North Star 157394 User's Manual
Contents
1. N Code Description Note Qty Model N Code Description Note Qty Model 1 32080800 Copper Diesel Hose 1 14 12020052 Hook 2 2 28030320 Helbow Coupling 90 il 15 0535 0065 H T Cable Kit 3 3625 0013 Screw 4 2x9 5 3 16 0604 0010 Nut M6 3 4 3200 0074 Plug 1 17 2811 0030 Washer 6 4x12 5x1 6 3 5 3019 0035 Outer Seeger 22 1 18 0402 0132 Boiler Cover 6 0602 0047 Electrode Holder Disc 1 19 0402 0134 Exaust Cover 7 0602 0048 Air Turbolence Ring 1 20 0424 0204 Internal Boiler Body 8 3608 0004 Screw M3x6 3 21 0424 0200 External Boiler Body 9 3400 0340 Diesel Nozzle 0 90 60 W CT 1 22 3044 0008 Coil 10 0805 0017 Bifilar Electrode 1 23 2822 0008 Hard Refractory Pad 11 2819 0020 Spring Washer D 15x5 2x0 4 1 24 2822 0010 Soft Refractory Pad 12 3625 0046 Screw M5x12 il 25 3607 0010 Hexagonal Screw M8x16 13 0335 0026 Burner Head Kit 1 26 2811 0016 Washer 8 4x17x1 6 5 18 GUN HOSE WAND ASSEMBLY EXPLODED VIEW N Code Description Note Qty Model 1 2410 0060 Spray gun 2 3304 0635 Lance Kit 3 3400 0254 Water Nozzle 15 035 01 14 1 4 4 33010554 H P Hose Kit 5 16 L 10m 5 1407 0027 Quick Coupling M22X1 5 6 3208 0743 H P Hose 5 6 L 10m 7 33010487 Detergent Hose Kit 8 10020055 Det2. 4 PUMP MOTOR ASSEMBLY EXPLODED VIEW N Code Description Note Qty Model N Code Description Note Qty Model 47 12010124 Motor Gasket 68 3200 0031 Plug 48 00010464 Rotor Shaft 1 69 1210 0383 O Ring 1 78x3 69 2 49 3041 0152 Stator 70 1210 0055 O Ring 1 78x6 07 50 12010124 Motor Gasket 1 71 12100091 O Ring 51 0438 0059 Ball Bearing 1 72 2803 0314 O Ring 52 1009 0094 Back Motor Housing 73 0601 0197 Valve Shim 53 3609 0129 Screw M5x20 4 74 1220 0029 Suct Del Valve Ass y kit 6 54 3622 0028 Stop Adjustable Nut M8x10 1 75 3609 0127 Screw M8x140 4 55 3632 0028 Fan Kit 76 3200 0017 Plug 61 8 56 3607 0177 Hexagonal Screw M6x14 2 77 3607 0177 Hexagonal Screw M6x14 il 57 2811 0023 Washer 6 6x18x2 2 78 0604 0010 Nut M6 58 0466 0012 Shraud Cover i 79 28110023 Washer 6 6x18x2 il 59 3607 0097 Hexagonal Screw M6x16 4 80 3002 0326 Spacer 1 60 2811 0030 Washer 6 4x12 5x1 6 4 81 3002 0328 Support 61 12010094 Gasket 2 82 0604 0075 Nut M4 2 62 1602 0051 Key 5x5x20 1 83 2811 0006 Washer 4 3x9 2 63 0604 0046 Nut M5x6 4 84 3226 0075 H T Transformer 64 3208 0831 H P Hose 1 85 2811 0030 Washer 96 4x12 5x1 6 1 65 2811 0030 Washer 6 4x12 5x1 6 2 86 3607 0106 Hexagonal Screw M6x10 66 3607 0177
3. GFCI does not protect against short circuits or overloads Use a fuse or circuit breaker to guard against these occurrences Northern recommends that all electrical service be performed by a licensed electrician All electrical connections must be made according to local state and federal codes to maintain a valid warranty Connect the cord to a circuit that is wired for the 120 volts shown on the identification plate of the unit and properly electrically ground the connection GROUNDING INSTRUCTIONS This pressure washer must be grounded Grounding provides a path of least resistance for electric current to reduce the risk of shock if the unit should malfunction or breakdown For your safety plug the cord equipped with an equipment grounding conductor and a grounding plug into an appropriate outlet The outlet should be properly installed and grounded according to local electrical codes and ordinances GROUND FAULT CIRCUIT INTERRUPTER A GFCI is built into the plug of the pressure washer power supply cord This GFCI provides additional protection from electrical shock Use only the identical replacement parts that include GFCI protection when replacing the plug or power cord EXTENSION CORDS Only use outdoor approved 3 wire extension cords with 3 prong grounding type plugs and 3 pole cord connectors that accept the plug from the unit Outdoor cords are identified by Acceptable for outdoor appliances store indoors while not
