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Snap-On 870599 - User Manual

Snap-On 870599
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SNAP-ON
®
IS A TRADEMARK LICENSED BY SNAP-ON
®
CORP.,
U.S.A., WHICH DOES NOT MANUFACTURE OR
DISTRIBUTE THIS PRODUCT
. CONSUMER INQUIRES SHOULD BE
DIRECTED TO:
©COPYRIGHT 2009 ALLTRADE TOOLS, LLC.
1431 VIA PLA
T
A
LONG BEACH, CA 90810-1462 USA
870599 – 2700 PSI Portable Pressure W
asher_Rev 10/21/09
FOR CUSTOMER SERVICE
PARA EL SERVICIO
PARA EL CONSUMIDOR
1-888-278-8092
Printed in China
Impreso en China

Table of Contents

Questions and Answers

  • J
    Jacob WrightJul 31, 2025
    Why is there no pressure or low pressure in my Snap-On Pressure Washer?
    • T
      Tyler ThomasJul 31, 2025
      If your Snap-On Pressure Washer is experiencing no or low pressure, several factors could be the cause. Start by ensuring the spray wand is correctly set to high pressure. Insufficient water supply can also lead to this issue; ensure your water supply is at least 5 GPM @ 20 psi. Check the hose fittings for leaks and tighten them, using thread sealant tape if necessary. Also, inspect the nozzle and water filter screen for obstructions and clean them if needed. Trapped air in the hose can also cause pressure problems; squeeze the trigger to release any trapped air. Ensure that the choke lever is in the 'RUN' position and the throttle control lever is not in the fast position.
  • J
    julierangelAug 5, 2025
    Why does my Snap-On 870599 Pressure Washer engine shut down when running?
    • J
      James JonesAug 5, 2025
      If your Snap-On Pressure Washer engine shuts down while running, it could be due to a couple of reasons. First, check if the fuel tank is empty and fill it up if needed. Another possible cause is low engine oil. In this case, simply add oil to the engine.
  • T
    thorntonalanAug 15, 2025
    Why does my Snap-On 870599 Pressure Washer pump pulsate?
    • J
      James BowenAug 15, 2025
      If the Snap-On Pressure Washer pump pulsates, it might be due to an obstructed nozzle. Clean the nozzle to resolve this issue. Another potential cause is air in the system. Try squeezing the trigger to remove any trapped air.
  • K
    keithrodriguezAug 20, 2025
    Why won't my Snap-On 870599 Pressure Washer pump draw chemicals?
    • J
      Jennifer AndersonAug 20, 2025
      If the Snap-On Pressure Washer pump will not draw chemicals, ensure you are using the correct size spray nozzle. Check the chemical hose and filter for clogs and clean them if necessary. Make sure the chemical screen is fully submerged in the chemical solution. If the chemical solution is too thick, dilute it to the same consistency as water.
  • C
    collinsbrandyAug 25, 2025
    What to do if water is leaking at the spray gun/spray wand connection of my Snap-On 870599?
    • B
      Brandon HamiltonAug 26, 2025
      If you notice water leaking at the spray gun or spray wand connection of your Snap-On Pressure Washer, first check for worn or broken O-rings and replace them if necessary. Also, ensure that the hose connection is tight; tighten it if it's loose.
  • J
    Justin WhiteheadNov 9, 2025
    What to do if my Snap-On 870599 Pressure Washer engine will not start or runs rough?
    • C
      Charles BrewerNov 9, 2025
      If your Snap-On Pressure Washer engine will not start or starts and runs rough, there are several potential causes. First, make sure the Engine On/Off switch is in the “ON” position and the fuel valve is also in the “ON” position. Check the air cleaner for dirt and clean or replace it if necessary. Ensure that the fuel tank has fuel, and if the fuel is stale, drain the tank and carburetor and refill with fresh fuel. Verify that the spark plug wire is securely connected to the spark plug, and replace the spark plug if it is bad. Also, drain any water from the fuel tank and carburetor and refill with fresh fuel. If the engine is flooded, wait 5 minutes before re-cranking. Add oil if the engine oil is low, use recommended fuel and allow the engine to cool if it is too hot. Also, ensure that t...

Summary

GENERAL SAFETY

RECOGNIZE SAFETY SYMBOLS, WORDS AND LABELS

Understand hazard symbols, safety alerts, and labels for safe operation.

IMPORTANT INFORMATION ABOUT THIS MANUAL

Manual contains vital safety, operation, maintenance info. Keep for reference.

UNPACKING & INSPECTION

SAFETY WARNINGS

Important warnings to read before using the pressure washer.

GENERAL SAFETY RULES

General precautions for safe operation and maintenance.

