DeVillbiss Air Power Company DVH3000, A16091 Trouble Shooting Guide, Problem, Cause, Correction

Models: DVH3000 A16091

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TROUBLE SHOOTING GUIDE

PROBLEM

Engine will not start (see Engine Manual for further engine troubleshooting)

No or low pressure (initial use)

CAUSE

No fuel.

Pressure builds up after two pulls on the recoil starter or after initial use.

Choke lever in the "No Choke" position.

Spark plug wire not attached.

Engine ON/OFF switch in OFF position.

Choke lever in the "Choke" position on a "hot" engine or an engine that has been exposed to thermal heat for a long period of time.

Fuel valve closed

Spray wand not in high pressure.

Low water supply.

Leak at high pressure hose fitting.

Nozzle obstructed.

Water filter screen clogged.

Air in hose.

Choke lever in the “Choke” position.

High pressure hose is too long.

CORRECTION

Add Fuel.

Squeeze gun trigger to relieve pressure.

Move choke to the "Choke" position.

Attach spark plug wire.

Place engine ON/OFF switch in ON position.

Move choke to the "No Choke" position.

Move the fuel valve lever to the “Open” position.

See How to Use Spray Wand instructions in the Operation Section.

Water supply must be at least 5 GPM @ 20 PSI (137.9 kPa).

Repair leak. Apply sealant tape if necessary.

See Nozzle Cleaning instructions in the Maintenance section.

Remove and clean filter.

Turn off the engine, then the water source. Disconnect the water source from the pump inlet and turn the water source on

to remove all air from the hose. When there is a steady stream of water present, turn water source off. Re-connect water source to pump inlet and turn on water source. Squeeze trigger to remove remaining air

Move choke to the “No Choke” position.

Use high pressure hose under 100 feet.

AWSC = Authorized Warranty Service Center

17- ENG

A16091

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DeVillbiss Air Power Company DVH3000, A16091 operation manual Trouble Shooting Guide, Problem, Cause, Correction