4. Hexagonal Screw M6x14 2 87 3609 0113 Screw M5x10 2 67 2803 0312 Oil Level Wiever 1 88 0535 0065 H T Cable Kit 1 Suction Delivery Valve Kit 5025 0007 5025 0007 Kit A D N Cod Qty 19 1210 0048 6 20 1205 0025 6 8 21 1802 0125 6 22 3604 0017 6 23 3009 0087 6 T 24 1210 0046 6 Seal Kit 5019 0025 2 5019 0025 Kit B S N Cod Qty c 28 12410031 3 e 30 12100333 3 31 1210 0337 3 15 UNLOADER VALVE EXPLODED VIEW N Code Description Note Qty Model N Code Description Note Qty Model 1 18170031 Knob 1 15 0424 0206 Unloader Body 2 28030262 Coupling il 16 1809 0016 Half Ball 3 18020119 Unloader Spring 1 17 3036 0004 Seat 4 3002 0334 Spacer il 18 1210 0186 O Ring 1x10 5 0015 0118 Rod 1 19 1210 0040 0 Ring 1 78x15 6 6 0009 0096 Ring 1 20 2803 0266 By Pass Coupling 7 1210 0039 O Ring 1 78x 7 66 1 21 2803 0264 Special Screw 8 1227 0022 Ring Nut il 22 1209 0082 Copper Washer 9 3622 0030 Stop Adjustable Nut Mx 1 23 12100198 0 Ring 2 5x4 10 3202 0094 Cap 1 24 3600 0060 Check Valve 11 1210 0040 0 Ring 1 78x15 6 1 25 1802 0120 Check Valve Spring 12 1210 0055 O
5. Proven Performance HOT COLD WATER PRESSURE WASHER RANGER NORTHERN Tool amp Equipment Co P O Box 1499 Burnsville MN 55337 0499 1 800 270 0810 Item 157394 NORTH STAR RANGER Pressure Washer HOT COLD Congratulations on your purchase of the RANGER 157394 Pressure Washer Your pressure washer is made of high quality components to ensure the top performance you demand Take the time to read this entire manual so you better understand the machine how to operate it the maintenance required and the safety precautions You will find the assembly operating maintenance and troubleshooting instructions included Be sure everyone who operates and or maintains the equipment has read and understands this manual the engine operations and the safety precautions The time you take now will prolong the life of your machine and prepare you for its safe operation Enjoy the exceptional performance of your MORTE 531 24 Pressure Washer the industry leader This symbol means CAUTION WARNING OR DANGER Read and understand the instruction because it has to do with safety Failure to comply with the instruction may result in personal injury or damage to the product If an injury ever occurs seek medical attention immediately TABLE OF CONTENTS SAFETY INSTRUCTIONS de 4 Unpacking nu S RET HEUTE ERE Tar ere eee Ede 5 ELECTRICAL REQUIREMENTS 355 tdem ne dd a datant 6 INSTALLATION INSTRUCTION
6. CLOTHING Proper clothing is essential for your safety Use whatever is necessary to protect your eyes ears feet and skin Additional safely accessories like a respiratory mask may be required when using detergents with this washer PUMP Check pump oil level at least once a week Open the cover hood on the unit remove oil plug Oil level should be 2 mm from elbow surface If oil is needed fill with SAE 80 90 non detergent oil Do not overfill WATER SUPPLY 3 4 1 Connect the water supply to the 344 female garden hose swivel on the water inlet port of the unit Connect the other end of the hose to the pressurized water supply The supply hose should have a 314 inside diameter ID and be no longer than 50 feet 2 The water supply pressure must be a minimum of 20 pounds per square inch PSI and a maximum of 125 PSI The flow rate must be at least 3 gallons per minute GPM 3 Use a water softener if there is high mineral content in the water of your area High mineral content causes excessive scale build up in the coil heat exchanger 4 Connect one end of the high pressure discharge hose to outlet port on the pressure washer and the other end to the wand gun assembly Be sure all connections are securely tightened Sudden release of high pressure streams can cause serious injury OPERATING INSTRUCTIONS STARTING THE PRESSURE WASHER BEFORE STARTING THE PRESSURE WASHER 1 Read all safety instructions througho
