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startup
Before starting,
be
sure to readthe safety warnings and
setup instructions.
Check the oil and gasoline levels.
Turn on the water supply.
Trigger the gun.
Open the by-pass valve located on the pump.
Open vent on fuel iank cap. Connen fuel line from tank
to engine fuel coupling. Prime gas line by squeezing
to the start position.
bulb
in
line three
to
five times. Advance throttle control
Turn
ON/OFF
switch (located under the engine air
cleaner) to the
ON
position. Grasp the starter cord
the unit, pull the cord rapidly out
two
or three feet.
handle, put your foot on the frame or wheel to steady
Repeat if necessary with the choke ring pulled out.
When engine fires and begins to run, push choke ring
back in. Close by-pass valve on pump.
the pump will result. Always besurewatersupply
is comoletelv turned on before ooeratina.
~ ~~ ~ ~ ~~~~ ~~ ~~ ~~
Inspect
all
connections for
any
leaks. Tighten if
necessary.
Cleaning
For Hydra-Clean technique, see the Chemical Injector
manual,
801-645.
For abrasive cleaning, see the Water Sandblaster
manual,
801
-646.
'
1.
Shut
off
the cleaning unit and trigger the gun
to
relieve pressure. Engage the trigger safety.
2.
Keep the nozzle and thetubepointedawayfrom
you and everyone else.
3.
Do
not put your hand over the tip to push the
keep your fingers away from the tip.
nozzle into place. Grasp
it
from the side and
4.
Do not let anyone else touch the spray valve
while you are cleaning nozzles.
5.
Be sure the slip ring is pushed forward to lock
the nozzle in place before triggering the spray
When unit is not in use, turn
,off
water supply.
Shutdown and Care
Of
Unit
When shutting down for the day or weekend, shut
off
unit, shut
off
water supply valve, and trigger gun to
relearn pressure. Wipe
off
the unit
with
a
damp rag.
I
cAUT1oNl
Shut
off
cleaning unit when not actuallyspraying,
for longer pump life.
The
pump
will
overheat
if
left
running for over
10
minutes without spraying.
Check the filter screen in the water inlet connection as
with the inlet and filter screen removed,
often
as
necessary,
at
least daily.
Do
not operate the unit
DO
NOT try to adjust the unloader valve. Changing
the setting may
cause^
excessive 'pressure,
intermittent unloader operation and increased wear
on parts and will void the warranty.
water
prior to
exposure to
freezing
temperatures. Use
PUMP
MUST
NOT
BE
RUN
DRY and must be drained of
and Store the unit where
it
will
not be subjected to
freezing temperatures.
If
water does freeze in the unit,
thaw before trying to start. A
50%
anti-freeze solution
may be pumped prior to cold weather storage.
excessive cycling and wear of the unloader valve. See
Use only spray tips that are matched to the unit to avoid
ACCESSORIES.
CAUTION
pour hot water on
a
frozen pump. A sudden
Let
a
frozen pump thaw in
a
warm place. Don't
temperature change may crack
the
ceramic
plungers.
Do
not pump caustic materials.
Before extended storage, flush the pump with light oil.
Avoid dragging hose over an abrasive surface such as
cement.
This
causes excessive wear and shorter hose
life.
Clean the intake line strainer daily.
Lubrication and Care
tion. Drain oil with engine warm. Engine requires
3
Change the engine oil after every
100
hoursof opera-
pints
(1.4
liters) 30W oil. See separate instruction
manual for maintenance procedures.
Fill pump crankcase to dot on oil gauge window with
34
02.
(1
.O
liters)
of
crankcase oil (part
no.
801
-1
44)
or equivalent SAE
40
weight hydraulic oil with anti-
wear and rust inhibitor additives. Change initial
fill
after
50
hour running period. Change oil every
3
months or
at
500
hour intervals.
stment or mo
Altering or adjusting unloader
will
not
increase
performance of unir.
aualified service oersonnel.
Service of the unloader must
be
performed onlyby
4
801-644
.
..~.