North Star 1574210, Owner'S Manual, Page: 23 / 64

23
Storage
Alternately the system can be blown out with
compressed air: Note: although this method can be
effective for winterizing, the above antifreeze
method is preferred because it ensures the entire
plumbing system is flushed and lubricated.
Materials:
1. Properly rated fittings (80 psi or higher) to
connect air supply
to inlet connection (¾”
garden hose) on pressure washer.
2. Air compressor with regulator able to set
pressure between 60-80 psi.
Procedure:
1. Connect hose and gun to outlet connection.
2. Connect air supply to inlet connection, ensuring
regulator is set no higher than 80 psi.
3. Pull trigger on gun (with nozzle removed) and
allow air to push water out of plumbing.
Continue hold trigger gun open until water stops
coming out of.
4. Turn off air compressor and pull trigger on gun
to relieve any trapped pressure in the system.
5. Disconnect air compressor, hose, and trigger
gun.
6. Remove thermal relief valve located at the
bottom of the unloader (see Component
identification page) and allow water from the
bypass loop to drain out. Once drained reinstall
thermal relief fitting.
Prepare the pressure washer for storage
1. Make sure the Motor start switch is OFF.
2.
Disconnect the high-pressure hose, garden
hose, and spray gun
.
Let Pressure washer cool for 5 minutes before
moving the pressure washer to its storage location.