7. Ring 1 78x6 07 1 26 1210 0040 O Ring 1 78x15 6 13 0009 0167 Ring 1 27 2803 0268 Coupling 14 1209 0082 Copper Washer 1 28 3600 0062 Check Valve Kit 16 ELECTRIC SYSTEM EXPLODED VIEW 1 2 N Code Description Note Qty Model N Code Description Note Qty Model 1 3625 0003 Special Screw M6x6 2 15 0434 0023 Capacitor 85yf 2 0460 0030 Switch Cover 1 16 2434 0039 Cable Holder 3 2416 0095 Switch Protection 17 12010102 Switch Box Seal 4 1410 0066 Switch 18 3625 0019 Screw M4x12 5 0456 0100 Electrical 3 19 2819 0007 Spring Washer 6 1817 0039 Burner Knob 20 0456 0116 Electrical Cable L 6000 mm 7 3625 0035 Screw 3 5x19 6 21 2434 0034 Cable Holder 8 0457 0027 Electrical Panel Sticker 1 22 1227 0027 Ring Nut 9 0402 0198 Electrical Panel Cover 23 3625 0019 Screw M4x12 4 10 1210 0396 0 Ring 2 62x190 17 1 24 2434 0033 Cable Holder 18 11 0204 0041 Thermostat Bushing 25 0434 0021 Capacitor 50uf 12 3230 0011 Regulation Thermostat 26 1229 0025 Sheat 13 30010084 Electrical Box 1 27 1209 0007 Copper Washer 14 18140004 Cable Connector 178 3rd Capacitor start CO04340028 not shown BURNER BOILER EXPLODED VIEW 16 amp 17 e gt 15
8. damaging moving parts Use a water softener if the water supply has a high mineral content This will avoid accumulation of mineral deposits in the coil heat exchanger If a softener is not available it is necessary to de scale the coil occasionally See your nearest Northern store or call 1 800 270 0810 for customer service Detergents are corrosive It may be necessary to repair or replace components on the detergent injector system periodically as part of standard maintenance Never pump acids alkalines or abrasive fluids through the unit Never operate the unit without the hood cover Eliminate leaks found in the pumping system by removing suspect parts applying sealant to the threads and reinstalling If using Teflon tape be sure no tape gets into any plumbing this causes a plugged spray nozzle and internal problems Change pump crankcase oil after first 50 hours of use then every 250 hours Use only SAE 80 90 non detergent oil Oil level should be 2 mm from transparent elbow surface Check oil once a week Change fuel filter to burner every 6 months and screen in the fuel pump on the burner each year Be sure to use only high quality No 1 or No 2 Diesel Never spray water directly into the unit or store outdoors where it can be exposed to rain or other adverse weather conditions Never store the unit in a freezing environment This causes the coil heat exchanger to rupture and the water pump to lock up Never po
9. in use Extension cord must have an electrical rating not less than the rating of the product Do not use a damaged extension cord or abuse the cord by yanking Keep cord away from heat sources and sharp objects Always disconnect the extension cord from the power supply before disconnecting the unit from the extension cord Improper connection of the equipment grounding conductor can result in a risk of electrocution Check with a licensed electrician if you doubt whether an outlet is properly grounded Do not modify the product plug install a proper outlet with a licensed electrician Reduce the risk of electrocution keep all connections dry and off the ground Do not touch with wet hands VENTILATION REQUIREMENTS Permanent installation in an enclosed area or indoors should be performed by a qualified contractor The burner exhaust must be stacked to the outside atmosphere and a barometric draft regulator is required as well INSTALLATION INSTRUCTIONS If installing the RANGER 157394 indoors or in an enclosed area observe the following guidelines Operate the unit on a level surface to ensure proper lubrification to the water pump Be certain the ambient temperature of the environment does not exceed 100 F This ensures adequate air supply for the burner Do not expose the unit to rain snow or freezing temperatures Do not install where dust vapors or combustible materials will be present PRE OPERATION CHECK