SAFETY RULES FOR GASOLINE ENGINES

SYMPTOMS OF CARBON MONOXIDE POISONING

Recognizing symptoms like headache, dizziness, and coma from CO exposure.

ADDING OR DRAINING FUEL TO OR FROM THE ENGINE

Safe procedures for refueling, avoiding sparks and spills.

STARTING THE ENGINE

Proper technique to avoid kickback when starting the engine.

SAFETY RULES FOR PRESSURE WASHERS

RISK OF FIRE OR EXPLOSION

Storing fuel safely and operating in non-explosive areas to prevent fire.

WEAR PROPER APPAREL

Recommendations for clothing and accessories for safe operation.

SPECIAL REQUIREMENTS

RISK OF INJURY

High-pressure fluid can penetrate skin; use caution with nozzles and wands.

RISK OF FALLING

Slippery surfaces and kickback can cause falls. Ensure stable footing.

FUNCTIONAL DESCRIPTION

PRESSURE WASHER FEATURES

Identifies key components of the pressure washer with numbered labels.

ASSEMBLY; ATTACHMENTS

PRESSURE WASHER

Step-by-step guide for unpacking and assembling the pressure washer unit.

PRESSURE HOSE TO PRESSURE PUMP

Instructions for connecting the pressure hose to the pump outlet.

SPRAY WAND TO SPRAY GUN

How to connect the spray wand to the spray gun securely.

SELECTING THE RIGHT NOZZLE FOR THE JOB

NOZZLES TO SPRAY WAND

Instructions for attaching and detaching spray nozzles to the wand.

PREPARING THE PRESSURE WASHER

ADDING ENGINE OIL

Steps for correctly adding engine oil to the crankcase.

ADDING FUEL

Procedures for safely adding gasoline to the fuel tank.

STARTING

Sequence of steps to safely start the pressure washer engine.

OPERATING

USING THE SPRAY GUN

How to operate the spray gun trigger and use the trigger lock.

WASHING; CLEANING

Steps for washing and cleaning surfaces with the pressure washer.

USING CHEMICALS AND CLEANING SOLVENTS

Guidelines for applying detergents and cleaning solutions.

SHUTTING DOWN

Procedures for safely shutting down the pressure washer after use.

MAINTENANCE

ENGINE MAINTENANCE SCHEDULE

Chart detailing regular maintenance tasks and frequencies for the engine.

CLEANING NOZZLE

How to clean a clogged spray nozzle using the provided needle.

CLEANING WATER INLET SCREEN FILTER

Instructions for cleaning the water inlet screen filter.

STORAGE

ENGINE

Preparing the engine for storage, including fuel stabilization.

PRESSURE PUMP

Steps to protect the pressure pump seals during storage, especially in freezing temps.

PREPARING FOR USE AFTER STORAGE

Steps to take before using the pressure washer after it has been stored.

TROUBLESHOOTING GUIDE

Engine shuts down when running.

Probable causes and solutions for the engine stopping during operation.

Engine will not start; or starts and runs rough.

Troubleshooting steps for starting issues and rough engine performance.

Engine hunts” or falters.

Solutions for engine hunting or faltering due to carburetor issues.

GENERAL INFO

Gas

Information on using fresh gasoline and fuel stabilizers for storage.

Oil

Recommended types of oil for the engine and pump.

Water

Guidelines for water supply and pressure requirements.

SPECIFICATIONS

Max Pressure

The maximum pressure output of the pressure washer.

Max Water Flow

The maximum water flow rate of the pressure washer.

Pump Type

The type of pump used in the pressure washer.

1 YEAR LIMITED WARRANTY

WARRANTY PERFORMANCE

Process for obtaining warranty service and required documentation.

WARRANTY DISCLAIMERS

Exclusions and disclaimers of warranties beyond the limited warranty.

FEDERAL EMISSION CONTROL WARRANTY STATEMENT OWNERS RIGHTS AND RESPONSIBILITIES

MANUFACTURERS WARRANTY COVERAGE FOR EMISSION CONTROL SYSTEMS

Details warranty coverage for emission control components.

OWNER WARRANTY RESPONSIBILITIES

Owner's duties regarding maintenance and care for warranty validity.

CALIFORNIA EVAPORATIVE EMISSION CONTROL WARRANTY STATEMENT YOUR WARRANTY RIGHTS AND OBLIGATIONS

MANUFACTURERS WARRANTY COVERAGE

Explains warranty coverage for evaporative emission control systems.

OWNERS WARRANTY RESPONSIBILITIES

Outlines owner responsibilities for maintaining the evaporative emission system.

Snap-On 870599 Specifications

General IconGeneral
Model870599
CategoryPressure Washer
Power SourceGasoline
Hose Length25 ft
Nozzles0°, 25°, 40°, Soap

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