INSTRUCTION
MANUAL
Electric Pressure Washer
Ver. 1
SKY4100
NOTICE
• Machine is not a toy. Keep out of reach of children.
• Do not allow children to operate this item.
• Machine is intended for household use.
• Use machine on a flat and stable surface.
• Do not leave machine unattended while it is running.
• Safety glasses, hearing protection, boots, and gloves should be worn when operating this machine.
• Before plugging machine into wall outlet, make sure the power switch is o. Switch o machine
before unplugging.
• Turn o and unplug machine before assembly, disassembly, or maintenance.
• Ensure that your voltage is consistent with specifications.
• This machine is not intended for use by persons (including children) with reduced physical, sensory or
mental capabilities, or lack of experience and knowledge, unless they have been given supervision or
instruction concerning use of the machine by a person responsible for their safety.
• If any parts are missing, broken, damaged, or worn, stop using this product until repairs are made and/or
factory replacement parts are installed.
• Do not use this item in a way inconsistent with the manufacturer’s instructions as this could void the
product warranty.
Please retain these instructions for future reference.
WARNING
• Immediately turn o in the event of an accident or if machine malfunctions.
• Only use your hand to squeeze the trigger; do not jam the trigger in the ON position.
• Do not bend, twist, or fold the high pressure hose.
• Do not direct high pressure jet at other people, animals, electrical equipment, or the machine itself.
• Do not use machine in the vicinity of other people unless they are wearing protective clothing.
• Do not direct high pressure jet at yourself or others to clean clothing/footwear.
• Do not direct water at fire or hot equipment; hot water or steam is dangerous if reflected back.
• Do not use pressure washer to draw water contaminated with solvents (e.g. paint thinners, gasoline,
oil, etc.).
• Do not use pressure washer to draw non-water or flammable liquids.
• Do not allow dirt or debris to be drawn into the machine. Make sure to use a clean water source.
• Do not use machine without water.
• Position machine so exhaust emissions are not in the vicinity of an air intake.
• Do not handle power cord/plug or touch wall outlet with wet hands.
• Do not unplug the machine by pulling on the power cord. Always grasp the plug firmly and pull straight
out from the outlet.
• If using extension cord, make sure plug and cord are watertight and designed for outdoor use.
• Do not use if the plug or any components are damaged.
• Do not use any accessory or fitting other than original accessories and fittings.
• Keep machine on a flat surface during moving or installation.
• Always use handle to move or transport machine. Do not move machine by pulling on the power cord.
2 |
SPECIFICATIONS
Rated Pressure
Max Pressure
Max Inlet Pressure
Rated Flow
Max. Flow
Rate Voltage 120V
Rated Frequency
Rated Power Input
Degree Of Protection
Sound Power Level 98 dB(A)
Sound Pressure Level
Acceleration
Max Water Temperature
TOOLS REQUIRED
1015 psi
1500 psi
44 psi
5.0 l/min
7.2 l/min
50~60Hz
1400 W
IPX5
80 ±3 dB(A)
1.0±0.15 m2/s2
104°F
PHILLIPS
SCREWDRIVER
HARDWARE
M4 x 22mm
1
SCREW
2 PCS
2
M4 x 16mm
SCREW
4 PCS
1 PERSON
ASSEMBLY
APPROXIMATELY
10 MIN.
ASSEMBLY
| 3
PARTS
A
HANDLE
D
SPRAY GUN
G
SOAP BOTTLE
1 PC
1 PC
B
HOSE WRAP
E
LANCE
H
CLEANING PIN
1 PC
1 PC
C
SPRAY GUN HOLDER
1 PC
F
NOZZLE
1 PC
I
HIGH PRESSURE
HOSE
J
INLET CONNECTOR
4 |
1 PC
1 PC
1 PC
1 PC
DIAGRAM
HANDLE
ON/OFF
SWITCH
OUTLET
HIGH PRESSURE
HOSE
NOZZLE
SAFETY LATCH
SPRAY GUN
LANCE
HOSE WRAP
SPRAY GUN
HOLDER
POWER CORD
INLET
| 5
PRODUCT ASSEMBLY
Attach the part A handle with two part 1 screws.
1
A
Attach the part B hose wrap with four part 2 screws.
2
x2
1
6 |
B
2
x4
PRODUCT ASSEMBLY
Slide the part C spray gun holder onto the machine.
Screw the part J inlet connector onto the inlet.
3
C
J
Insert the narrow end of the part I high pressure hose into the part D spray gun.
4
Insert the part E lance into the spray gun and turn it clockwise to lock it in place.
Insert the part F nozzle into the lance.
D
E
I
F
| 7
PRODUCT ASSEMBLY
Screw the high pressure hose onto the outlet.
5
Screw a water supply hose (not included) onto the inlet connector and attach the other side to
6
a water supply tap.
8 |
USAGE TIPS
• Operating area must be clear of all persons.
• Machine is not intended to connect to a potable water main.
• Hold nozzle tightly during operation as there may be sudden kickback force.
• Only use specific cleaning agents designed for use with a pressure washer.
• Water that flows through backflow preventers is non-potable.
• Dirt or debris in feed water will damage the machine.
• Use a cold, clean water supply. Do not use with sea water.
• Water supply hose must be at least ½-inch in diameter.
• Flow rate of water supply must not fall below 6 liters per minute.
• Temperature of water supply must not exceed 104°F.
