Delta DTT2450 Instruction Manual download pdf (Page 13)

13- ENG

A04032

TROUBLE SHOOTING GUIDE

PROBLEM

Engine will not

start (see Engine

Manual for

further engine

troubleshooting)

No or low

pressure

(initial use)

CAUSE

CORRECTION

No fuel.

Add Fuel.

Pressure builds up after two pulls on

the recoil starter or after initial use.

Squeeze gun trigger to relieve

pressure.

Spark plug wire not attached.

Attach spark plug wire.

Spray wand not in high pressure. See How to Use Spray Wand

instructions in the Operation

Section.

Low water supply.

Water supply must be at least 5

GPM @ 20 PSI.

Leak at high pressure hose fitting.

Repair leak. Apply sealant tape

if necessary.

Nozzle obstructed.

See Nozzle Cleaning instructions

in the Maintenance section.

Water filter screen clogged. Remove and clean filter.

Air in hose.

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 re-

move remaining air.

High pressure hose is too long.

Use high pressure hose under

100 feet.

Engine not primed

Push primer button three times

Throttle control lever is not in the

“Fast” position.

Move throttle control lever to the

“Fast” position.

Spray wand not in low pressure.

See How to Use Spray Wand

paragraph in the Operation

Section.

Chemical screen not in cleaning

solution.

Clean filter.

Chemical too thick.

Dilute chemical. Chemical should

be the same consistency as water.

Pressure hose is too long

Lengthen water supply hose

instead of high pressure hose.

Chemical build up in chemical

injector.

Have parts cleaned or replaced

by AWSC.

Will not draw

chemicals

Make sure end of chemical hose

is fully submerged into cleaning

solution.

Chemical filter clogged.

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Delta DTT2450 Instruction Manual Page 13

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