5
INSTALLATION
Figure 1
PUMP DIP-
STICK
HIGH
PRESSURE
HOSE
CONNECTION
2 x 1/2” NPT(f)
WATER
CONNECTION
2 x 1” NPT(f)
PUMP OIL
LEVEL
INDICATOR
WINDOW
Water supply tank, gun & wand assem-
bly, hose assembly and motor starter are
not included.
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
Before connecting the unit, be sure the electrical service
matches the specification in Technical Data (inside back
cover) and the voltage label on the unit. With the unit off,
connect the power supply cord to a grounded,
GFCI–protected circuit.
If you are using a downstream chemical injector, install it
between the pump unloader and the high pressure hose.
Connect the high pressure hose between the pump outlet
and the gun inlet.
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 T ips. 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.
Install a regulating water valve, P/N 800–258, if
inlet water pressure is over 60 psi (4.1 bar).
Do not exceed 160
_
F (70
_
C) inlet water
temperature.
NOTE:
The water source for the unit
must have a
minimum 100 gallon float valve controlled
water holding tank.
