1 m157310ac.1 owner's manual instructions for set-up, operation, maintenance & storage h ot w ater /s team p ressure w asher – 3000 psi / 4 gpm portable outdoor-use only this pressure washer produces both cold and hot water high pressure spray as well as steam spray. Cleaning chemicals may be incorp...
Hazard signal word definitions 2 this is the safety alert symbol. It is used to alert you to potential personal injury hazards. Obey all safety messages that follow this symbol to avoid possible injury or death. Danger (red) indicates a hazardous situation, which if not avoided, will result in death...
Table of contents 3 about your pressure washer ................................................................................................................ 4 specifications ..............................................................................................................................
About your pressure washer 4 thank you for purchasing a northstar hot water pressure washer! Your machine is designed for long life, dependability, and the top performance you demand. This pressure washer is designed to: 1) produce a high-pressure steam spray or water spray (heated or unheated) – up...
Specifications 5 model model # 157310 flow output pressure rating 3000 psi flow rate 4 gpm maximum temperature 250 f dimensions / components length 64" width 33" height 44" weight 557 lbs. – dry 710 lbs. – fueled pump type cat 66dx engine horsepower 390cc engine and burner fuel tank sizes 8.75 gallo...
Component identification 6 ref # description ref # description 1 exhaust vent 9 control panel 2 pump 10 engine 3 battery box 11 burner 4 fuel filter/water separator 12 high pressure water outlet 5 gas cap 13 engine on/off key switch 6 gas tank 14 pump oil sight glass 7 fuel cap 15 hose hook 8 fuel t...
Safety labeling 7 5.) important! Turn heat switch to off position when not in use. Fig05420 always make sure safety labels are in place and in good condition. If a safety label is missing or not legible, order new labels or unsafe operation could result. To order replacement safety labels , call nor...
Special equipment safety features 8 high pressure safety device (rupture disc) warning-if the high-pressure safety device ever discharges water, turn the engine off and do not use the machine. The device will no longer function properly. See a dealer or call product support at 1-800-270- 0810. This ...
Assembly and initial set-up 9 steps for assembly / initial set-up step 1. Unpacking & delivery inspection step 2. Assembly step 3. Initial pump & engine preparation step 4. Battery installation each of these steps is discussed in the below: step 1. Unpacking & delivery inspection find and separate t...
Assembly and initial set-up 10 figure 3 honda manual qty: 1 nozzle qty 6 owner’s manual qty: 1 wheel retainer qty 4 grommet qty 6 5/16” nut qty 2 5/16” washer qty 8 5/16” x 2 ½ bolt qty: 2 4 ft. Braided hose strainer qty: 1 hose hook qty 1 m8 nylock nut qty 2.
Assembly and initial set-up 11 step 2. Assembly you must assemble your pressure washer before it can be used. See below: step 1. Fasten handles to frame with 5/16" x 2 1/2" bolts, 5/16" nuts and 2x 5/16" washers. Step 2. Press chemical injector onto one end of the braided hose. Press strainer onto o...
Assembly and initial set-up 12 a. Rear wheels have two people lift the back of the pressure washer by the handles while a third person slides the wheels onto the rear axle. Fasten each wheel with a wheel retainer using a hex wrench. B. Front wheels have two people lift the front of the pressure wash...
Assembly and initial set-up 13 step 4. Battery installation install a 12-volt standard lawn and garden battery (group u1) with a minimum 18 amp- hour rating. The engine will run, but the burner will not fire unless a battery is installed. The battery is to be supplied by the customer and should be i...
Moving and handling 14 warning the pressures washer is heavy. It can crush and cause serious injury if it rolls out of control or tips over. Follow the instructions below for safely moving the pressure washer. Moving and handling moving your pressure washer around 1. Use the handle to manually move ...
Before each use 15 follow the steps below prior to each use of the pressure washer. Steps to follow before each use step 1. Check equipment step 2. Add fuel(s) step 3. Select suitable worksite step 1. Check equipment check/add pump oil check/add pump oil . Caution: never run the pump without suffici...
Before each use 16 1) check hoses, fittings, wand, trigger gun and connections for signs of wear, cracks, looseness, or leaks. Replace as required. 2) check and clean the nozzle orifice. 3) clean inlet filter. (see maintenance instructions) inspect fuel system always inspect (engine and burner) fuel...
