SETTING UP (Continued)
ADJUSTING THE BURNER
Allow sufficient air to obtain a clean looking flame by loosening the lock screws and moving the air shutter, and if
necessary, the bulk air band.
DRAFT CONTROL ADJUSTMENTS
The unit is set up in the factory to burn cleanly into atmospheric conditions. Therefore if a chimney is fitted to the
machine, an "O" draft would be the optimum condition.
FINAL AIR-ADJUSTMENTS
Allow at least ten minutes for warm-up, and longer if the unit is new, in order to burn off the oil deposits on the
heat exchanger and other surfaces. Check and adjust all controls. (See Manufacturer’s Instructions sheets.) Test
the primary control Safety Switch to insure a safety shutdown will occur in the event of equipment malfunction.
NOTE - The settings below have already been completed for this unit, so the following instructions for adjusting
apply only if a new burner or coil is installed.
OPERATION
STARTING THE PRESSURE WASHER
1. Make sure all switches are in the "OFF" position.
2. Connect the electrical supply cable. (Plug the unit into the electrical receptacle.)
3. In "PRE-OPERATING INSTRUCTIONS" you have already been asked to connect the unit to the water
supply. Turn on the water.
4. Pick up the spray gun and hold it firmly, and pull on the trigger to evacuate all air in the system. Release gun
trigger.
5. Now turn Pump Switch to "ON". The pumping unit will start.
6. Hold the spray gun firmly and squeeze the trigger on the gun, and when the spray is constant, turn the
Burner Switch to "ON". The oil burner will ignite.
CAUTION - The force of the water leaving the nozzle causes a kick-back or recoil at the trigger gun.
CHANGING PRESSURE
The variable Unloader Valve is already set to full pressure. Do not adjust the Unloader past the maximum
pressure, as this will not increase the performance, and the excessive shut-off pressure will damage the unit.
3
DEF SERIES
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