North Star 157204, Installation, Operation And Maintenance Manual

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13
Troubleshooting
ENGINE WILL NOT START
Causes Solutions
Low Oil Shutdown Fill engine with the adequate amount of oil
Cold Engine Choke engine to start
No Fuel Add gas to engine - Make sure fuel shutoff valve is open
Pressure build-up from initial use Trigger spray gun to relieve pressure
Engine not turned ON Place ON/OFF switch in the ON position
Spark plug wire not attached Attach spark plug wire to spark plug
LOW / SURGING PRESSURE
Causes Solutions
Insufficient water supply Increase water flow - Check for kinked or pinched hose
Plugged inlet screen Pull out and clean screen carefully
Need to use high pressure nozzle Change to the green nozzle
Plugged nozzle Remove nozzle, check for blockage
Worn nozzle Replace nozzle
Leak in high pressure line Fix leaks
NO CHEMICAL INJECTION
Causes Solutions
Adjustment knob turned OFF Rotate adjustment knob counter-clockwise
Need to use different nozzle Change to the black nozzle
Back pressure from extra long hose Try shorter hose
Leak in clear chemical hose Replace hose. Use hose clamps if necessary
Chemical strainer not submerged Make sure strainer is completely submerged in solution
Any Questions, Comments, Problems, or Parts Orders
Call NorthStar Product Support 1-800-270-0810