SPX4003-RM - Pressure washer Sun Joe - Free user manual and instructions
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| Product Type | Electric Pressure Washer |
| Model | SPX4003-RM |
| Manufacturer | Sun Joe |
| Max Pressure | 2000 PSI |
| Max Flow Rate | 1.76 GPM |
| Motor | 14.5 Amp / 120 V AC / 60 Hz |
| Power Cord Length | 35 ft |
| Hose Length | 30 ft |
| Dimensions (L x W x H) | 20.5 x 15.0 x 12.5 in |
| Weight | 15.4 lbs |
| Included Nozzles | Quick-Connect (0°, 25°, 40°, Soap) |
| Detergent Tank Capacity | 27 oz |
| Water Inlet Type | Standard garden hose (3/4 in) |
| Maximum Inlet Water Temperature | 104 °F / 40 °C |
| Housing Material | Heavy-duty ABS |
| Wheel Type | Puncture-proof wheels |
| Safety Features | Total Stop System (TSS), Thermal Protection, GFCI |
| Maintenance | Clean filter, flush pump after use, store in frost-free area |
| Reparability | Spare parts available via Sun Joe; replaceable hose, nozzles, pump |
| Certification | ETL listed |
Frequently Asked Questions - SPX4003-RM Sun Joe
How do I connect a garden hose to the pressure washer?
Ensure the unit is off. Connect your garden hose to the water inlet on the back of the pressure washer. Tighten by hand. Turn on the water supply before starting the motor.
What type of detergent can I use?
Use only biodegradable pressure washer detergents designed for high-pressure washers. Do not use bleach, acids, or flammable solvents. Fill the built-in detergent tank with the recommended soap.
Why won't the pressure washer start?
Check that the GFCI plug is properly reset and that the outlet supplies power. Verify the unit is switched on and that the trigger is not locked. Also ensure the water supply is fully open.
How do I change the nozzle?
Pull back the quick-connect collar on the wand, insert the desired nozzle, and release the collar. Ensure it clicks securely. Always change nozzles with the trigger off.
What does the Total Stop System (TSS) do?
The TSS automatically shuts off the motor when the trigger is not pressed, saving energy and extending pump life. It provides safety by preventing accidental operation.
Can I use an extension cord?
Yes, but use a 14 AWG or heavier extension cord rated for outdoor use, not longer than 50 ft. Keep the connection dry and off the ground.
How do I store the pressure washer after use?
Turn off water and motor, then pull trigger to release pressure. Disconnect hoses, drain the pump by tipping the unit with detergent tank removed, and store in a frost-free area.
What is the recommended maintenance schedule?
After each use: flush pump with clean water and clean the inlet filter. Monthly: inspect hoses and connections. Annually: replace pump oil if accessible; otherwise, service by a qualified technician.
How do I replace the spray wand?
Purchase a replacement wand from Sun Joe. Unscrew the old wand from the gun handle (usually left-hand thread) and install the new one. Tighten securely.
The pressure seems low. What's wrong?
Check for kinks in the hose, a clogged nozzle or inlet filter, or a partially closed water supply. Also verify the nozzle setting (use 0° for maximum pressure). If problem persists, may need pump service.
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USER MANUAL SPX4003-RM Sun Joe
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Product information
Brand : Sun Joe
Model : SPX4003-RM
Category : Pressure washer