Changing Nozzles on Spray Wand

DO NOT attempt to change nozzles

while pressure washer is running. Turn engine off before changing nozzles.

1.Pull quick connect coupler back and insert nozzle.

2.Release quick connect coupler and twist nozzle to make sure it is secure in coupler.

Risk Of Injury. Ensure nozzle is

completely inserted in QC socket, and QC snap ring is fully engaged (forward) before squeezing gun trigger.

Risk of injection or injury to person. Do not direct discharge stream toward

persons, unprotected skin, eyes, or any pets or animals. Serious injury can occur.

HOW TO APPLY CHEMICALS AND CLEANING SOLVENTS

Applying chemicals or cleaning solvents is a low pressure operation. NOTE: Use only soaps and chemicals designed for pressure washer use. Do not use bleach.

2.Place other end of chemical hose with filter on it into container holding chemical/cleaning solution. NOTE: For every 7 gallons of water pumped 1 gallon of chemical/cleaning solution will be used.

3.Install low pressure (black) nozzle into quick connect fitting of spray wand, see How To Use Spray Wand paragraph in this section.

4.After use of chemicals, place chemical hose into container of clean water and draw clean water through chemical injection system to rinse system thoroughly. If chemicals remain in the pump it could be damaged. Pumps damaged due to chemicals will not be covered under warranty.

NOTE: Chemicals and soaps will not siphon when spray wand is in the high pressure setting.

STARTING

Prior to starting, refer to your engine manual for proper starting procedure.

1.In a well ventilated outdoor area add fresh, high quality, unleaded gasoline with a pump octane rating of 86 or higher. Do not overfill. Wipe up spilled fuel before starting the engine. Refer to Engine Owners Manual for correct procedure.

2.Check engine oil level. See Engine Owners Manual for correct procedure. NOTE: There will be a slight amount of oil in the engine from factory testing.

3. Verify the filter

To Apply chemicals:

1.Press chemical hose onto barbed fitting located near high pressure hose connection of pump as shown.

Barbed Fitting

screen is in

water inlet of

pump. NOTE:

Cone side faces

out.

Filter Screen

A00543

10- ENG

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Delta A00543, DTH3635 instruction manual HOW to Apply Chemicals and Cleaning Solvents, Starting