Before each use 17 note: a running or still-hot engine or burner is hot enough to ignite fuel. 2) fill fuel tank outdoors – never indoors. Fuel vapors can ignite if they collect inside an enclosure and explosion can result. 3) stay away from all sources of heat, sparks, and flames. Do not smoke. 4) ...
Before each use 18 step 3. Select suitable outdoor worksite before using the pressure washer, you must understand the criteria for selecting a suitable location for operation. Note that this pressure washer is for outdoor use only. Warning : you must choose a suitable site for operating your pressur...
Before each use 19 warning : never attempt to attach ductwork to the engine muffler or burner exhaust to allow for installation inside an enclosure. This could cause hot air deflection, heat build-up, and increased exhaust backpressure, resulting in possible exhaust leakage or overheating and damage...
Operation 20 after you have checked and fueled the equipment and positioned it in a suitable worksite, it is time to start your pressure washer. The following are the procedures necessary for safe, successful operation of your pressure washer. Warning carefully read and make sure you understand all ...
Operation 21 including homes, garages, basements, sheds, boxes, pick-up truck beds, rvs, or boats. These spaces can trap poisonous gases, even if you run a fan or open windows. Attach garden hose to water supply acquire a suitable garden hose and attach to the water supply. 1. Acquire a suitable gar...
Operation 22 3. Release the collar, making sure it springs back and re-seats to its original (non-retracted) position. (figure 8b). Check the connection by pulling on the hose to ensure a positive connection. Select spray nozzle your pressure washer is equipped with five high-pressure nozzles and on...
Operation 23 1. Make sure the engine is off and the hose line depressurized. 2. To install the nozzle, pull the collar back and twist the nozzle firmly into the coupler on the end of the wand. (figure 9a) figure 9a 3. Release the collar, making sure it springs back and re-seats to its original (non-...
Operation 24 it protects the pump from damage because no chemical passes through the pump. Caution: certain chemicals, such as bleach or those containing muriatic acid, will cause pump damage if introduced upstream through the pump's water inlet. It mixes the cleaning chemical into a low-pressure sp...
Operation 25 4. Submerge the suction strainer connected to the braided chemical hose into a bucket containing the chemical solution. See figure 10. Step 3. Spraying safety rules for operation before starting the pressure washer, review the following general safety rules for operation: conditions for...
Operation 26 injury. No load bearing . 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. Lock trigger safety latch when not spraying . Spray gun is equipped with a built-in trigger safety latch to guard a...
Operation 27 start engine start the engine to power the pump. 1. Make sure water supply is connected and primed. Caution: 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 positio...
Operation 28 caution: do not run the machine in hot mode without fuel in the burner's fuel tank, or damage can occur. 3. Make sure the engine throttle is all the way open. If it is not, the engine will not supply adequate voltage to the burner, resulting in smoke coming from the heat exchanger durin...
Operation 29 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...
Operation 30 warning : do not attempt to alter the unloader valve's maximum pressure. Excess pressure could cause serious injury from escaping high-pressure fluids and/or pump damage. Any alteration other than turning the adjustment knob will void your warranty. If temporarily interrupting spraying,...
Operation 31 step 4. Stopping stop the engine using the following steps: warning: never disconnect the high-pressure hose from the pump or spray gun while the system is pressurized. Relieve pressure by squeezing the spray gun trigger after the engine is turned off. 1. If the heater was used, turn he...
Storage 32 choose a storage location choose a storage location that is: o clean and dry. O away from sources of heat, open flames, sparks, or pilot lights, even if the pressure washer's engine and burner fuel tanks are empty. Residual fuel fumes from tank can ignite. O away from extreme high or low ...
Storage 33 3. Attach the 12” garden hose piece with the funnel to the pump inlet. Pour rv antifreeze into the funnel, then turn starter (or pull the recoil) a few times until antifreeze comes out of the pump outlet. Prepare engine for long term storage (if storing more than 30 days) first prepare th...
Burner adjustment 34 oil burner adjustment (only needed if white exhaust smoke appears) the oil burner is preset and performance tested at the factory (elevation 1100 feet). Different altitudes may require a one-time initial burner adjustment. Caution: if white smoke appears from the burner exhaust ...
Burner adjustment 35 6. Now fine tune the burner air by adjusting the shutter: a. Locate the shutter as shown in figure 14 below. The shutter is a thin circular metal plate located on the outside of the air band. The shutter adjusts independently from the air band and is used to fine-tune the amount...