10. with trigger squeezed Burner stops firing when the trigger is released or when water exceeds the temperature setting CAUTION EXPOSED METAL EXHAUST OUTLET AND HOSE CONNECTIONS DURING HOT OPERATION ARE EXTREMELY HOT STOPPING THE PRESSURE WASHER I 9 we LD To protect your safety and the service of your RANGER 157394 you must follow the procedure for stopping the pressure washer outlined below Run one gallon of clean water through the used detergent lines If detergent has been used during this operation run Turn burner switch to OFF 0 position Squeeze the trigger and discharge cool water for 3 minutes to cool the burner component Turn the unit OFF with the main switch on the control panel Turn off the water supply immediately Squeeze the trigger gun to relieve system pressure and drain excess water Disconnect power cord and unit hoses USING THE DETERGENT INJECTOR This feature is designed for use with mild detergents North Star detergents are highly recommended for use with all North Star pressure washers 1 2 Prepare cleaning solution according to the detergent label directions Immerse the strainer end of the clear vinyl hose into the detergent solution to allow detergent to siphon Turn the nozzle at the end of the wand to the left for low pressure Start the unit as directed in the OPERATING INSTRUCTIONS Brace yourself and the triggered gun The detergent and water mixture will ex
11. 13 6 2 3208 0726 By Pass Hose 1 25 1220 0029 Suct Del Valve Ass y kit 6 3 3208 0728 H P Hose 26 3202 0093 Plug 1 4 2803 0244 Detergent Coupling il 27 32180101 Pump Manifold 1 5 12100227 O Ring 1 28 12410031 Packing 3 6 3003 0011 Detergent Ball 29 0009 0169 Packing Retainer 3 7 1802 0155 Detergent Spring 1 30 1210 0333 O Ring 1 78x23 52 3 8 08010038 Detergent Injector 31 12100337 O Ring 2 62x15 08 E 9 08010040 Detergent Injector Kit 32 00190081 Oil Seal 3 10 2417 0032 Reduction il 33 32000055 Plug 3 11 18160101 Gauge 34 24320013 Piston Holder 1 12 12150118 Unloader Valve 1 35 3609 0005 Screw M8x20 2 13 2803 0218 T Coupling 1 36 3208 0823 Suction Hose 1 14 1209 0091 Copper Washer 3 8 37 1210 0225 0 Ring 2 62x88 57 1 15 2825 0018 M F Reduction G3 8 G1 4 1 38 1802 0153 Piston Spring 3 16 1209 0097 Copper Washer 39 2409 0057 Piston Guides 3 17 2421 0004 Pressure Switch 40 0009 0173 Ring 3 18 3202 0155 Plug 6 41 0009 0175 Ring B 19 1210 0048 0 Ring 2 62x20 24 6 42 0436 0011 Complete Axial Bearing 1 20 1205 0025 Suct Del Valve Cage 6 43 00010374 Eccentric Shaft 1 21 18020125 Spring 6 44 0438 0046 Ball Bearing 1 22 36040017 Suct Del Valve 6 45 0019 0036 Oil Seal 1 23 3009 0087 Suct Del Valve Seat 6 46 1009 0092 Front Motor Flange 1
12. 15 2803 0408 Coupling G1 4 PG 7 48 1215 0148 Safety Valve 16 3208 0895 Diesel Hose 1 49 0604 0095 Nut M6 17 1003 0067 Hose Clamp 50 0466 0014 Throttle Conveyor 18 3029 0011 Diesel Tank 51 12090007 Copper Washer 19 3200 0039 Diesel Tank Plug 1 52 32300011 Regulation Thermostat 20 3609 0030 Screw M5x20 8 53 2803 0503 Coupling 21 2437 0001 Front Bumper 1 54 32300003 Safety Thermostat 22 28190009 Spring Washer 8 55 1209 0099 Copper Washer 23 2815 0026 Rivet M5x13 8 56 2417 0054 Reduction 24 24340022 Cable Holder 1 57 2803 0260 Delivery Coupling 25 3206 0272 Frame 1 58 2810 0030 Wheel 4 26 2434 0012 Cap 1 59 0009 0179 Ring 20 4 27 2811 0023 Washer 6 6x18x2 1 60 0402 0189 Wheel Cover 4 28 0604 0095 Nut M6 1 61 28100031 Wheel Kit 4 29 3208 0823 Suction Hose L 210 1 62 5018 0038 Handle Fitting Assembly 1 30 1002 0110 Water Filter 1 63 1803 0030 Handle Bar 1 31 3208 0824 Suction Hose 1 64 1817 0032 Handle Bar Knob 2 213 PUMP MOTOR ASSEMBLY EXPLODED VIEW 77 85 86 87 Pump amp Motor CO90270079 Cost more than whole unit N Code Description Note Qty Model N Code Description Note Qty Model 1 12110021 By Pass Elbow Coupling 24 12100046 0 Ring 2 62x17
