OPERATION
STARTUPSHUTDOWNANDCARE
OF
UNIT
Before'starting, be sure to read the safety warnings
and installation instructions.
Check oil level in pump
Turn on the watersupply.
water supply is completely turned on and that
the water tank is full before operating.
necessary.
Inspect
all
connectionsforany leaks. Tighten if
Trigger the gun to release any back-pressure.
WARNUNG
or triggered position.
DO
NOTwireor tie the gun trigger into theopen
Push starter switch toON position.
CLEANING
The
1020E
comes
with
anupstreamchemical
the chemical injector insert plasticchemical linewith
injectorsystem. See photo on page 3. When using
filter into chemical container. Close large gatevalve
factory installed sleeve. Open needle valve, directly
at water tank outlet
until
valve bottoms out against
connected to the gate valve.
Theneedlevalvemaybe used
to
adjustchemical
flow.
chemical filter on the endof hose.
If chemical does not come up chemical hose, check
Check thedistance you
will
need to hold spraynozzle
from surface by test.spraying on a scrap of similar
material. For soft surfaces, suchaswood, holdnozzle
closer,check to see
if
thehighpressurespray
is
about
3
ft.
(1
m) from surface
and
gradually bring
it
damaging the surface.
Mist-wet surface
with
cleaning solution. Let
it
soak
briefly, then use spray rinse to "chisel"
off
dirt.
Keep
nozzle
at
an
angletosurface,andatdistanceyou
determinedtobebestforsurface.Ifsomedirt
remains,repeatprocedure,letting
it
soak a little
longer.Protectsurfaces thatmightbe damaged by
solution before
it
dries.
cleaning solution or high pressure spray. and rinse
When you have finished cleaning, shut off
unit
and
trigger spray gun to relieve pressure.
Tank Manual,
801 -767.
Forabrasivecleaning,seetheWaterSandblaster
When the unit is not
in
use, turn off.the watersupply.
When shutting down for the dayor weekend,shut
off
the unit, shut
off
the water supplyvalve, and trigger
the gun to relieve pressure. Wipe
off
the unit
with
a
damp rag.
CAUTION
spraying,forlongerpumplife. The pump
will
overheatifleftrunningfor over
10
minutes
without spraying.
Check filter on inside
of
water tank at the outlet at
least once a month. If filter isplugged, remove from
tank and disassemble filter. Rinse parts
off,
reassemble filter and replace
in
water tank.
Ifwatersurgesoccurwhileusingunit,thisis
an
indication that the.filter might needcleaning.
THE PUMPMUST NOT
BE
RUN DRY andmustbe
drainedofwaterbeforeexposuretofreezing
temperatures. Use and store the unit where
it
will
not
be subjected. to freezing temperatures. Ifwater does
freeze
in
the unit,
thaw
before trying to start.
A
50%
antifreezesolutionmaybepumpedpriortocold
weather storage.
CAUTION
pour
hot
wateron afrozenpump.
A
sudden
temperaturechangemaycracktheceramic
plungers.
Do not pumpcaustic materials.
Before extended storage, flush the pump
with
light oil.
Avoid dragging hoseover an abrasivesurfacesuchas
cement,Thiscausesexcessivewearandshorter
hoselife.
Lubrication
and
Care
Fill pump crankcase to dot on oilgauge window
with
54
oz.
(1.6
liters)
of
crankcase oil(part no.
801 -144)
orequivalentSA€
40
weighthydraulicoil
with
antiwear and rust inhibitor additives. Change initial
fill after
50
hour runningperiod. Change oil every
3
months or at
500
hour intervals.
'N€V€/?
alter adjustmentor modify the unloader
Altering or adjusting unloader
willnot
increase
performance of
unit.
Service
of
the unloader must.be performed only
by qualified service personnel.
801-765
5