North Star M157471A User manual

2003 K-Bar Industries
TM
M157471A
ITEM NUMBERS:157471,
157472
Owner’s Manual
Pressure Washer: Machine that cleans dirty
surfaces with high pressure water.
Any Questions, Comments, Problems or Parts Orders
Call NorthStar Customer Service 1-800-270-0810
Engine is shipped without oil.
- Before starting engine, fill engine oil.
- See engine manual for engine oil requirements.
Closely inspect all components.
-If you have damaged components then:Contact the freight
company that delivered the unitand file a claim.
-If you have missing components then: ContactCustomer
Service at 1-800-270-0810.
Read this manual.
Serious injury or death can result if safety instructions are not followed.
WARNING

2
Hazard Signal Word Definitions

3
Table of Contents
Important Safety Rules.....…...................................... 4-5
Warning Label Locations......…................................. 6
Unpacking………………………………………………….. 7
Machine Component Identification……………………… 8
Pump Component Identification..…………..…………… 9
Operation Instructions…........................…................ 10-13
Water Supply……………….…………………………..10
Start-Up Instructions……………………..…………… 10
Shut-Down Instructions……………..…………………10
Spray Gun Safety Lock…………………….………….11
Attaching the Pressure Hose……..………………….. 11
Attaching the Lance……………………………….….. 12
Operating the Nozzle………………...………..……… 12
Applying Chemicals..………………….……………….13
Maintenance....................................…………………. 14-15
Maintenance Mode……………………………………. 14
Maintenance Schedule……………………….………. 14
Cleaning/Replacing the Nozzle Orifice…...………… 14
Engine Oil Change….……………………………..….. 15
Storage....................................……………………….. 15
Long Term Storage…………………………………….15
Winter Storage………………………………………… 15
Troubleshooting .............................…......…….............. 16
Specifications and Accessories..........…….......…......... 16
Parts Explosion .......................................……............... 17

4
Important Safety Rules
Save These Instructions
1.) Read owner's manual completely.
Serious injury or death can result if safety instructions are not followed. You must be
16 or older tooperatethis machine. Keepuntrained people away.
2.) Skin puncture hazard.
High pressure fluid can inject under skin resulting in serious injury including
amputation. Do not direct spray at people or animals.
-Ifskin injection happens, seek IMMEDIATE surgical treatment.
-Do notcheck for leaks with hand. Instead,use a piece of cardboardtocheck for
leaks.
-Do not use unit if exterior hose damage is evident. Make sure all fittings are tight
before starting. Relieve system pressure before servicing.
-Know how to stop engine and bleed pressures quickly. Be thoroughly familiar with
the controls.
-Makesure accessories meetthe unit's temperatureand pressure limits.
-Stop engine, bleed pressure, andengagespraygun safety lockbefore leaving unit
unattended.
3.) Risk of fire and explosion.
Hot exhaustfumes from engine cancause fire. Gasoline is highlyflammable and
explosive. You can be burned or seriously injured when handling fuel.
-Position muffler at least 7 feet from combustible objects.
-Beforeadding fuel,stoptheengineandkeep heat, sparks,and flameaway. Do not
add fuel when engine is running or still hot. No smoking near engine.
-Do notpump fuel directly into engine atgas station. Staticchargecanbuildand
ignitefuel. Use aULapproved fuel container totransfer gas to the engine. Wipe up
fuel spills immediately.
-Only store and handle fuel outdoors. Gasolinevapors canigniteif they collect
insidean enclosure. Explosioncanresult.
-Do not change or add to exhaust system. Fire can result.
-Do not change or add fuel tanks or fuel lines. Fire can result.
-Before each use, check fuel tank and fuel lines for leaks. Any fuel leak is a fire
hazard. Fix any fuel leaks before starting engine.
-During transportation take precautionsto make sure pressure washer will not tip
over and cause a fuel leak fire hazard.
4.) Poisonous gas.
This machine gives off carbon monoxide, a poisonous gas that can kill you. You
CANNOT smell it, see it, or taste it.
-ONLY run machine outdoors and away from air intakes.
-NEVER run machine inside homes, garages, sheds, or other semi-enclosed spaces.
Thesespaces cantrappoisonousgases,EVEN IF you runa fan or open doors and
windows.
If you start to feel sick, dizzy, or weak while using this machine, shut it off and get to
freshair RIGHTAWAY. See a doctor. Youmay have carbon monoxide poisoning.
WARNING

