North Star 157305 Owner's Manual

Manual is about: Electric Hot Water/Steam Pressure Washer

Summary of 157305

  • Page 1

    1 m157305y owner’s manual electric hot water/steam pressure washer instructions for set-up, operation, maintenance & storage this pressure washer produces cold or hot water high-pressure spray as well as steam spray. Cleaning chemicals may be incorporated into the spray if desired. The pressure pump...

  • Page 2: Table of Contents

    2 table of contents equipment protection quick facts ........................................................................................................................................ 1 table of contents .............................................................................................

  • Page 3

    3 step 3. Spraying .................................................................................................................................................................... 17 starting ...........................................................................................................

  • Page 4: About Your Pressure Washer

    4 about your pressure washer thank you for purchasing a northstar hot water pressure washer! It is designed for long life, dependability, and top performance. Intended use. Washing siding, windows, walkways, driveways, patios, decks, fences, vehicles, boats, lawnmowers, atvs and other equipment by: ...

  • Page 5: Specifications

    5 specifications model model # 157305 157306 157307 157308 flow output pressure rating 1700 psi 2700 psi 2000 psi 2750 psi flow rate 1.5 gpm 2.5 gpm 1.5 gpm 2.5 gpm maximum temperature 250 f power requirements dedicated nema receptacles 5-20r 6-30r 5-20r 6-30r volts 115v 230v 115v 230v amps 20a 30a ...

  • Page 6: Component Identification

    6 component identification 1. Exhaust vent: provides an exit for burner exhaust gases. 2. High pressure water outlet: a passage for water to exit pump and enter the hose. 3. Motor: electric motor powers the pump. 4. Burner: the oil burner is preset and performance tested at the factory. The burner m...

  • Page 7

    7 11. Power switch: flip up for on. 12. Thermostat: controls power to fuel solenoid for firing. 13. Control panel: power switch (reference 15), thermostat (reference 16) and nozzle storage (reference 18) are located on control panel. 14. Nozzle storage: control panel (reference 17) has space for sto...

  • Page 8

    8 special equipment safety features this unit is equipped with the following safety features: high pressure safety device (rupture disc) acts as a backup safety feature. If the pressure control valve (unloader) malfunctions, this separate high- pressure safety device will open and relieve excess sys...

  • Page 9: Safety

    9 safety hazard signal word definitions danger warning caution caution notice 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 situatio...

  • Page 10: Safety Decal Locations

    10 chemical nozzle 0° nozzle 25° nozzle 15° nozzle 40° nozzle steam nozzle ® ® 2005 nt+e co. 800-270-0810 risk of electrocution 1. Connect only to properly grounded outlet. Do not remove ground pin. 2. Inspect cord before using - do not use if cord is damaged. 3. Keep all connections dry and off the...

  • Page 11: Assembly And Initial Set-Up

    11 assembly and initial set-up step 1. Inspect & unpack inspect pressure washer immediately after delivery for missing parts or damage. Find and separate components identified in figure 4 and figure 5. For missing or damaged components, contact product support at 1-800-270-0810. Figure 4 – pressure ...

  • Page 12

    12 (nfpa 70) and to provide additional protection from the risk of electric shock. Note: before use, your gfci should be tested at either built-in or receptacle base. 1. For a product rated at 125 volts or less, the gfci is build into the power cord plug. This gfci device provides additional protect...

  • Page 13: Before Each Use

    13 before each use follow the steps below prior to each use. Step 1: inspect equipment electrical inspect cord before using. Do not use if cord is damaged. Connect only to properly grounded outlet. Keep all connections dry and off the ground. Do not touch plug with wet hands. If product is provided ...

  • Page 14

    14 filling burner fuel tank (if heated water to be used) warning: flammability hazard burner fuels are highly flammable. Turn the machine off and allow it to cool for at least 2 minutes before removing fuel cap; as a running or still hot burner is hot enough to ignite fuel. After machine has cooled:...

  • Page 15: Operation

    15 for indoor hot water/burner use exhaust: hot fumes from burner must be exhausted through a hood or piped to the outside. Place the unit so that the exhaust fumes will not be directed towards people or building air intakes. Precautions: keep a fire extinguisher rated “abc” nearby. Keep it properly...

  • Page 16

    16 figure 9a figure 9b figure 9c selecting and connecting spray nozzle five high-pressure nozzles and one low-pressure nozzle are supplied. Note: a wider angle produces a lower impact pressure on surface. Nozzles from other sources may not fit the coupler and become a hazard. Color of nozzle: spray ...

  • Page 17

    17 unloader personal protective gear warning: high pressure spray hazard high-pressure spray can injure eyes/skin. Hot water can burn. Flying objects and debris can cause injury. Serious injection injury can result if high-pressure spray penetrates the skin. When operating the machine, wear: waterpr...

  • Page 18

    18 strainer chemical injector diluted chemical caution: chemical mixture the special northstar braided chemical hose when placed within a liquid and attached at the pump’s chemical injection port will inject 1 part chemical to 15 parts water. Chemicals must be pre-diluted in accordance to instructio...

