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leaning

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The gun nozzle supplied with the pressure washer provides optimum 
cleaning for universal cleaning applications if used properly.

Cleaning agents are most effective when the surface is rinsed first 
to loosen dirt.  After pre-rinsing to loosen dirt, then clean with 
detergent.

Detergent should be applied from the bottom to the top of the 
washing area.  Apply detergent and allow the detergent to react 
with the dirt, then rinse from the top to the bottom.  This detergent 
applying and rinsing technique will help to avoid streaks and skips in 
the washing area.

Never use more detergent than is necessary to clean the surface.

Always follow directions supplied by the detergent manufacturer on 
the container.

For best spraying results, hold the gun 6-12” away from the washing 
surface and use long, slow deliberate side to side strokes, similar to 
using a paint sprayer.  This technique will provide the most effective 
cleaning impact and minimize streaks and skips in the cleaning 
process.  Waving the spray gun aimlessly across the surface wastes 
water and expensive detergent and prolongs the cleaning process.

If the pressure washer is used to apply wax, the gun should be held 
further from the surface to optimize the “misting” effect when 
applying the wax.  For best results, follow the directions supplied by 
the wax manufacturer.

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and

 

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ozzle

Hold the gun/wand in the normal operating position.  Turn the 
nozzle sleeve clockwise for a fan spray and counterclockwise for 
a stream.  (Pull the nozzle sleeve forward for high pressure while 
pushing the sleeve away from the gun for low pressure.)  After 
shutting down the unit and draining the hose, spray a lubricant, 
such as WD40, on the backside of the nozzle and work the nozzle 
back and forth from high to low pressure.  This will help prevent 
the nozzle from sticking.  Examine nozzle tip for blockage 

only

 with 

pressure washer “OFF” and pressure relieved from system.

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etting

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1.  For high pressure pull back on nozzle.  Make sure to keep all 

parts of hand away from out coming water.

 

Diagram A

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2.  For low pressure and chemical suction push the nozzle forward.  

Keep all parts of hand away from out coming water.

 

Diagram B

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an

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Pray

3.  For adjusting the water spray pattern turn nozzle clockwise for 

wide spray fan pattern and counter clockwise for narrow stream 
spray pattern.

 

Diagram C

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Summary of Contents for AR620

Page 1: ...nst defects in material and workmanship for a period of 1 one year on machine 90 days on gun and hose assembly from the date of retail purchase and is not transferable Warranty covers replacement parts This limited one year warranty applies only to products used in consumer applications and does not apply to rental or commercial applications Warranty Returns Items returned for warranty considerati...

Page 2: ...0 O Ring 1 58 1264070 Ring 1 59 1264060 Pressure gauge piston 1 60 1264090 Pressure gauge spring 1 61 1264080 Plug 1 70 1271170 Ring 1 Read and understand these instructions because they have to do with safety Pay particular attention to the safety symbol throughout this manual Failure to comply with these instructions may result in personal injury or property damage DO NOT allow children to opera...

Page 3: ...ezed ON position 23 No smoking when operating the machine 24 Never use the unit when under the influence of drugs alcohol or medication 25 Do not adjust the unloader 26 Do not move the unit by pulling on the hose or electrical cord 27 Only operate the machine with sufficient water supply to the pump 28 Do not let the machine run with the wand in the not squeezed OFF position for more than 2 minute...

Page 4: ...egend AR620 AR630 1 1260273 Black rear casing 1 2 1261551 Screw 8 3 180030 Screw 4 4 1260710 Black handle 1 5 1261760 Fan cowling 1 6 1264623 Black front casing 1 7 1260470 Screw 4 8 1260830 Base 2 9 1260780 Screw 4 10 1262790 Detergent hose 1 11 1341030 Suction filter 1 12 1269115 Detergent hose w filter 1 13 1260360 Scew extension 1 14 1260300 Fan 1 15 1260970 Washer seal 1 16 1260810 Screw 1 17...

Page 5: ...mp crankcase and install the black dipstick Always check that the oil level is full before operating 3 Oil level can be checked in two places First on back side of pump sight glass level should be half way Second on dip stick oil should read between the indentation on the dip stick Operating Instructions Before Starting the Pressure Washer 1 Read all safety instructions throughout the manual 2 Pla...

Page 6: ...roperly grounded outlet 3 Turn nozzle to low pressure and squeeze trigger 4 Turn ON OFF switch to the ON position and wait until a constant stream of water comes out Adjust nozzle sleeves to achieve proper pressure and coverage area During Operation 1 Observe all safety instructions through this manual 2 Do not allow the machine to run with the wand not squeezed OFF for more than 2 minutes 30 seco...

Page 7: ...h pressure hose from the high pressure outlet and put the hose gun wand and owners manual in a secure place to prevent unauthorized people from using the machine 4 When preparing to use the pressure washer again simply reconnect the high pressure hose assembly and water supply to the unit turn the water on and squeeze the trigger on the spray gun to send water through the system Dispose of the ant...

Page 8: ...ocess If the pressure washer is used to apply wax the gun should be held further from the surface to optimize the misting effect when applying the wax For best results follow the directions supplied by the wax manufacturer Gun Wand and Nozzle Hold the gun wand in the normal operating position Turn the nozzle sleeve clockwise for a fan spray and counterclockwise for a stream Pull the nozzle sleeve ...

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