13. S susen 7 PRE OPERATION CHECK nede ons 7 OPERATING INSTRUCTIONS en ner nan einen mer 8 Starting the Pressure Washer iecit ed Da ananas HG OR RE DO e PEE E D EET FORD RHEIN ER 8 Cold Water Operation mese reise Re i o UE eO SE Fn Rt Fr Ee rura odere ed 8 Hot Water Operation seres tote er ERR EEEE EE E s r 9 Stopping the Pressure Washer 35r eere ion e ERO att eet aja EO asli 10 Using the Detergent InJe ctor eiie ite etre Daa n e ini a ENT oo Aena ttes 10 h TEL IN PS bl EN 11 TRASS 12 PARTS ASSEMBLY AND IDENTIFICATION aaiaaaaaaaaaaaaaaaaaaaaaassaaaaaaaaaaaaaaaaaaaaaaaaaa 13 19 SAFETY INSTRUCTIONS Read and understand these instructions because they have to do with safety Pay particular attention to the safety symbol throughout this manual Failure to comply with these instructions may result in personal injury or product damage ELECTRICAL SAFETY Properly ground this unit Failure to ensure proper grounding can cause serious personal injury Never use a two prong adapter on the three prong electrical plug that is installed Be certain all switches are OFF before plugging the unit into a compatible 120 volt power source Always turn off and unplug the unit from the power source if leaving unattended Never leave unit unattended while running Never allow an electrical cord or connections to lay in water it can cause a serious fatal shock Do not use this unit on or near any electrical installations including ele
14. ctrical outlets light bulbs fuse boxes or transformers Severe electrical shock can occur Unplug the unit from power source before attempting any repairs Electrical repairs are best suited to a licensed electrician Follow all local state and federal electrical installation codes VENTILATION AND FIRE SAFETY 8 10 11 12 13 14 15 16 Use only No 1 or No 2 Diesel to fill the fuel tank Never use kerosene gasoline crankcase drainings or oil containing gasoline solvents these can ruin your pressure washer Fill the fuel tank slowly and only when the unit is COOL Never operate the unit near dust gases flammable vapors or other ignitable materials Always operate the pressure washer with the hood cover in place Allow the unit to cool down after stopping the pressure washer before leaving it unattended See cool down procedure in STOPPING THE PRESSURE WASHER section Consult a qualified heating contractor for permanent installation Follow all local state and federal codes Always be sure there is adequate oxygen and ventilation during indoor use Carbon monoxide gas is odorless and colorless it can cause serious illness end even death Vent all burner exhaust outside the building Poorly ventilated areas cause bad combustion motor overheating and serious danger Never alter or modify the unit or its safety features Be sure all components can handle the high pressure this unit generates Be sure al
15. d clean it if necessary Prime the pump without the lance Check the valves clean and reassemble Clean the filter Clean the filter Replace the electrodes Replace the pressure switch Replace the safety thermostat Fill diesel tank or work on cold water Further dilute the detergent Clean the filter FRAME COWLING ASSEMBLY EXPLODED VIEW 54 53 52 51 N Code Description Note Qty Model N Code Description Note Qty Model 1 0477 0096 Cover 32 28110074 Washer 4 36x16 2 2 24160104 Roll bar 2 33 3625 0037 Special Screw 2 3 3208 0800 Copper Hose 4 1 34 2437 0002 Rear Bumper 4 2803 0322 Coupling 4 GC1 8 35 0600 0039 Special Bolt 5 5 28030258 T Coupling 61 8 1 36 1201 0078 Gasket 2 6 3200 0017 Plug G1 8x8 1 37 0604 0066 Nut 7 3002 0322 Diesel Pump Support 38 2800 0074 Straight Hose Tail 8 3607 0106 Hexagonal Screw M6x10 2 39 3200 0062 Plug 4 9 2811 0083 Washer 13 5x19x1 5 42 2000 0089 Nipple 3 4M 3 8M 10 0011 0001 Adapter 1 4 M F 43 1227 0002 Ring Nut for Cable Holder PG16 11 2422 0012 Diesel Pump 1 44 1227 0015 Ring Nut 2 12 2422 0020 Diesel Pump Kit 45 0011 0003 Adapter M F 63 8 13 2000 0051 Nipple 1 4 M M 1 46 1209 0099 Copper Washer 14 1002 0079 Diesel Filter 1 47 1209 0097 Copper Washer
