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Graco 218-688 Instructions-Parts List Manual page 5

Airless mastic pole gun a series

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7. Follow the Pressure Relief Procedure on
page 6.
8. Engage the gun safety ring (20), see Fig. 2,
page 6.
9. Unscrew the tip guard (17) and install the spray tip
(A) and gasket (16) in the tip guard nut. See Fig. 1,
page 4.
NOTE: The gun will leak if the tip gasket (16) is not
installed.
10. Disconnect the harness (7) clip from the gun
ring (5).
11. Place the harness (7) over one shoulder and
across the chest. Fasten the belt around the waist.
Adjust the length of the shoulder strap as needed.
12. Check that the handle grip (9) is in a comfortable
position. To adjust it, loosen the screw (3) and nut
(1), rotate the grip to a good position, and firmly
tighten the screw and nut.
Ground the System
WARNING
FIRE AND EXPLOSION HAZARD
Improper grounding could cause static
sparking, which could cause a fire or
explosion. To reduce the risk of property
damage or serious injury, follow the
grounding instructions below.
Installation
The following grounding instructions are minimum
requirements for a system. Your system may include
other equipment or objects which must be grounded.
Check your local electrical code for detailed grounding
instructions for your area and type of equipment. Your
system must be connected to a true earth ground.
1. Pump/Sprayer: Ground the pump/sprayer by
connecting a ground wire and clamp between the
pump/sprayer and a true earth ground as in-
structed in the equipment's instruction manual.
2. Air compressor: Ground according to the
manufacturer recommendations.
3. Air and fluid hoses: Use only grounded hoses
with a maximum of 500 feet (150 m) combined
hose length to ensure grounding continuity. Check
the electrical resistance of your air and fluid hoses
at least once a week. If the resistance exceeds the
recommended limits, replace the hose immedi-
ately.
4. Pole gun: Ground the gun by connecting it to a
properly grounded fluid hose and pump.
5. Fluid supply container: Ground it according to
local code.
6. Object being sprayed: Ground it according to
local code.
7. All solvent pails used when flushing: Ground
them 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 card-
board, which interrupts the grounding continuity.
8. To maintain grounding continuity when flush-
ing or relieving pressure: Always hold a metal
part of the gun firmly to the side of a grounded
metal pail, then trigger the gun.

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This manual is also suitable for:

307655A series