North-star M157594I User Manual

M157595W.21 Owner's Manual Instructions for Set-up, Operation, Maintenance & Storage TRAILER MOUNTED, HOT WATER PRESSURE WASHER 4000 P

Special Equipment Safety Features 10 High Pressure Relief Valve WARNING: If the high-pressure relief valve ever discharges water, turn the engi

Assembly and Initial Set-Up 11 Steps for Assembly / Initial Set-Up Step 1. Unpacking & Delivery Inspection Step 2. Trailer Assembly Step 3. In

Assembly and Initial Set-Up 12 Figure 3 – Hardware Bag contents 5/16 Flat Washer Qty-8 Part # 82099 1/2

Assembly and Initial Set-Up 13 Step 2. Trailer Assembly WARNING: The pressure washer is heavy. It can crush and cause serious injury if it rol

Assembly and Initial Set-Up 14 Step 2. Trailer Assembly (continued) 14.) Attach coupler to a-frame with two 1/2x4" bolts and Class G

Assembly and Initial Set-Up 15 Step 3. Initial Pump & Engine Preparation Prepare Water Pump Verify pump oil level. Note: The pump is shipped

Assembly and Initial Set-Up 16 Step 4. Battery Installation Install a 12-volt standard automotive battery (Group 75) with a minimum 18 amp-hour ratin

Moving and Towing 17 WARNING The filled pressures washer is heavy. It can crush and cause serious injury if it rolls out of control or tips over.

Moving and Towing 18 Attach safety cables Two safety cables must be used while towing. Cross safety cables under the coupler, allowing only enough sl

Before Each Use 19 Follow the steps below prior to each use of the pressure washer. Steps to Follow Before Each Use Step 1. Check Equipment Step

Hazard Signal Word Definitions 2 Equipment Protection Quick Facts Inspect Upon Delivery STOP! Closely inspect to make sure no com

Before Each Use 20  Never attempt to repair a high-pressure hose or component – Always replace it with a part that is rated at or above the pressur

Before Each Use 21 Always follow these general safety rules when fueling: 1) Turn pressure washer off and allow to cool for at least two minutes be

Before Each Use 22 4) Wipe any excess fuel from unit before starting Step 3. Select Suitable Outdoor Worksite Before using the pressure washer, yo

Before Each Use 23 Never attempt to attach ductwork to the engine muffler or burner exhaust to allow for installation inside an enclosure. This coul

Operation 24 After you have checked and fueled the equipment and positioned it in a suitable worksite, it is time to start your pressure washer. Th

Operation 25 Connect your water supply If using tap water: Follow these instructions when supplying water from a pressurized source such as city tap

Operation 26 If using water tank: Follow these instructions when supplying water from the feed tank: 1. Ensure that you have the tank feed ball va

Operation 27 3. Release the collar, making sure it springs back and re-seats to its original (non-retracted) position. (Figure 8b). Check the con

Operation 28 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

Operation 29 low pressure adhere better to the surface being cleaned, allowing the formula time to react and remove dirt more effectively. Note: An

Table of Contents 3 About Your Pressure Washer ... 4 Speci

Operation 30 4. Submerge the suction strainer connected to the braided chemical hose into a bucket containing the chemical solution. See Figure 10.

Operation 31 well as hose whipping. Avoid sharp objects. Keep hose away from sharp objects. Bursting hoses may cause injury. No load bearing. Do n

Operation 32  Purge air from the water supply hose by squeezing the trigger until a steady stream of water flows out of the nozzle at low pressure.

