OPERATION

NOTE: Become familiar with the controls and features described on these pages before

operating your unit.

 

 

 

 

 

 

 

Muffler

Air

Throttle

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Cleaner

Control Lever

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Detachable

 

 

 

 

 

Gun/Hose

Quick

Handle for

Spark

 

 

 

 

Holder

Connect

Storage

Plug

 

 

 

 

Nozzles

Chemical

 

 

 

 

 

 

 

 

 

Injection

 

 

 

 

 

 

 

 

 

Hose

Choke

 

 

 

 

 

 

 

 

With Filter

 

 

 

 

 

 

 

 

 

Control

Recoil

 

 

 

 

 

 

 

 

 

 

Spray

 

 

 

 

Quick

 

Fuel

Starter Starter

 

 

 

 

 

Gun

 

Connect

 

Valve Grip

 

 

Wand

 

Lever

 

 

 

 

 

 

 

 

 

 

3/8" X 50 ft. High-

 

 

 

13 HP Honda Engine

 

Pressure Hose

 

 

 

 

 

 

Pressure

 

 

 

 

 

Chemical Regulator

 

 

 

 

 

Injector

 

 

 

 

 

 

 

 

 

 

 

 

 

 

By-Pass

 

 

 

 

 

 

 

Hose

 

High Pressure

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

EZ Start Pump

 

 

 

 

 

 

 

 

Valve

 

 

 

 

 

 

 

 

 

Thermal

 

 

Heavy Duty

 

 

 

 

 

 

 

Steel Frame

 

 

 

 

 

Relief

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Valve

13”

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Pneumatic

 

 

 

 

 

 

 

 

Knobby Tires

 

 

 

BASIC ELEMENTS OF A PRESSURE WASHER

High Pressure Pump: Increases the pressure of the water supply to 3500 psi @ 4 gpm.

13HP Honda Engine: Drives the high pressure pump.

High Pressure Hose: Carries the pressurized water from the pump to the gun and wand.

Spray Gun: Connects with wand to control water flow rate, direction, and pressure.

Quick Connect Wand: Used to aim the pressurized water spray.

Quick Connect Nozzles: Develops the spray pattern and restricts the water flow so water pressure can be maintained.

Chemical Hose: Allows cleaners or cleaning solvents to be mixed with the pressurized water stream. See How To Siphon Chemicals/Cleaning Solvents in Operation section of this manual.

Pressure Regulator/Unloader: Adjust output pres-

sure of pump.

Thermal Relief Valve: A safety device that protects the pump from overheating. When water inside the pump reaches a specified temperature, the thermal relief valve opens and discharges the heated water from the pump.

EZ Start Valve: Allows the starter cord on the engine to be pulled without causing a pressure build up in the hose.

BASIC ELEMENTS OF ENGINE

Fuel Valve Lever: Opens and closes connection between fuel tank and carburetor.

Engine Switch: Enables and disables ignition system.

Choke Control Lever: Opens and closes the choke valve in carburetor.

Throttle Control Lever: Controls engine speed.

Starter Grip: Pulling starter grip operates recoil starter to crank engine.

D20249

8 — ENG

Page 8
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DeVillbiss Air Power Company D20249, 3540CWHP Operation, Basic Elements of a Pressure Washer, Basic Elements of Engine

3540CWHP, D20249 specifications

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