Graco Inc 226-813, 307-308, 1007 manual Operation, Accessories

OPERATION

Startup

Before starting, besure to read the safety warnings and setup instructions.

Check oil and gasoline levels daily andgrease the pump if necessary.

Turn on the water supply.

Trigger the gun to release any back pressure.

WARNING

DO NOT wire or tie the gun trigger into the open or triggered position.

Set the choke and openthe fuel valve.

WARNING

You must trigger the gun while starting, to avoid engine kickback.

Put your foot on the frame or wheel to steady the unit when you pull the starter rope. Hold the gun in yourleft

hand with the triggeropenwhilestartingthe engine. See Fig 2 forthe proper stance.Brace thewand as shown t o avoid recoil.

Grasp the starter ropegrip andrapidly pull out the cord two or threefeet I 1 ml. Repeat if necessary withthe

chokeopenedslightly.When the engine starts, im-

mediately release theguntrigger. Open the choke gradually.

CAUTION

Never run the cleaning unit dry. Costly damageto the pump willresult. Always be sure water supply is completely turned on before operating.

Inspect all connectionsforany leaks. Tightenif necessary.

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Hydra-Clean Operation

Hold thespray nozzle about 2 feet 10.6 ml from thesur- face and completely mist-wet the object with cleaning solution. Let it soak briefly, then use the spray rinse to "chisel" the dirt off. Keep the nozzle at an angle to the surface, and about6 in. 1150 mm) away. Ifsome dirt re-

mains, repeattheprocedure,letting it soak a little longer. When you have finished cleaning, shut off the unit'and trigger the spray gun to relieve pressure.

Protect surfacesthat might bedamaged by the cleaning solution, and rinse before solution dries.

NOTE: You canclean off stubborn dirt better with a

stronger, heated cleaning solution.

Shutdown and CareOf The Unit

CAUTION

When unitisnotin use, turnoffwater supply.

When shutting down for theday or weekend; shut off unit,shut off watersupply valve, andtrigger gun to release pressure. Wipe off the unit with a damp rag.

Shut off cleaning unit when not actually spraying, for longer pump life. The pump willoverheat if leftrunning for over 10 minutes without spraying.

Check the filter screen in the water inlet connection as often as necessary. Donot operatethe unitwiththe inlet filter screen removed.

DO NOT try to adjust the unloader valve or change the engine speed. Changing these settingsmay cause ex-

cessivepressure, intermittent unloaderoperation, wasted fuel and increased wear on parts.

PUMP MUST NOT BE RUN DRY and must be drained of water priorto exposure to freezing temperatures.Use andstore theunit where it willnot besubjected to freezing temperatures. If water does freeze in the unit, thaw before trying to start. A 50% anti-freeze solution may be pumped prior to cold weather storage.

Use only spray tips that are matched to unit to avoid excessive cycling and wear of the unloader valve. See

ACCESSORIES.

Let a frozen pumpthawin a warm place. Don't pour hot water ona frozenpump. A sudden temperaturechange greater than 100" F 130' C)

rCwill crack the ceramic cylinder liners.

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Do not pump caustic materials.

Before extended storage, flush the pump with light oil.

Observeoilchange,gasoline,andgreasing

requirements as outlinedon page 2 andtheengine manual.

Avoid dragging hose over an abrasive surface such as cement. This causes wear and eventual rupturing.

Clean the intake line strainer daily.

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