  • Page 19: Storage

    19 danger: carbon monoxide poisoning hazard exhaust fumes from 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 areas that appear to be well ventilated, resulting in dangerous and fatal c...

  • Page 20: Maintenance & Repair

    20 maintenance & repair warning: maintenance hazards always shut off water supply, bleed water pressure, turn off motor and unplug electrical cord before cleaning, adjusting, or servicing the pressure washer. After servicing, make sure all guards and cover shields are replaced before using. Follow a...

  • Page 21

    21 figure 15 – hose inspection carefully check hoses, fittings, wand, trigger gun and connections for signs of wear, cracks, looseness, or leaks. Replace before use if damaged or not functioning properly. Check and clean the orifice of nozzle to be used. Clean inlet filter for garden hose unscrew ga...

  • Page 22

    22 attach high-pressure hose(s) to machine’s high- pressure water outlet. Do not hook up the spray gun. Place other end of high-pressure hose(s) in the 5- gallon bucket. Attach a short length of garden hose to garden hose inlet on the pump. Prime pump by filling short garden hose with water (a funne...

  • Page 23

    23 lid insulation cap heating coil heating chamber figure 20 – heating chamber interior reattach high-pressure hose and thermostat and make sure all fittings are tight before using machine. Inspect/clean/adjust electrodes inspect electrodes annually and make adjustments as needed. Tip machine back u...

  • Page 24

    24 oil burner adjustment (only needed if white exhaust smoke appears) the oil burner is preset and performance tested at factory elevation of 1100 feet. Different altitudes may require a one-time initial burner adjustment. Caution: improper fuel-air mixture if white smoke appears from the burner exh...

  • Page 25: Troubleshooting

    25 troubleshooting pressure washer will not run at all - no power causes solutions machine turned off turn pump switch on line circuit breaker tripped check for tripped circuit breaker in building circuit breaker trips causes solutions voltage too low check the voltage circuit breaker overloaded mak...

  • Page 26: Parts Explosion– Rev Y

    26 parts explosion– rev y.

  • Page 27: Parts List– Rev Y

    27 parts list– rev y item part # description qty model item part # description qty model 37 38509 threaded gun hook 2 all 1 38525 50’ pw hose assy 1 all 38 38510 threaded hose hook 3 all 2 777914 quick couple, 3/8” fpt 1 all 39 777111 grommet 1 all 3 777915 quick couple nipple, 3/8” fpt 1 all 40 780...

  • Page 28: Pump Explosions

    28 pump explosions item part # description qty model 1 790693 comet axd 1617e gh 1 157305 790550 comet axd 2527ge-nh 1 157306 791327 cat 4dx 1 157307 789205 cat 4dnx 1 157308 2 35918 thermal protector, 1/4” 1 157307, 157308 6 777837 3/8 plug 1 157307, 157308 7 777411 3/8” tee 1 157307, 157308 8 3859...

  • Page 29

    29 comet axd 1617e gh pump exploded view.

  • Page 30

    30 comet axd 1617e gh pump exploded view ref # part # description qty ref # part # description qty 1 co3202001800 cap 1 39 co3200001700 port plug, axd comet pump 1 2 co3609001400 screw, m8 x 55 4 40 co2409009100 piston check valve kit,axd unl 1 3 co3218032700 manifold 1 41 co1210046000 o-ring 1 4 co...

  • Page 31

    31 comet axd 2527ge-nh pump exploded view.

  • Page 32

    32 comet axd 2527ge-nh pump exploded view ref # part # description qty ref # part # description qty 1 co3202001800 cap 1 39 co3200001700 port plug, axd comet pump 1 2 co3609001400 screw, m8 x 55 4 40 co2409009100 piston check valve kit,axd unl 1 3 not available manifold 1 41 co1210046000 o-ring 1 4 ...

  • Page 33: Cat 4Dx Pump Exploded View

    33 cat 4dx pump exploded view.

  • Page 34: Cat 4Dx Pump Exploded View

    34 cat 4dx pump exploded view ref# p/n description qty ref# p/n description qty 5 not available screw 3 197 ca941516 inlet fitting assembly 1 8 ca547153 bearing cover 1 255 ca30516 bolt mount assembly 1 10 ca14041 o-ring, bearing cover 1 401 ca32088 handle adjustable (not shown) 1 11 ca55337 oil sea...

  • Page 35

    35 cat 4dnx pump exploded view ref# p/n description qty ref# p/n description qty 5 not available screw 3 106 kit #1 seal 3 8 ca547153 bearing cover 1 120 not available seal case 3 10 ca14041 o-ring, bearing cover 1 121 ca13976 o-ring for seal case 3 11 ca55337 oil seal 1 125 kit #1 seal 3 15 ca14488...

  • Page 36: Wiring Diagrams

    36 wiring diagrams.

  • Page 37

    37.

  • Page 38

    38.

  • Page 39: Limited Warranty

    39 limited warranty 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...

  • Page 40

    40 manufactured by northern tool + equipment co., ltd burnsville, mn 55306 northerntool.Com.