NorthStar MPPWE Installation, Operation And Maintenance Manual - page 14
14
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.
ENGINE STOPS WHEN TRIGGER IS PULLED
Causes
Solutions
Insufficient water supply
Connect to water supply with more water flow.
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
In the United States
In the United Kingdom
North Star Customer Service
Call 02392639752
Call 1-800-270-0810
Northern Tool and Equipment Co. (UK) Ltd.
Hours: Monday - Friday 7:00 AM to 5:30 PM
Unit 2, Keel Close,
Saturday 7:30 AM-11:30 AM Central Time
Portsmouth, Hants PO3 5QD, England