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5
INSTALLATION
Figure
1
SPRAY
GUN
SPRAY
HOSE
QUICK
COUPLER
QUICK
COUPLER
HIGH
PRESSURE HOSE
CONNECTION
INLET W
ATER
CONNECTION 3/4”
GARDEN HOSE
Check for Shipping Damage
Check
the unit for any
damage that may have occurred
in shipping. Notify the carrier immediately if there is
any
damage.
Set Up
If
you are using a downstream chemical injector
, install
it between the pump unloader and the high pressure
hose,
using the quick couplers provided.
Connect the high pressure hose between the pump
outlet
and the gun inlet. Both of these connections are
made
with quick couplers.
CAUTION
Up to 100 ft (30 m) of high pressure hose may
be used.
Longer hoses may af fect sprayer
performance,
and chemical injector
performance,
if
used.
Install the appropriate spray tip on the wand. See
Installing and Changing Spray Tips. If you are using a
sandblaster
kit, see
its separate manual for installation
instructions.
Connect to Water Supply
CAUTION
Before attaching to the water supply, check your
local
plumbing code regarding cross–
connection
to the water supply . A backflow preventer , P/N
801–133, is available to prevent backflow of
contaminated water into the fresh water supply .
Install
it upstream from the pump.
If inlet water pressure is over 60 psi (4.1 bar) a
regulating water valve, P/N 800–258, must be
installed
at the garden hose connection.
Do not exceed 160 _ F (70_ C) inlet water
temperature.
Connect
a hose with at least a 3/4 inch (19
mm) ID from
the
water supply to the unit’
s 3/4 inch garden hose inlet.
The
supply hose
should not be more than 50 ft (15 m)
long.
NOTE: The water source at the unit
must
have a
minimum flow rate equal to that of the unit
(see T
echnical Data, inside back cover).