16. ectly into the nozzle unless it is disconnected from the spray wand HOT WATER OPERATION 1 Fill fuel tank with 1 8 gallons of 1 or 2 Diesel 2 Be sure trigger gun is locked in the OFF position and remove the nozzle wand assembly 3 Turn the unit on by pushing the pump switch on the control panel Once the unit starts squeeze the trigger gun ON for 2 minutes to purge all air and mineral deposits from the system 4 Turn the pump switch to OFF position release the trigger gun and lock in the OFF position Connect the nozzle wand assembly to the gun assembly To ensure you are in the high pressure mode turn the nozzle to the right 5 Turn the pump switch to ON position turn the burner knob located on the control panel to ON position 1 Squeeze the trigger gun to spray burner only fires when the trigger is squeezed 6 Do not allow the unit to operate in the bypass mode trigger not squeezed for more than 3 minutes Failure of pump packing may result 7 The unit is now ready to be used as a hot water pressure washer Squeeze the trigger gun to spray a high pressure stream and release the trigger to stop the stream 8 Cool down the heat exchanger by turning the burner knob OFF 0 position Allow unit to run with trigger in the squeezed ON position for at least 3 minutes NOTE On initial startup water will begin turning hot in 30 seconds reaching maximum temperature in 3 minutes
17. ergent Filter 9 3208 0705 Detergent Hose L 750 mm 10 2803 0267 Detergent Coupling 11 1210 0227 0 Ring 1 78x5 28 19
18. it the low pressure nozzle Apply the solution by spraying from low surface and move up use long overlapping strokes Applying from the bottom up helps avoid streaking Do not allow the detergent solution to dry on any surface Turn nozzle at the end of the wand to the right for the high pressure rinse mode It takes 30 seconds to purge all detergent from the system lines Start at the top and work down for the best rinsing results Rinse the detergent injector system by running 1 gallon of clean water through after each use This prevents corrosion or detergent residue that causes mechanical problems during later uses of your RANGER 157394 10 MAINTENANCE 10 11 12 13 14 15 Inspect and clean the water intake screen on the unit before each use Always be sure the unit is receiving the proper 120 volts Be certain the cord is equipped with the appropriate ground prong plug to ensure proper grounding Electrical cords and connections should not contact water Always follow STOPPING THE PRESSURE WASHER instruction outlined on page 10 of this manual Do not operate the unit in bypass mode trigger not squeezed for more than 10 minutes this will cause premature failure of the pump packings Only run pump with water supply turned on all the way Never allow pump to run dry Run a gallon of clean water through the injection line after each use This flushes out any corrosive chemicals and prevents residue from
19. l connections are secure before operating the unit Do not over tighten pressure washer adjustments excess pressure irregular unloader operation and wear may occur GENERAL SAFETY 17 Always wear safety glasses or goggles when operating the unit 18 19 20 21 22 23 24 25 Always point the wand away from people and animals High pressure streams will penetrate the skin Seek medical attention immediately if fluid penetrates skin Do not treat as a simple cut Always release system pressure after shutting off the pressure washer by squeezing the wand trigger Never leave the unit unattended with system still pressurized High pressure spray will shatter fragile materials Never spray directly at glass or other breakable objects Be firmly braced before squeezing the wand trigger on High pressure stream may cause loss of balance Never operate the pressure wand in high levels unless the proper safety equipment to prevent fails is in place Inspect pressure hose daily for signs of wear Never lay hose on the heat coil or drag over abrasive surfaces Replace hose and other components promptly when leaks or wear is discovered Never place your hand over a pressurized leak Repair any leaks before operating the unit Any fuel oil pump oil or water leaks should be serviced at your nearest Northern store or call customer service at 1 800 270 0810 Use only Northern parts for replacements in your pressure
