Operation Guidelines

Safety

1. Run only in well ventilated area, do not run inside (HN Series excluded, if ducted outside)
2. Gas only in gas tank (Shut off before refueling)
3. Diesel only in diesel tank (Shut off before refueling)
4. Avoid contact with coil, mufflers, exhaust, & hoses to prevent burns
5. Keep others and children away from area being cleaned to prevent personal injury
6. Do not point the gun at anyone or any part of the body.
7. Electric machines:
   1. Don't operate in wet area
   2. Keep cords and plugs dry and grounded (Do not use extension cords)
8. Hook up only to proper voltage and amperage circuit as explained in operation manual.
9. Never operate in presence of flammable vapors, dust, gases, etc.
10. Do not hose off or spray off machine, keep water out of all electrical components including generator, motor, transformers, etc.
11. Wear safety glasses and protective clothing

Before Start Up

1. Check engine and pump oils daily, add as needed, check before starting to avoid hot muffler contact.
2. Check for adequate water supply
3. Check to be sure all power switches are off
4. Turn engine to on, choke, turn key to start, shut off choke (Plug in and turn power switch on for electric powered units)
5. After engine is running burner switch may be turned on
6. Chemical metering valve - adjust as needed - rinse soap line when finished - keep closed when not in use
7. Thermostat setting - 250°F when using steam nozzle
8. Nozzles 0°=high impact, 15°=normal use nozzle, 40°=rinse nozzle, Low Pressure=car wash, low impact, Steam nozzle=use when very high temperature as needed (lock collar on nozzle quick connect)
9. Clear rocker switch turns on auxiliary power located on back of electrical box (1000 watts max), (SC only)
10. Checks for leaks in hoses and guns, or damaged electrical cords, get repaired immediately to avoid personal injury.
11. If the burner fires when the trigger spray gun is not pulled, get repaired immediately to avoid personal injury

Shut Down

1. Burner switch to off position
2. Rinse and close chemical valve
3. Run machine until cold water comes out, turn off unit
4. Release pressure from hose
5. Add antifreeze to unit if necessary

Automatic ON/OFF Units (CN, HX, HG)

1. After trigger is released, motor will run for 60 seconds, then turn off (HG Series turns off without delay). Pull trigger gun and motor will restart.
2. Turn off rocker switches at the end of each work day, or when not using machine for an extended period pull the trigger on the spray gun to relieve locked pressure.
3. Disconnect all electrical power to machine before doing any service, because the machine can start up at any time.

Maintenance