Operation 33 3. You can apply chemicals with either warm or cold water. Check chemical label. If warm water is specified, start burner according t

Operation 34 the "Oil Burner Adjustment Instructions" step in the "Set-Up" section of this manual. 5. When the trigger is rel

Operation 35 pressure first and follow instructions for attaching a nozzle). 2. Clear the cleaning area of all persons. Keep children and pets away

Operation 36 9. If temporarily interrupting spraying, rotate trigger safety latch downward to the locked position to guard against accidental trigge

Storage 37 Storage When you are finished using the pressure washer, you must prepare the sprayer for storage and store it in a proper location. Note

Storage 38 3. Using a wrench, disconnect the plumbing that connects to the heating coil inlet. The water will flow out of the heating coil. This w

Storage 39 d. Replace spark plug, but do not reconnect the spark plug wire. Prepare pressure washer for storage Prepare the pressure washer for stor

About Your Pressure Washer 4 Thank you for purchasing a NorthStar hot water pressure washer! Your machine is designed for long life, dependability,

Burner Adjustment 40 Oil Burner Adjustment (only needed if white exhaust smoke appears) The oil burner is preset and performance tested at the

Burner Adjustment 41 5. Slowly open the air band until white smoke just starts to appear. 6. Turn air band halfway back to the black smoke position

Maintenance & Repair 42 Inspect and maintain your pressure washer as specified below in order to keep it in safe and optimal working order. Foll

Maintenance & Repair 43 270-0810.  Replacement parts. If a part needs replacement, only use factory approved repair parts. Replacement parts

Maintenance & Repair 44 Clean water filter Clean the water filter before each use. WARNING: When cleaning filters,

Maintenance & Repair 45 Recharge and maintain battery Inspect, recharge, and maintain battery according to your battery manufacturer's instr

Maintenance & Repair 46 Maintain burner's fuel filter/water separator Drain water from burner's filter bowl as needed, and replace filt

Maintenance & Repair 47 Figure 18 Inspect heating coil and desoot as needed Inspect and desoot coil annually. Most coils never re

Maintenance & Repair 48 Inspect electrodes Inspect electrodes yearly and make adjustments as needed. 1) Remove the 4 nuts that attach the burne

Maintenance & Repair 49 NOTE TO COMMERCIAL USERS: All mechanical equipment, no matter how well designed, will need maintenance and repairs. A

Specifications 5 MODEL Model # 157595 FLOW OUTPUT Pressure Rating 4000 psi Flow Rate 4 gpm Maximum Temperature 210 F DIMENSIONS / COMPONENTS Length

Troubleshooting 50 Any Questions, Comments, Problems, or Parts Orders Call NorthStar Product Support 1-800-270-0810 Engine Will Not Start Causes Sol

Parts Explosion 157595 – Rev W.2 51

Parts Explosion 157595 – Rev W.2 52 REF PART # DESCRIPTION QTY REF PART # DESCRIPTION QTY 1 783394 Honda engine 18hp 1 64 783029 Gasoline tank 1

Parts Explosion 157595 – Rev W.2 53 REF PART # DESCRIPTION QTY REF PART # DESCRIPTION QTY 1 783427 Hose Reel 2 21

Pump Explosion 54

Wiring Diagram 55

Summary of Important Safety Information 56 This section provides a summary of the various safety procedures and measures that have been presented th

Summary of Important Safety Information 57 Installation / Initial Set-up  Level, heat-resistant surface. Situate pressure washer on a firm, level,

Summary of Important Safety Information 58 o Allow for wider turns and for more distance to stop. o Avoid any sudden steering maneuvers, starts,

Summary of Important Safety Information 59  Use two hands. Pressure washer spray gun kicks back when triggered. Firmly grasp with two hands.  S

Component Identification 6 Ref # Description Ref # Description Ref #

Summary of Important Safety Information 60  Relieve water pressure. Always stop the product and relieve system pressure before leaving the sprayer

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Limited Warranty 62 Dear Valued Customer: The NorthStar Product you just purchased is built with the finest material and craftsmanship. Use this p

63 Manufactured by Northern Tool + Equipment Co., Inc. Burnsville, MN 55306 NorthernTool.co

Component Identification 7 REFERENCE GUIDE 1. Unloader Valve that regulates pressure and directs flow into bypass when trigger is closed. 2.

Safety Labeling 8 Always make sure safety labels are in place and in good condition. If a safety label is missing or not legib

Safety Labeling 9 On-Product Warning Labels Ref # Part # Description 1 782325 Danger & Warning 2 305410 Caution Hot 3 777721 Operating Instructio