• Make sure hose connections are tight and secure before operation.
OPERATING INSTRUCTIONS
Before using pressure washer, remove potential hazards and objects that could be tripped over. Ensure all
doors and windows are tightly closed.
1. Plug pressure washer into a wall outlet.
2. Fully open the water supply tap.
3. Flip the safety latch on the spray gun.
4. Lightly press and hold the trigger to expel air and water. Hold trigger until water flows from the gun
(indicating the pump is full).
5. Switch the machine on. Press the trigger to spray water.
ADJUSTING SPRAY PATTERN
• Twist the adjustable nozzle to adjust from a jet spray to a fan spray pattern.
• It is recommended that you begin with a fan spray when cleaning wood decks, siding, vehicles, etc.
• Begin spraying at a 20° spray angle a minimum of 36 inches away to avoid damaging the surface.
• DO NOT adjust nozzle/spray angle while spraying.
| 9
SOAP BOTTLE ATTACHMENT
To remove dirt more eectively, add detergent to the spray with the soap bottle attachment. Only use
specific cleaning agents designed for use with a pressure washer.
1. Add a diluted mixture of detergent and water to the
part G soap bottle.
2. Remove the part F nozzle from the part E lance.
Slide the sleeve down and pull the nozzle to remove.
3. Insert the soap bottle into the lance.
4. Press the trigger to spray a mixture of soap
and water.
E
G
SWITCHING OFF
1. When finished, turn o the water supply tap.
2. Press trigger to release trapped pressure/water.
3. Remove the water inlet hose. Let the machine run for a few seconds to drain water from the pump.
4. Turn o and unplug the machine.
5. Remove the high pressure hose. Press trigger to drain residual water.
SAFETY FEATURES
• SAFETY VALVE: If the pressure of the pump exceeds the preset max valve, excess water will
automatically return to the inlet system.
• PRESSURE SWITCH: If the pressure is too high, the gun will automatically stop operation.
• THERMAL PROTECTION: If motor overheats, machine will turn o automatically. Let machine cool for a
few minutes then turn back on.
CLEANING AND MAINTENANCE
• Turn o and unplug the machine before cleaning and maintenance.
• Do the following after every use:
- Wash water hose, high pressure hose, lance, nozzle, and accessories
- Clean connectors of dust and sand
- Rinse soap bottle
• Dirt in feed water will damage the machine.
• If nozzle clogs, immediately stop machine, disconnect nozzle, and clean.
• If necessary, clean nozzle with provided cleaning pin. Disconnect nozzle, use pin to remove obstructions,
and flush water through the nozzle.
• Wipe down exterior of machine. Clear vents of obstructions.
• Regularly grease couplings.
10 |
STORAGE
• Do the following to completely drain machine of water prior to storage:
- Turn o machine and detach water hose/accessories.
- Turn on machine and press the trigger to expel all remaining water from the machine and spray gun.
- Turn o machine and unplug.
• Wind up hose and cable on the machine. Place spray gun, nozzles, and accessories in their
designated places.
• Store in a cool, dry place away from direct sunlight and dirt. Do not store in an especially cold or
frozen room.
TROUBLESHOOTING
PROBLEM
Machine not working
Fluctuating water pressure
Machine stops
Machine pulsating
Machine starts but does
not spray water
REASON
Not plugged in
Defective extension cord
Pump intaking air, not water
Incorrect voltage
Overheating protection
Nozzle blocked
Air in inlet hose
Inadequate water supply
Nozzle blocked
Hose kinked Straighten hose
Pump/hoses or
accessories frozen
No water supply
Nozzle blocked
Try without extension cord
Make sure hoses and connections
Make sure voltage is correct
Let machine cool for 5 minutes
Spray water until reaches
normal water pressure
Make sure water supply
Connect water supply
SOLUTION
Plug in machine
are tight
Clean nozzle
meets requirements
Clean nozzle
Thaw pump/hoses
or accessories
Clean nozzle
| 11
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Returns & Refunds
PRODUCT WARRANTY INFORMATION
All items can be returned for any reason within 60 days of the receipt and will receive a full refund as long
as the item is returned in its original product packaging and all accessories from its original shipment are
included. All returned items will receive a full refund back to the original payment method. All returned
items will not be charged a re-stocking fee.
All returned items require an RA (Return Authorization) number, which can only be provided by a Best
Choice Products Customer Service Representative when the return request is submitted. Items received
without an RA may not be accepted or may increase your return processing time. Once an item has been
received by Best Choice Products, refunds or replacements will be processed within 5 business days.
All returns must be shipped back to the Best Choice Products Return Center at the customer’s expense. If
the reason for return is a result of an error by Best Choice Products then Best Choice Products will provide
a pre-paid shipping label via email. Boxes for return shipping will not be provided by Best Choice Products,
and is the customer’s responsibility to either use the original shipping boxes or purchase new boxes.
Pictures may be required for some returns to ensure an item is not damaged prior to its return. Items
returned are not considered undamaged until they are received by Best Choice Products and verified as
such. All damages to items are the customer’s responsibility until the item has been received by and
acknowledge by Best Choice Products as undamaged.
WARNING
Manufacturer and seller expressly disclaim any and all liability for personal injury, property damage or
loss, whether direct, indirect, or incidental, resulting from the incorrect attachment, improper use,
inadequate maintenance, or neglect of this product.
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