Kärcher 1.575-511.0 Operator'S Manual Download

Page: 10 / 32

9.800-191.0 • Rev. 01/18

OPERATOR’S MANUAL

PRESSURE

WASHER

PREVENTATIVE MAINTENANCE AND SERVICE

the soot on the coil must be washed off after coil has

been removed using the following steps:
1. Remove the tank head assembly by lifting the tank

head off.

2. Remove the two pipe nipples and associated fit

tings.

3. Lift the coil out of the outer wrap.

CAUTION: the coil weighs about 80 lbs. Use proper
lifting techniques.

4. Clean, repair and replace the coil by reversing the

above steps.

Coil Reinstallation

Reinstall by reversing the above steps 4 through 1.

Fuel:

Use clean fuel oil that is not contaminated with water

and debris. Replace fuel filter and drain tank every 100

hours of operation. Use Kerosene No. 1 or No. 2 Heating
Fuel (ASTM D306) or diesel only.

NEVER

use gasoline

in your burner tank. Gasoline is more combustible than
fuel oil and could result in a serious explosion.

NEVER

use crankcase or waste oil in your burner. Fuel unit
malfunction could result from contamination.

Ignition Circuit:

Periodically inspect wires, spring contact and elec-
trodes for condition, security and proper spacing.

For

transformer test (CAUTION 10,000 VOLTS)

use defect

free insulated screwdriver and keep fingers off blade!
Lay blade across one contact: OK if arc will span 1/2"

between end of blade and other contact (see following
illustration).

Electrode Setting

Burner Nozzle:

Keep the tip free of surface deposits by wiping it with a

clean, solvent-saturated cloth, being careful not to plug

or enlarge the nozzle. For maximum efficiency, replace
the nozzle each season.

Fuel Control System:

The pressure washer

utilizes a fuel solenoid valve

located on the fuel pump to control flow of fuel to the

combustion chamber. This solenoid is activated by a
pressure switch located on the unloader valve. When

an operator releases the trigger on the spray gun, the

pressure drops, allowing the pressure switch to activate

the fuel solenoid. The solenoid then closes, shutting off
the supply of fuel to the combustion chamber. Controlling

the flow of fuel in this way gives an instantaneous burn

or no burn situation, thereby eliminating high and low
water temperatures, and combustion smoke normally
associated with machines incorporating a spray gun.
Periodic inspection is recommended to insure that the

fuel solenoid valve functions properly. This can be done

by operating the machine and checking to see that when
the trigger on the spray gun is in the off position, the
burner is not firing.

Fuel Pressure Adjustment:

To adjust fuel pressure, turn the adjusting screw with a

screwdriver (located on the fuel pump) clockwise to

increase, counterclockwise to decrease. Do not exceed
200 PSI.

Wayne Burner Air Adjustment

Machines are preset and performance tested at the

factory — elevation 100' above sea level. A one time

correction for your location will pay off in economy,

performance and extended service life. If a smoky or

eye-burning exhaust is being emitted from the stack,
two things should be checked.
First, check the fuel to be certain that kerosene or No.
1 home heating fuel is being used.
Next, check the air adjustment on the burner. An oily,
black, smoky fire indicates a lack of air and the air band

should be moved to allow the air to flow through the

burner. Sharp, eye-burning fumes indicate too much
air flowing through the combustion chamber. The air

band should be moved to allow less air to flow through

the burner.

To adjust:

Start the machine and turn burner ON.

Loosen the locking screws found in the air band open-
ings (refer to illustration) and close air band until black

smoke appears from burner exhaust vent. Next slowly

open the air band until white smoke just starts to appear.
Turn air band halfway back to the black smoke position

previously noted. Tighten the locking screws.

Side View

Top View