5
Important Safety Rules
5.) Risk of exposure to dangerous chemicals.
Serious injury or death can result if chemical manufacturer instructions are not
followed.
-Wear protective gloves when handling and cleaning with chemicals.
-Understand all safety hazards and first aid for all chemicals being used.
-When cleaning filters, check if chemicals have been used and take any
precautions that are recommended by the chemical manufacturer.
-Different chemicals may interact dangerously with each other, always follow
chemical manufacturer directions before switching chemicals.
-Calculate the correct amount of chemical to mix, dispose of excess chemical
per the manufacturer instructions.
-Never spray flammable liquids.
6.) Risk of electrocution.
Electricity can kill you. Keep water away from electrical outlets and electrical
devices.
7.) Flying objects.
Small particles may fly out while spraying. Wear safety glasses. Serious eye
injury canoccur.
Make sure nozzle is secure before squeezing trigger. If nozzle is not secure it
will become a projectile.
8.) Fall hazard.
Pressure washer creates puddles and slippery surfaces. Keep good footing
and balance. Serious injury can occur.
-Wear footwear cabable of maintaining a good grip on wet surfaces.
-Gunkicks back. Holdwith both hands.
-Do not overreach or stand on unstable supports.
-Do not stand on ladders or scaffolding.
-Do not place pressure washer on soft or unstable ground.
CAUTION
1.) Hot muffler.
You can be burned by muffler. Do not touch.
WARNING
Save These Instructions

6
Warning Label Locations
SHUT-DOWN INSTRUCTIONS
1. Turn engine OFF.
2. Turn water supply OFF.
3. Squeeze trigger to
relieve system pressure.
4. Remove garden hose.
5.Remove pressure hose.
6. Turn fuel valve OFF
(if equipped).
START-UP INSTRUCTIONS
1.Attach garden hose.
2. Attach pressure hose.
3. Attach gun and lance.
4. Turn water supply ON.
5. Squeeze trigger to
purge air from pump.
6. Insert nozzle.
7. Start engine.
Call 1-800-270-0810 to order new labels.
Instruction Label: Part No. 32538
Warning Label: Part No. 38570
Engine and pump no
t
shown for clarity.
1.) Burn hazard.
Do not touch hot muffler.
CAUTION
Part No. 38570
1.)Skinpuncture hazard. Do
not direct spray at people or
animals. Seek IMMEDIATE
surgical treatment.
2.) Risk of fire and explosion.
Do not add fuel when engine is
running or still hot.
3.) Breathinghazard.
Poisonous fumes from engine
can kill you. Do not operate
indoors even if ventilated.
4.) Risk of electrocution.
Keep water away from electric
outlets and electric devices.
5.) Read owner's manual.
Serious injury or death can
result if safety instructions are
not followed.
WARNING
2003 K-Bar Industries 800-270-0810

7
Unpacking
-Separate and identify the components.
Pressure Washe
r
Pressure Hose
Spray Gun Lance Owner’s Manual
Any Questions, Comments, Problems or Parts Orders
Call NorthStar Customer Service 1-800-270-0810

8
Machine Component Identification
1.) Carry Handle
2.) Pressure Hose
3.) Chemical Hose
4.) Water Pump
5.) Engine
6.) Nozzle
7.) Spray Gun
8.) Trigger

9
Pump Component Identification
Water inlet
Water outlet
Inlet filter
Chemical hose
C
hemical
strainer

10
Skin puncture hazard.
High pressure fluid can inject under skin resulting in serious injury including
amputation. Do not direct spray at people or animals.
-If skin injection happens, seek IMMEDIATE surgical treatment.
-Do not check for leaks with hand. Instead, use a piece of cardboard to check for
leaks.
-Do not useunit if exterior hose damage is evident. Make sure all fittings are tight
before starting. Relieve system pressure before servicing.
-Knowhow to stop engine and bleedpressures quickly. Be thoroughly familiar with
the controls.
-Make sure accessories meet the unit's temperature and pressure limits.
-Stop engine and bleed pressures before leaving unit unattended.
WARNING
Operation Instructions
Water Supply
1.) Make sure water supply is clean. Debris can cause excess pump wear and reduce
performance.
2.) An insufficient water supplywill damage your pump. Make sure the water supply is steady and
is 20% over the rated flow of your pump. Use a stopwatch to time how long it takes to fill a 5
gallon bucketwith your garden hose. The bucketmustbe filled in less than 125seconds.
3.) The water supplygarden hose musthave an inside diameter ofatleast5/8”. Ifthe hose is more
than 100 ft. long,the diameter mustbe atleast 3/4”.
4.) Never use a reservoir tank as a water source. Drawing water out of a tank may cause pump
cavitation and damage to your pump. This pressure washer is designed for a pressurized water
source such as a city water faucet. However, the water source pressure must not exceed 115
psi (8 bar).
5.) Always use a flexible rubber hose for your water supply. Do notuse rigid piping.
Start-UpInstructions
1.) Attach garden hose to water inlet.
2.) Attach pressure hose to water outletand spraygun.
3.) Attach spraygun to lance.
4.) Turn water supplyON.
5.) Squeeze trigger to purge air from water pump.
6.) Startengine.
Shut-Down Instructions
1.) Turn engine OFF.
2.) Turn water supplyOFF.
3.) Squeeze trigger to relieve system pressure.
4.) Remove garden hose.
5.) Remove pressure hose.