Troubleshooting Guide - DeWalt DXPW3200V Manual

This section provides a list of the more frequently encountered malfunctions, their causes and corrective actions. The operator or
maintenance personnel can perform some corrective actions, and others may require assistance, contact us at: AUST 1800 841 749 /
NZ 0800 467 813 for assistance.
Operational issue
Engine will not start (see
Engine Owner's
Manuall for further engine
troubleshooting)
No or lowpressure (initial use)
Will not draw chemicals
No or low pressure (after period
of normal use)
Water leaking at gun/spray
wand connection
Water leaking at pump
Pump pulsates
TROUBLE SHOOTING GUIDE
BE sURE TO FOllOW sAFETY RUlEs AnD insTRUCTiOns
Possible Cause
No petrol.
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 switch in OFF po si tion
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
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 in the "Choke" position
High pressure hose is too long
Spray wand not in low pressure
Chemical filter clogged
Chemical too thick
Pressure hose is too long
Chemical build up in chemical injector
Worn seal or packing
Worn or obstructed valves
Worn unloader piston
Worn or broken o-ring
Loose hose connection
Loose connections
Piston packings worn
Worn or broken o-rings
Pump head or tubes damaged from freezing
Nozzle obstructed
sOlUTiOn
Add fresh petroll.
Squeeze gun trigger to relieve pres sure
Move choke to the "Choke"po si tion
Attach spark plug wire.
Place engine switch in ON position
Move choke to the "No Choke"po si tion
See How to Use Spray Wand instructions in the Operation
Section
Water supply must be at least 5 gpm @ 20 psi
Repair leak. Apply sealant tapeif necessary
See Nozzle Cleaning instructions in the Maintenance section
Remove and clean filter. See Cleaning Water Inlet Filter
paragraph in the Maintenance section for the correct procedure
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- con nect water source to
pump inlet and turn on wa ter source. Squeeze trigger to re move
re main ing air
Move choke to the "No Choke"po si tion
Use high pressure hose under100 feet (30 m)
See How to Use Spray Wand paragraph in the Operation Section
Clean filter
Dilute chemical. Chemical should be the same consistency as
water
Lengthen water supply hose instead of high pressure hose
Have replaced by authorised service centre.
Have replaced by authorised service centre.
Have replaced by authorised service centre.
Have replaced by authorised service centre.
Check and replace
Tighten
Tighten
Have replaced by authorised service centre.
Have replaced by authorised service centre.
Have replaced by authorised service centre.
See Nozzle Cleaning paragraph in the Maintenance section for
the correct procedure
English
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