Westinghouse WPX4400 Pressure Washer User Guide
- May 15, 2024
- Westinghouse
Table of Contents
Quick Start Guide
WARNING: This Quick Reference Guide is NOT a substitute for reading the owners manual. To reduce the risk of injury or death, user must read and understand operator’s manual before using this product.
BEFORE STARTING
TOOLS YOU WILL NEED
Pressure washer soap (not included)
Fresh clean unleaded gasoline (not included)
10mm wrench (not included)
4-stroke engine oil (included)
Install handle to the frame.
Connect brackets and hooks using provided hardware andbolts.
Install spray lance and high pressure hose. Hand tighten only.
Add
oil with provided 4-stroke engine oil.
Add gasoline. Gasoline level should NOT be higher than filler neck. DO NOT use fuel with more than 10% Ethanol.
Connect high pressure washer hose to water inlet.
Connect garden hose to water inlet. Never use a hose longer than 50ft. Make
sure inlet screen is installed properly and free of debris.
Run water for 30 seconds to ensure hose is free of debris.
Always turn water on before starting the pressure washer.
Squeeze trigger to allow air to bleed out.
Insert high pressure nozzle tip appropriate for your
application.
Turn the
pressure regulator counterclockwise to reduce the pressure.
HOW TO START
Connect garden hose to water supply and turn on water. Water supply
must have a minimum flow of 3.5 gallons per minute.
Turn power switch ON. Adjust idle speed
to 1/3.
Set choke lever to CHOKE position.
Pull the
recoil handle until the engine starts. If it takes more than one pull make
sure to depress the trigger on the gun between pulls to reduce pressure
buildup.
As the
engine starts and stabilizes, gradually move the choke lever back to the RUN
position.
HOW TO STOP
Turn power switch OFF.
Reset the idle speed handle.
Turn fuel valve OFF.
Turn water supply OFF.
Squeeze trigger to allow air to bleed out.
Lock spray gun trigger.
Complete After Each Use steps and consult owners manual for proper storage procedure.
AFTER EACH USE
- Lock the spray gun trigger.
- Turn the engine OFF, turn the fuel valve OFF, then turn the water supply OFF.
- Disengage the trigger lock and depress the trigger for 15 seconds to depressurize the system.
- Let the pressure washer cool down.
- Disconnect the hoses and drain.
- Engage the trigger lock on the spray gun.
- Wipe off all remaining water with a clean, dry rag.
- Disconnect the spark plug wire then pull the recoil handle 5 – 6 times to remove water from inside the pump.
- Store the pressure washer in a clean, dry place.
SELECTING NOZZLES
| NOZZLES | USE |
|---|
High Pressure Nozzle (RED) – higher pressure & smallest spray pattern.
NOTE: The red nozzle can damage surfaces if it is held too close for an
extended time.| Use to clean hard, embedded dirt & grime. Use on concrete,
brick, driveways, & patios.
High to Medium Pressure Nozzle (YELLOW) – High to medium pressure with
smallest angle spray pattern.| Use to clean paint, stain, mildew, oil, & stuck
on dirt & grime. Use on wood, decks, home siding, driveways, & patios.
Medium Pressure Nozzle (GREEN) – medium pressure & medium spray pattern.| For
general rinsing ideal for most all purpose cleaning such as home siding, brick
patios, wood decks, driveways and sidewalks, garage floors, etc.
Low Pressure Nozzle (WHITE) – lower pressure & widest spray pattern.| For
general rinsing ideal for most all purpose cleaning such as home siding, brick
patios, wood decks, driveways and sidewalks, garage floors, etc.
Soap Nozzle (BLACK) NOTE: Only use pressure washer safe soap.| For general
rinsing ideal for most all purpose cleaning such as home siding, brick patios,
wood decks, driveways and sidewalks, garage floors, etc.
SPECIFICATIONS
| Specifications | WPX4400 |
|---|---|
| Pressure – PSI/BAR | 4400/303 |
| Flow Rate – (GPM/LPM) | 4.2/15.9 |
| Water Temperature (o F/ o C) | 104/40 Max |
| Hose Length (ft/m) | 50 |
| Nozzles | 0° ,15 ° , 25° , 40° , Soap |
| Engine Displacement | 420cc |
| Spark Plug Type | F7TC |
| Spark Plug Gap (in/mm) | 0.024 – 0.032 in. (0.60 – 0.80 mm) |
| Fuel Capacity (Gal/L) | 1.72gal/6.5L |
| Recommended Oil | 10W30 |
| Oil Capacity(oz/L) | 37.2/1.1 |
| On/Off Switch | Yes |
IMPORTANT
You must properly winterize unit before storing in cold temperatures.
FAILURE TO PERFORM THESE STEPS WILL VOID WARRANTY.
- Follow all steps in After Each Use.
- Drain all gasoline from the fuel tank as best as possible.
- Disconnect the spark plug wire.
- Following the manufacturer’s instructions, add RV (non-toxic) antifreeze or similar pump-protection specifically made for pressure washers.
- Store the pressure washer in a clean, dry place.
MAINTENANCE SCHEDULE
Following the maintenance schedule is important to keep the pressure washer in
good operating condition. The following is a summary of maintenance items by
periodic maintenance intervals. Refer to the Maintenance section in the Owners
Manual to find out how to properly perform maintenance.
OWNER PERFORMED MAINTENANCE SCHEDULE
Maintenance Item| Before Every Use| After First 5 Hours or
First Month of Use| After 50 Hour of Use or Every year| After 100 Hours of Use
or Every Year| After 300 Hours of Use
---|---|---|---|---|---
Engine Oil| Check Level| Change| Change| –| –
Intake and Muffler| Inspect/Clean| –| –| –| –
Air Filter| –| –| –| –| Replace
Spark Plug| –| –| –| Inspect/Clean| Replace
Spark Arrestor| –| –| Inspect/Clean| Inspect/Clean| Inspect/Clean
Water Inlet Screen| Check| –| –| –| –
Valve Clearance| –| –| –| Inspect| Adjust
*Service more frequently if operating in dry and dusty conditions
OIL MAINTENANCE
HAVE QUESTIONS?
DO NOT RETURN THIS PRODUCT TO THE STORE
Email us atservice@wpowereq.com
or call 1-855-944-3571 125368 Rev01 3/23
WPX4400 Rev02
Read User Manual Online (PDF format)
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