DeVillbiss Air Power Company D21684 Frequently Asked Questions, What kind of oil do I use?

Models: D21684

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Frequently Asked Questions:

Frequently Asked Questions:

What kind of oil do I use?

Engine: Refer to Engine manual for oil recommendations.

Pump: See page 16 and 17.

My Pressure Washer won’t start..(See Engine manual for starting instructions)

Has gasoline been added to the engine?

Is engine on/off switch in “on” position? (If applicable)

Has engine been primed or choked?

Adequate amount of oil in engine? (Some models are equipped with a "Low Oil Shut Down" switch)

Is fuel valve in the “Open” position. (if applicable)

Pull trigger on spray gun to release pressure.

How do I apply chemicals?

Wand/Lance must be in the low pressure setting. See page 13.

Chemical hose must be attached to pump and fully submerged in chemical/soap-See page 8 and 13.

Chemical adjustment knob must be in open position. See page 15.

How do I adjust the pressure?

The pressure unloader is factory pre-set at the maximum pressure and should not be increased. The pressure can be lowered by following the instructions on page 14. Do not attempt to increase the engine speed to achieve a higher pressure. Excessive pressure will damage the pump.

I don’t have enough pressure...

Do you have an adequate water supply(5 gallons per minute at 20 p.s.i.)?

All hoses free of kinks and leaks?

Is wand in high pressure setting? See page 11 & 12.

Is spray nozzle blocked or partially obstructed? If so, clear and replace. See page 18.

Is the high pressure hose longer than 100 feet?

Has unit ran for a long period of time without pulling the spray gun trigger?

What type of chemicals/soaps can I use?

Use only chemicals/soap designed for use in pressure washers.

Do not use chlorine bleach or any other corrosive compound; this will cause damage to the pump.

Who can I call if I have questions or any problems?

Call us at 1-800-888-2468, Extension 2, Monday through Saturday, 8:00 a.m. to 8:00 p.m., E.S.T.

How do I drain the oil?

Engine: Refer to the Engine manual for this information.

Pump: See page 16 and 17.

Where can I purchase parts and/or accessories?

Service parts can only be obtained through our many Authorized Warranty Service Centers. For a location nearest you, call us at 1-800-888-2468, Extension 2.

Accessories can be purchased at an Authorized Warranty Service Center or at one of the many local retailers.

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DeVillbiss Air Power Company D21684 Frequently Asked Questions, What kind of oil do I use?, How do I apply chemicals?