20. ur hot water on a frozen pump a temperature change greater than 1 50 F can crack the water pump Again do not store the unit in a freezing environment ll TROUBLESHOOTING SYMPTOMS The water pump will not start The water pump will not enter in bypass The water pump does not reach maximum pressure Strong vibrations on the water pump The burner will not start Anormal noise of Diesel pump No detergent suction CAUSES The motor thermic protection is open The no return valve does not seal Leakage from the water system of the gun Nozzle worn Pressure ball or adjustment housing worn or spring broken Pressure valve gaskets worn Pistons seal gasket worn Nozzle holding head in position low pressure Water supply insufficient Alien matter under a check valve Diesel filter blocked Diesel nozzle blocked Worn or broken electrodes The pressure switch remains open Safety thermostat is open Low diesel High viscosity of the employed detergent Detergent filter blocked 12 REMEDIES Check the mains voltage 5 tolerance Check the phases in the plug are connected well Replace the valve or the gasket and check the pressure valve body wear Eliminate the leaks Replace the nozzle Replace the faulty part Replace the valve gaskets Replace the gaskets Turn the head on high pressure Check the water supply flow and the relative pressure 2 10 Check the water filter an
21. ut this manual 2 Be sure the motor switch is in the OFF position red button pushed 3 Ensure outlet is the proper voltage 120 volts 4 Insert the male power plug into a grounded AC outlet 5 Press and release the RESET button on the GFCI power cord 6 Press RESET each time after plugging the GFCI power cord into a power source COLD WATER OPERATION 1 After following all preparation instructions turn the water supply on 2 Turn the unit on by pushing the pump switch on the control panel Once the unit starts squeeze the trigger gun ON for 2 minutes to purge all air and mineral deposits from the system This operation is to be done without lance terminal end 3 Turn the pump switch to OFF position release the trigger gun and lock in the OFF position Fit the lance terminal end To ensure you are in the high pressure mode turn the nozzle holder to the right 4 Your RANGER 157394 is now ready to be used as a cold water pressure washer Turn the unit on by pushing the pump switch on the control panel Squeeze the trigger gun to spray a high pressure stream and release the trigger to stop the stream 5 Adjust pressure with the unloader valve to the desired pressure Do not allow the unit to operate in bypass mode with trigger released in the OFF position for more than 3 minutes Premature failure of pump packing may occur if left in bypass mode for longer than 3 minutes Never look dir
22. washer Other brand components may cause hazardous operating conditions and will void warranty DETERGENT SAFETY 26 27 28 29 Do not alter the soap injecting system on the unit or use it in any manner not described in this manual Always wear safety goggles when operating the unit and other safety attire recommended by the detergent manufacturer Protective clothing like rubber gloves rubber suits and respirators may by necessary Never use acid type cleaners or other highly corrosive detergents with this pressure washer Know your detergents Follow all appropriate instructions for preparation use safety and transportation of the detergent Keep all detergents away from children In an emergency tell the physician exactly what detergent you are using UNPACKING Closely inspect all the contents of the RANGER 157394 carton Damaged components Contact the freight company that delivered the unit and file a claim Missing components Contact our Customer Service department at 1 800 270 0810 ELECTRICAL REQUIREMENTS The supply and internal wiring of portable high pressure spray washing machines shall have ground fault circuit interpreter GFCI which is designed to protect people from line ground shock hazards National Electric Code NEC 1987 422 8 d 3 All equipment and power cords connected down line from the GFCI are protected GFCI does not protect against line to line or line to neutral faults
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