Troubleshooting Guide - Delta DTT2450 Instruction Manual

PROBLEM
Engine will not
start (see Engine
Manual for
further engine
troubleshooting)
No or low
pressure
(initial use)
Will not draw
chemicals
TROUBLE SHOOTING GUIDE
CAUSE
No fuel.
Pressure builds up after two pulls on
the recoil starter or after initial use.
Engine not primed
Spark plug wire not attached.
Spray wand not in high pressure.
Low water supply.
Leak at high pressure hose fitting.
Nozzle obstructed.
Water filter screen clogged.
Air in hose.
Throttle control lever is not in the
"Fast" position.
High pressure hose is too long.
Spray wand not in low pressure.
Chemical filter clogged.
Chemical screen not in cleaning
solution.
Chemical too thick.
Pressure hose is too long
Chemical build up in chemical
injector.
Add Fuel.
Squeeze gun trigger to relieve
pressure.
Push primer button three times
Attach spark plug wire.
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 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 re-
move remaining air.
Move throttle control lever to the
"Fast" position.
Use high pressure hose under
100 feet.
See How to Use Spray Wand
paragraph in the Operation
Section.
Clean filter.
Make sure end of chemical hose
is fully submerged into cleaning
solution.
Dilute chemical. Chemical should
be the same consistency as water.
Lengthen water supply hose
instead of high pressure hose.
Have parts cleaned or replaced
by AWSC.
13- ENG
CORRECTION
A04032