North Star M1577541F - Manual (Page 13)

13
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