North Star M1577541F ユーザーズマニュアル

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Pump Oil Cap and Pump Component Identification 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 Operation Instructions  
 
Water Supply 
1.)  Make sure the water supply is clean.  Debris can cause excess pump wear and reduce 
performance. 
2.)  An insufficient water supply will damage your pump.  Make sure the water supply is steady and is 
20% over the rated flow of your pump.  Use a stopwatch to time how long it takes to fill a 5 gallon 
bucket with your garden hose.  The bucket must be filled faster than 100 seconds. 
3.)  The water supply garden hose must have an inside diameter of at least 5/8”.  If the hose is more 
than 100 ft. long, the diameter must be at least 3/4”. 
4.)  Never use a reservoir tank as a water source.  Drawing water out of a tank may cause pump 
cavitation and damage to your pump.  This pressure washer is designed for a pressurized water 
source such as a city water faucet. However, the water source pressure must not exceed 115 psi 
(8 bar). 
5.)  Always use a flexible rubber hose for your water supply.  Do not use rigid piping. 
 
 
*Note:  Discard Shipping Plug and O-ring 
Shipping plug
(Install Vented
Fill Cap*)
Water Inlet 
 
Water Outlet 
Shipping plug (Install
Vented Fill Cap*)
Water Outlet 
Water Inlet
Pressure
Adjustment