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TROUBLESHOOTING CHART
WARNING
io
reduce
the
risk
Of
serious
bodily injury,
including
fluid injection, splashing
in
the
eyes
or
on
the
skin,
or
inlury
from
moving parts, always follow
the
Pressure Rellef Procedure Warning before
procaeding.
PROBLEM
ow
pressure and/or
ump runs rough
later leakage
from
nder pump manifold
later in pump
requent
or
remature failure
of
18
packlngs
:rong surging at the
let and low pressure
1
the discharge side
lit
will
not start
CAUSE
Worn
or wrong size tip.
Inlet filter clogged.
Worn
packlngs, abrasives in water or
natural
wear.
Inadequate water supply.
Belt slippage.
Fouled or
dirty
Inlet or discharge valves.
Even a small particle can cause the valve
lo stick.
Restricted Inlet.
Worn
inlet or discharge valves.
Leaking high pressure hose.
Worn
packlngs.
Yumld air condensing inside crankcase.
Nom
packlngs.
3ii
seals
leaking.
bred, damaged or worn plungers.
ibrasive material In the fluid being pumped.
nlet water temperature
too
high.
hrpressurlzing pump.
3cessive pressure due
to
partially plugged
)r damaged tip.
'ump running
tw
long without spraying.
3unnlng pump dry.
:orelgn particles in the Inlet or discharge
alve or worn inlet and/or discharge valves.
Init not plugged In.
ilectrlcal service off/GFCI activated.
hermal overload has tripped.
SOLUTION
Replace with tip
of
proper size.
Clean. Check more frequently.
Check filter. Replace packlngs.
See
PUMP SERVICE.
Check water flow rate to pump. Unit must have
a
tank.
minimum
55
gallon float valve controlled water holding
TlgMen or replace.
Clean inlet and discharge valve assemblleg.
Check
filter.
Check garden
hose,
may
be
collapsed or kinked.
Replace worn valves.
Replace high pressure
hcse.
install new packings.
See
PUMP SERVICE.
Change oil
as
specified In MAINTENANCE.
Install new packlngs.
See
PUMP SERVICE.
Install new oil
seals.
See
PUMP SERVICE.
nstall new plungers.
See
PUMP SERVICE.
nstall proper filtration on pump Inlet plumbing.
:heck water temperature; mav
not
exceed
160°F.
lo
not modi any
factory-set
adjustments.
See
EQUIPMEN
r
MISUSE
HAZARD.
:lean
or replace tip.
See
Installing and Changing Spra)
rips.
Uever run pump more than
10
minutes without spraylnc
Io
Mt
run pump without water.
:lean or replace valves.
See
PUMP SERVICE.
:heck power cord.
:heck fuse/clrcult breaker. Check for proper
iroundlng.
'ress
reset
button on
motof
fur
1
phase units. Press
top button
on
the
motor starter for
3
phase units.
308-535
B