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PROBLEM
En
ine Will Not Start
Oraard
To
Start.
Engine Misses Or Lacks
Power
Low Pressure
'ump runs extremely rough,
xessure low.
Nater kaka
e
from under
he manifold!
Nater in pump crankcase.
~~
:requent orprematurefailure
)f the packmg.
;trong surging at the inlet
ischarge side.
nd low pressure
on
the
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C
C
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C
'C
P
b
E
tl
P
C
R
d,
F
a
-
L
CAUSE
No gasoline
in
fuel tank or
carburetor.
Water in gasoline or old fuel.
Choked improperly. Flooded
engine.
Dirty carburetor
air
filter.
Spark plug dirty or improper
Spray gun closed.
Partially plugged
air
filter.
Spark'plug dirty, wrong gap,
3r wrong type.
Incorrect ignition tithing.
JVorn nozzle.
Jelt slippage.
4ir leak
in
inlet plumbing.
%lief valve stuck, partially
,lugged or improperly
adjusted; valve seat worn.
mproper
size.
nlet suction strainer clogged
01
aorn packin Abrasives in
lumped fluijor severe cavita-
:ion. Inadequate water supply.
=oulsd or dirty inlet or discharge
ralves.
Norn inlet or discharge valves.
.eaky discharge hose
iestricted inlet
or
air entering
he inlet plumbing.
nlet restrictions and/or air
eaks. Stuck inlet or discharge
malve.
.eaking H.P. seals.
Vorn packing.
Aay
be caused by humid,air
ondensing into water lnslde the
rankcase.
;cored plungers.
her pressure to inlet manifold.
lamaged or worn plungers.
rbrasive material in the fluid
eing pumped.
ixcessive pressure and/or
?mperature of fluid being
umped.
lver pressure of pumps.
:unning pump dry.
oreign particles in the inlet or
ischarge valve, or worn inlet
nd/or discharge valves.
gap.
valve.
Fill the tank with gasoline, open fuel shut-off
Check fuel line and carburetor.
and dry
suark
ulug.
Drain fuel tank and carburetor. Use new fuel
..
Open choke and crank engine several times to
clear out the gas.
I
.-
.
Remove and clean.
Clean, adjust the gap or replace.
Clean, adjust the gap, or replace.
Time engine.
Remove
and
clean.
Replace with nozzle of proper size.
Tighten or replace; use correct belts and replace
both
at
same time.
Disassemble, reseal, and.reassemble.
Clean. and adjust relief valve; check for worr
and dirty valve seats.
Kit
available.
frequently.
Clean. Use adequate size. Check more
Install proper filter. Check flow available to
pump.
Clean inlet and discharge valve assemblies.
discharae hose.
Replace worn valves, valve seats and/or
sea?
Pro er size inlet plumbing; check for air tight
Clean out foreign material, replace worn valves.
Reolace seals.
Install new packing.
Change oil at
3
month or
500
Hour intervals using
Crankcase Oil (other ap roved oil every month or
200
hours) P.N. 801-f44.
Replace plungers.
Reduce inlet pressure.
Replace plungers.
Install proper filtration
on
pump inletplumbing.
Check pressures and fluid inlet temperature; be
jure they are within speclfted range.
3educe pressure.
lo
not run pump without water.
:heck for smooth lap surfaces
on
inlet and
iischar e valve
seats.
Discharge valve seats and
nlet va
9
ve seats may be lapped on
a
veryflne
011
;tone.
I
801-644
5