Company Inc Burnsville MN 55306 NorthernTool com ...

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