Generac Portable Products 2100PSI - User Manual

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Pressure Washer Owner’s Manual

2100PSI

Model No. 1439-0 (2100 PSI Pressure Washer) Manual No. B5700 Revision 3 (06/19/2002)

Questions? Help is just a moment away!

Call: Generac Pressure Washer Helpline - 1-800-270-1408 M-F 8-5 CT

Web: www.generac-portables.com

Questions and Answers

H
Hannah ReynoldsAug 16, 2025
Why is my Generac Portable Products Pressure Washer pump not building pressure?
- J
  John WallsAug 17, 2025
  If your Generac Portable Products Pressure Washer pump isn't producing pressure, has erratic pressure, chatters, loses pressure, or has low water volume, several issues could be the cause. First, ensure the nozzle is in high pressure mode by pulling it backward. Check for and clear any blockages in the water inlet, and ensure an adequate water supply. Straighten any kinks in the inlet hose and patch any leaks. Inspect and clean the inlet hose strainer. Make sure the water supply isn't over 100°F; if it is, use a cooler supply. Clear any blockages or leaks in the high pressure hose. If the gun leaks, it may need to be replaced. Clean any obstructions in the nozzle. If none of these steps resolve the issue, the pump may be faulty, and you should contact a Generac service facility.
H
Hannah HartAug 19, 2025
What to do if my Generac Portable Products Pressure Washer won't start?
- J
  Joshua PenaAug 19, 2025
  If your Generac Portable Products Pressure Washer engine won't start or runs roughly, check the following: 1. Ensure the oil level is adequate and fill if low. 2. Clean or replace the air cleaner if it's dirty. 3. Fill the fuel tank with gasoline if it's empty. 4. Drain the tank and refill with fresh fuel if the gasoline is stale or contaminated with water. 5. Make sure the spark plug wire is connected properly. 6. Replace the spark plug if it's bad. 7. If the engine is overchoking, fully open the choke and crank the engine. For excessively rich fuel mixtures, intake valve issues, or loss of compression, contact a Briggs service facility.
J
Joshua RobertsonAug 22, 2025
Why does my Generac Portable Products Pressure Washer engine shut off?
- N
  Nicolas WalterAug 22, 2025
  If your Generac Portable Products Pressure Washer engine shuts down during operation, check if the fuel tank is empty and fill it if necessary. Also, verify the oil level and fill the crankcase to the proper level if it's low.
E
Ethan JamesAug 25, 2025
How to fix detergent not mixing in my Generac Portable Products 2100PSI Pressure Washer?
- V
  Victoria SmithAug 25, 2025
  If the detergent is not mixing with the spray of your Generac Portable Products Pressure Washer, make sure the detergent siphoning tube is submerged in the detergent. Also, check the chemical filter and clean or replace it if it's clogged. Ensure the nozzle is in low pressure mode by pushing it forward.
C
Christina PerkinsAug 27, 2025
Why does my Generac Portable Products Pressure Washer engine lack power?
- A
  Angela NobleAug 27, 2025
  If your Generac Portable Products Pressure Washer engine lacks power, the air filter may be dirty and need replacement.
J
Jose RiveraAug 30, 2025
What to do if Generac Portable Products Pressure Washer bogs down under load?
- J
  James SampsonAug 30, 2025
  If your Generac Portable Products Pressure Washer engine runs well without a load but bogs down when a load is added, move the throttle control to the FAST position. If the engine continues to bog down, contact a Briggs service facility.
Y
yarnoldSep 2, 2025
How to stop Generac Portable Products 2100PSI engine from faltering?
- B
  Brian WigginsSep 2, 2025
  If the engine of your Generac Portable Products Pressure Washer "hunts" or falters, try moving the choke to the halfway position until the engine runs smoothly. This issue may arise if the choke is opened too soon.
M
Miranda MaldonadoSep 12, 2025
Why Generac Portable Products Pressure Washer detergent fails to mix with spray?
- P
  Patrick TorresSep 12, 2025
  If the detergent is not mixing with the spray in your Generac Portable Products Pressure Washer, it could be due to: * The detergent siphoning tube not being submerged (insert the tube into the detergent). * A clogged chemical filter (clean or replace the filter/detergent siphoning tube). * A dirty in-line filter (see 'Check In-Line Filter' on page 12). * The nozzle being in high pressure mode (push the nozzle forward for low pressure mode).
Y
youngelizabethSep 13, 2025
How to fix Generac Portable Products 2100PSI engine bogging down under load?
- R
  ruizmatthewSep 13, 2025
  If your Generac Portable Products Pressure Washer engine runs well without a load but bogs down when a load is added, the engine speed may be too slow. Try moving the throttle control to the FAST position. If the engine still bogs down, contact a Briggs service facility.

