97-6642 • HOTSY 781SS, 871SS, 921SS • REV. 7/06
PRESSURE
W
ASHER
Tr
oub
leshooting Guide
14
trOubLEShOOting
SyMptOM
pOSSibLE cauSES
cOrrEctivE actiOn
gaS EnginE WiLL
nOt run.
Out of gas
Replenish supply. Use only recom-mended
fuels. Refer to
before Starting
under
Op-
eration.
Fuel valve closed (if so equipped)
Open valve.
Loose spark plug wire
Reconnect.
Choke or throttle set incorrectly
Refer to
to Start
under
Operation
.
Engine ON/OFF switch in OFF position Place engine ON/OFF switch in ON position.
Low engine oil level.
Replenish supply. Engine will not start or run
if oil is low (on engines equipped with low oil
protection).
refer to provided gasoline engine manual for additional troubleshooting
prESSurE
WaShEr runS
but WOn't
Spray.
Trigger of trigger gun released
Squeeze trigger.
Water supply not turned on
Open water supply valve.
Clogged pressure nozzle
Clean pressure nozzle opening.
if water spray doesn't show with in 10-15 seconds discontinue running the
machine and troubleshoot as damage to the pump will occur if allowed to run
LOW Spray
prESSurE at
prESSurE
nOZZLE.
Inadequate water supply.
Fully open faucet. Check for kinked or dam-
aged hose. Use 3/4 inch minimum hose.
Check for debris clogging inlet screen.
Partially clogged or damaged pressure
nozzle
Clean or replace.
Air being drawn through detergent inlet
line
Refill detergent container. Ensure that pick-
up screen is fully immersed.
Detergent injector valve not set cor-
rectly
Refer to
to clean
for settings.
unEvEn Spray
pattErn.
Partially clogged or damaged pressure
nozzle.
Clean or replace.
prESSurE
WaShEr WiLL
nOt prODucE
hOt WatEr.
Burner switch in OFF position.
Place switch in ON position.
Inadequate fuel supply
Refill fuel tank. Use only recommend-ed fu-
els. Refer to
before Starting
under
Opera-
tion.
Inadequate water supply
Fully open faucet. Check for kinked or dam-
aged hose. Use 3/4 inch minimum hose.
Check for debris clogging inlet screen.
Trigger of trigger gun released
Squeeze trigger. Water must be spraying for
burner to light
Summary of Contents for 781SS
Page 33: ......
