Installation - Graco PRO-WASH 112636 Instructions-Parts List Manual

Gun washer
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Install the Gun Washer
WARNING
FIRE HAZARD
To prevent hazardous concentrations of
flammable and/or toxic vapors, the gun
washer must be installed in a properly
ventilated paint mixing room or spray booth. Never
operate the gun washer unless ventilation fans are
operating.
Check and follow all the National, State and Local
codes regarding ventilation requirements.
Make sure the gun washer is standing on a level, solid
surface.
Grounding
WARNING
FIRE AND EXPLOSION HAZARD
Improper grounding can cause a
hazardous condition and result in fire or
explosion and serious injury. Ground the
gun washer and all other equipment
used or located in the gun washer area.
Check your local electrical code for
detailed grounding instructions for your area and
type of equipment. Also read the section FIRE
AND EXPLOSION HAZARD, on page 4.
1. Ground the gun washer and its pump by connect-
ing the clamp end (A) of the gun washer 's 15 ft.
(4.6 m) ground wire (B) to a true earth ground (C).
See Fig. 2.
2. Use only grounded air and fluid hoses with a maxi-
mum of 500 ft. (150 m) combined hose length to
ensure grounding continuity.
3. Ground the air compressor according to manufac-
turer's recommendations.
4. Ground all solvent pails used when flushing and
draining according to local code. Use only metal
pails, which are conductive. Do not place the pail
on a non-conductive surface, such as paper or
cardboard, which interrupts the grounding continu-
ity.
8
308393

Installation

Connect the Air Line
1. Install an air pressure regulator (D) on the gun
washer air supply line to control air pressure to the
gun washer. See Fig. 2.
2. Install a bleed-type master air valve (E) upstream
and within easy reach of the gun washer to relieve
air trapped between this valve and the pump after
the air is shut off.
PRESSURIZED EQUIPMENT HAZARD
The bleed-type master air valve (E) is required in
your system to relieve air trapped between this
valve and the pump after the air is shut off.
Trapped air can cause the pump to cycle unexpect-
edly, which could result in serious injury, including
splashing in the eyes or on the skin.
3. Install a 1/4 in. npt male coupler (F), that is com-
patible with the quick disconnect of your air supply
line, into the air inlet adapter (G). See Fig. 1.
4. Connect the air line (H) to the coupler (F).
Fig. 1
WARNING
G
F
03302

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Pro-wash 112635Pro-wash 112634

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