Trouble shooting guide, Problem, Cause correction – DeVillbiss Air Power Company Excell A16617 User Manual
Page 18
18- ENG
A16617
TROUBLE SHOOTING GUIDE
PROBLEM
Engine will
not start (see
Engine Manual
for further
engine
troubleshooting)
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
pres sure.
Spark plug wire not attached.
Attach spark plug wire.
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.
Move choke to the "No Choke"
po si tion.
Choke lever in the "No Choke"
position.
Move choke to the "Choke"
po si tion.
Engine ON/OFF switch in OFF
po si tion.
Place engine ON/OFF switch in
ON position.
No or low
pressure
(initial use)
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- con nect water
source to pump inlet and turn on
wa ter source. Squeeze trigger to
re move re main ing air
High pressure hose is too long.
Use high pressure hose under
100 feet.
Choke lever in the “Choke” position.
Move choke to the “No Choke”
po si tion.