INSTALLATION
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ON/OFF switch
Check the Gearcase Oil
Remove the fill plug (A) and ensure that the oil level is
up to the fill plug opening. See Fig 1.
Connect the Gun
Remove the plastic cap plug from the filter (64) and con-
nect the 50 ft (15
m)
spray hose (67) to the
l/4
npsm(m)
filter outlet
(B).
Then connect the whip end hose (68)
between the spray hose and the fluid inlet (C) of the
gun. Do not use thread sealer. Do not install the spray
tip yet; wait until after flushing the sprayer. The longer
the spray hose, the lower the delivery rate.
To avoid damaging the pressure control, which
CAUTION
may result in poor sprayer performance, follow
these precautions:
1. Always use nylon spray hose at least
50
ft
(15.2
m)
long.
2.
Never use wire braid hose at it is too rigid to
act as a pulsation dampener.
3.
Never install any shutoff device between the
filter and the main hose. See Fig 1.
4. Never plug the main filter outlet while the
sprayer is operating.
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8
307460
Fill Packing Nut/Wet Cup
Fill the packing nut/wet cup
(38)
l/3 full with
Grace
Throat Seal Liquid (TSL) to help protect and prolong
the life of the pump’s throat packings.
Ei;;k
Electrical Service and Plug In Power Supply
Be sure the electrical service is 120 V, 60 HzAc, 15 Amp
(minimum) and that the outlet you use is properly
grounded. Use an extension cord which has 3 wires of
12 gauge (minimum) size and a maximum of 100 ft (30.3
m)
long. Longer lengths may affect sprayer perfor-
mance.
Plug in the Sprayer
Be sure the ON/OFF switch is OFF. Refer to Fig 1. Then
plug the cord into a grounded electrical outlet at least
20 ft (6
m)
away from the spray area.
WARNING
To reduce the risk of static sparking, be sure to
read and follow the grounding instructions given
on page 3 of this manual.
4
Set Pressure Control
Turn the pressure control knob (D) counterclockwise to
the lowest setting each time before you start the sprayer
to help prolong the pump life.
Flush the Pump
An important part of the care and maintenance of your
EM 480 is proper flushing. See “Flushing Guidelines”
on page 9 for “When to Flush” and “How to Flush”.
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