Summary

Safety Rules

Gasoline Flammability Warning

Warns about gasoline's flammability, explosiveness, and fire risks.

Fueling Safety Guidelines

Provides instructions for safe refueling of the pressure washer.

Operating Equipment Safety

Outlines safe practices during equipment operation.

Transport and Repair Safety

Details safety precautions for moving and servicing the equipment.

Gasoline Storage Safety

Advises on the safe storage of gasoline and related equipment.

Electrical Shock Hazard

Alerts to the electrocution risk from water spray contacting electrical wiring.

High Pressure Stream Hazard

Warns about the piercing nature of high-pressure water streams and potential injury.

Fall Hazard Warning

Warns about falling due to slippery surfaces or recoil from the spray.

Entanglement Hazard Warning

Alerts to the risk of entanglement with rotating parts.

Flying Particles Warning

Warns that spray can cause paint chips or particles to become airborne.

Carbon Monoxide Danger

Highlights the danger of carbon monoxide poisoning from engine exhaust.

Electrical Shock Warning

Warns about unintentional sparking causing fire or electric shock.

Repair Safety - Spark Plug Wire

Instructs to disconnect spark plug wire before performing repairs.

Operating Speed Caution

Hot Surface Warning

Warns about burns from hot engine surfaces.

Fragile Item Damage Caution

Assembly

Preparing Pressure Washer For Use

Add Gasoline

Safety warnings and instructions for adding gasoline to the fuel tank.

Add Engine Oil

Important notes and instructions for adding engine oil.

Connect Hose and Water Supply to Pump

Instructions for connecting hoses and water supply to the pump before starting.

Connect High Pressure Hose to Spray Gun

Connect High Pressure Hose to Water Outlet

Connect Garden Hose to Water Inlet

Checklist Before Starting Engine

A pre-operation checklist to ensure readiness before starting the engine.

Operation

How to Start Your Engine

Step-by-step instructions for starting the pressure washer engine for the first time.

How to Stop Your Pressure Washer

How to Use the Adjustable Nozzle

Applying Detergent with Adjustable Nozzle

Pressure Washer Rinsing

Automatic Cool Down System

Product Specifications

Before Each Use

Pressure Washer Maintenance

Check and Clean Inlet Screen

Check High Pressure Hose

Check Detergent Siphoning Tube

Cleaning Detergent Siphoning Tube

Maintenance

Check Gun and Adjustable Nozzle Extension

Check In-Line Filter

Purge Pump of Air and Contaminants

Nozzle Maintenance

Preparing the Unit For Storage

Protecting the Pump

Troubleshooting

Pump Problems

Diagnosing and correcting issues with pump pressure and volume.

Detergent Fails to Mix with Spray

Engine Runs Good at No-Load but Bogs

Engine Will Not Start or Runs Rough

Diagnosing and resolving issues with engine starting and running performance.

Engine Shuts Down During Operation

Troubleshooting common causes for the engine shutting down unexpectedly.

Engine Lacks Power

Identifying reasons for the engine not performing at its full capacity.

Engine Hunts or Falters

Resolving issues where the engine speed is inconsistent.

Exploded View - Pump

Limited Warranty

About Your Equipment Warranty

Generac Portable Products 2100PSI Specifications

General

Max Pressure	2100 PSI
Flow Rate	1.2 GPM
Engine Type	OHV
Nozzle Quantity	3
Hose Length	25 feet
Nozzle Types	Soap
Engine	Generac

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