Maintenance and repair 36 inspect and maintain your pressure washer as specified below in order to keep it in safe and optimal working order. Follow all safety rules and recommended maintenance instructions. Warning always shut off water supply, bleed water pressure, turn off engine and disconnect t...
Maintenance and repair 37 repair parts. Replacement parts that do not meet specifications may result in a safety hazard or poor operation of the pressure washer and will void the warranty. Keep pressure washer clean keep pressure washer clean. If dust or debris accumulates on the pressure washer, cl...
Maintenance and repair 38 bad exposed wire mesh due to wear water dripping or spraying, or localized moisture good bad figure 15 clean inlet filter clean the inlet filter before each use. Warning : when cleaning filters, check whether dangerous chemicals have been used with the filter and take any p...
Maintenance and repair 39 recharge and maintain battery inspect, recharge, and maintain battery according to your battery manufacturer's instructions. Do not store with battery charger always connected. Batteries that are over- charged can boil themselves dry and produce excessive amounts of hydroge...
Maintenance and repair 40 maintain burner's fuel filter/water separator drain water from burner's filter bowl as needed, and replace filter after every 500 hours of use or as needed. 1) after each use of the burner, visually check the filter bowl. If any water has accumulated, drain it via the water...
Maintenance and repair 41 7) dispose of the cleaning solution where it is not harmful to animals or the environment. 8) flush with fresh water and clean the inlet strainer when finished. Cleaning flow switch inspect and clean the flow switch as needed mineral build-up and/or debris within the flow s...
Maintenance and repair 42 3) unthread the removable outlet fitting with the swivel still attached from the flow switch assembly 4) remove the shuttle 5) clean the inside of the brass flow switch body and the shuttle with water and a soft brush 6) insert the shuttle into the brass flow switch in the ...
Maintenance and repair 43 1) wear protective clothing, goggles, and gloves. 2) disconnect high-pressure hose on inlet side of coil and thermostat on outlet side of coil. 3) remove the lid and insulation lid from the heating chamber and hoist the coil out. Be careful, the coil weighs 125 lbs. 4) clea...
Maintenance and repair 44 note to commercial users: all mechanical equipment, no matter how well 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 suppo...
Troubleshooting 45 engine will not start causes solutions low oil shutdown fill engine with the adequate amount of oil. Cold engine choke engine to start. No fuel add gas to fuel tank, make sure fuel shutoff valve is open. Dead battery recharge/replace battery. Spark plug wire not attached attach sp...
Parts explosion m157310 – rev ac 46.
Parts explosion m157310 – rev ac 47 ref# part # description qty ref# part # description qty 1 790029 outer frame 1 49 30825 1.0" iso mount cr50 4 2 789546 decal, instructions 1 50 778219 iso-mount plate 1 3 791574 fuel tank (yellow) 1 51 778228 iso support bar 1 4 784769 sealed fuel cap 1 52 777232 ...
Pump explosion – rev ac 48.
Summary of important safety information 49.
Summary of important safety information 50 this section provides a summary of the various safety procedures and measures that have been presented throughout the manual. Keep this summary handy and refer to it to refresh your memory about how to safely use your pressure washer. Warning carefully read...
Summary of important safety information 51 prevent carbon monoxide poisoning – use outside only! Exhaust fumes from both the engine and the burner contain carbon monoxide (co), a poisonous gas you cannot see, smell, or taste. The co generated by the pressure washer can rapidly accumulate, even in ar...
Summary of important safety information 52 - never run the machine without sufficient lubrication or sufficient water to cool the pump. - never operate unless all safety guards are in place. Position safely . Place sprayer on firm, level ground to prevent accidental falls and equipment tip-over. Not...
Summary of important safety information 53 always wear protective gloves when handling and cleaning with chemicals. When cleaning filters, check whether dangerous chemicals have been used with the filter and take any precautions that may have been recommended by the supplier of these chemicals. Alwa...
Limited warranty 54 dear valued customer: the northstar product you just purchased is built with the finest material and craftsmanship. Use this product properly and enjoy the benefits from its high performance. By purchasing a northstar product, you show a desire for quality and durability. Like al...
55 this page has intentionally been left blank..
56 manufactured by northern tool + equipment co., inc. Burnsville, mn 55306 northerntool.Com.
