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TROUBLESHOOTING CHART
To
reduce the risk of serious bodily
injury,
including fluid injection, splashing
in
the eyes or
on
the skin, or
WARNING
injUryfrOmmOVingparts, alwaysfollowthe Pressure Relief Procedurewarning on page7beforeproceeding.
PROBLEM
Low Pressure
.
:
,.
Pump runs extremely
rough, pressure low.
Water leakage from under
the manifold.
Water in pump crankcase.
Frequent or premature
failure of the packing.
Strong surging at the inlet
and
low
pressure
on
the
discharge side.
Unit will not start.
......
Chemical injection system
doesn't work.
CAUSE
Worn nozzle.
Air leak
in
inlet plumbing.
Coupling slippage.
Inlet filter clogged.
Worn packing. Abrasives in
tion. Inadequate water supply.
pumped fluid or severe cavita-
charge valves.
Fouled or dirty inlet or dis-
Worn inlet or discharge valves.
Leaky discharge hose.
Pressure adjustment
set
down.
Restricted inlet or
air
entering the inlet plumbing.
Inlet restrictions and/or air
leaks. Stuck inlet or discharge
valve.
Leaking high pressure seals.
Inadequate water supply.
Worn packings.
Worn packings.
Oil
seal leaking.
May be caused by humid air
condensing into water inside
the crankcase.
Scored, damaged, or worn
plungers.
Abrasive material
in
the water
being pumped.
Inlet water temperature too
nigh.
Over pressurizing pump.
3cessive pressure due
to
~artially plugged or damaged tip
lump running too long
Nithout spraying or cleaning.
qunning pump dr$
Foreign particles
in
the inlet or
jischarge valve, or worn
inlet
tnd/or discharoe valves
Jnit not plugged in.
2.F.I.C. activated.'
ilenric motor overheated
ilectric sewice
off.
:hemica1 injector clogged.
Wjunable nozzle completely
:losed.
.ow chemical level.
lighten or replace.
Disassemble. reseal, replace bad parts,
and reassemble.
Clean. Use adequate size. Check more
frequently.
Install proper filter. Check flow available to
pump. Replace packings.
Clean inlet and discharge valve assemblies.
Replace worn valves and/or discharge hose.
Turn adjustment knob
in
to
increase
pressure.
tight seal.
Proper size inlet plumbing; check for air
Clean
out foreign material, replace worn
valves.
Replace seals
Check flow available to pump.
Replace packings.
Replace packings.
Replace oil seals.
Change
oil
at
3
month or
500
hour intervals.
Replace plungers.
Install proper inlet filter.
Check inlet water temperature; be
sure not to exceed
1
60°F.
Do
not modify any factory-set
adjustments.
Clean or replace tip.
Never run pump more than
10
minutes without spraying or cleaning.
Do
not run pump without water.
Replace or clean valves.
Check power cord.
Check for proper grounding.
Push Switch
ON
(RESETI
button.
St
motor
cool
and push reset button
,n motor.
:heck fusehircuit breaker panel.
Jisassemble chemical valve and clean.
;heck and clean chemical hose and filter.
[urn control ring
on
nozzle clockwise
o
cause drop in pressure.
:heck level of chemical.
31
.3
8'
802-776
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