WASHER

MAINTENANCE

OPERATOR’S MANUAL PRESSURE

20

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 standard screwdriver (located on the fuel pump) clock- wise to increase, counterclockwise to decrease. Do not exceed 200 PSI.

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, per- formance 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 white 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 machine and turn burner ON. Loosen the two locking screws found in the air shutter openings (refer to illustrations) and close air shutter until black smoke appears from burner exhaust vent. Note air band position. Next, slowly open the air shutter until white smoke just starts to appear.Turn air shutter halfway back to the black smoke position previously noted.Tighten lock- ing screws.

If the desired position cannot be obtained using only the air shutter, lock the air shutter in as close a position as can be obtained, then repeat the above procedure on the air band setting.

FUEL AIR ADJUSTMENT: WAYNE

Air Band

Pressure

Gauge Port

Air Band

Pressure

Adjustment

Adjustment

Screw

Screw

 

 

Fuel Pump

FUEL AIR ADJUSTMENT: BECKETT

Air Band

Transformer

Fuel

Pump

Air Band

Adjustment

ScrewPressure

Gauge Port

Pressure

Adjustment Screw

97-6068, 97-6131 • REV. 3/06

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Shark HPB-2011, HPB-3520, HPB-4020, HPB-3530 manual Fuel Pressure Adjustment, Air Adjustment
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HPB-3530, HPB-2011, HPB-4020, HPB-3520 specifications

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In summary, the Shark HPB series, with models like the HPB-3520, HPB-4020, HPB-2011, and HPB-3530, showcases the brand's commitment to quality and innovation. Each model incorporates unique features and advanced technologies that cater to different cleaning needs, making them suitable for various households. Whether you need robust suction, versatile cleaning options, or a budget-friendly solution, the Shark HPB series has a vacuum that meets your requirements.
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