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OPERATlQM
:
Startup
'
.
Before starting, be sure'to read the safety warnings
and setup instructions.
Turn on the water supply.
Trigger the gun to release any back pressure.
CAUTION
I
',
to the pump
will
result. Always be sure water
Never run the cleaning unit dry. Costlydamage
necessary.
supply iscompletelyturned
on
before operating.
Cleaning
Inspect
all
connections for any leaks. Tighten if
Injector manual, 801
-1
92.
For Hydra-Clean technique, see the Chemical
'I
For abrasive cleaning, see the Water Sandblaster
manual, 801 -1
90.
WAffiNBNG
Follow
these precautions when removing and
installing nozzles:
1.
Shutoff the cleaning unit andtriggerthegun
to relieve pressure. Engage the triggersafety.
2.
Keep the nozzle and the tube pointed
away
from you and everyone else.
3.
Do
not put your hand over the tip to push the
nozzle into place. Grasp
it
from the side and
keep your fingers away from the tip.
4.
Do
not let anyone else touch the spray valve
while you are cleaning nozztes.
5.
Be sure the slip ring
is
pushedforward to lock
the nozzle in place before triggering the spray
gun.
Shutdown and. Care
Of
Unit
When unit is not in use, turn off water supply.
When shutting down for the day or weekend, shut off
release pressure. Wipe off the unit with
a
damp rag.
unit, shut off water supply valve, and trigger gun to
Check the filter screen
in
the water inlet connection
as often as necessary,
at
least daily.
Do
not operate
the unit with the inlet and filter screen removed.
DO
NOTtrytoadjusttheunloadervalveorchangethe
engine speed. Changing these settings rnay cause
wasted fuel and increased wear
on
parts and
will
void
excessive pressure, intermittent unloader operation,
the warranty.
of water prior to exposure to freezing temperatures.
PUMP MUST
NOT
BE
RUN
DRY
and must be drained
Use 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 rnay be pumped prior to cold weather
storage.
Use only spray tips that are matched to the unit to
valve. See Accessories.
avoid excessive cycling and wear of the unloader
CAUTION
temperature change may crack the ceramic
pour hot water
on
a
frozen pump. A sudden
Do
not pump caustic materials.
oil.
Before extended storage, flush the pump with light
Avoid dragging hoseoveranabrasivesurfacesuch as
cement. This causes excessive wear and shorter
hose life.
Clean the intake line strainer daily.
Lubrication
and
Care
Fill
pump crankcase to dot
on
oil,gauge window
with
25
oz.
(0.75
liters) of crankcase oil (part
no.
801
-1
44)
or equivalent SA€
40
weight hydraulic
oil
with
antiwear and rust inhibitor additives. Change initial
fill after
50
hour running period. Change oil every
3
months or
at
500
hour intervals.
WARNONG
NEVER
alter adlustment or modify the unloader
1
valve.
.
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