Graco 226-991, Instructions-Parts List Manual

Page: 6 / 24

INSTALLATION
1 . Secure the sprayer stand to the floor in a
suitable location. Refer to the mounting hole.
diagram in manual
2 . Install a bleed-type master air shutoff valve
on the main air supply line to provide a remote
shutoff point for all air-powered components, and a
main line air filter (2) to remove harmful dirt and
moisture from the compressed air supply. See the
Typical Installation on page 4 and the Accessories
on the back cover.
NOTE:
The air to the spray gun must be very clean
and dry to avoid contaminating the foam.
To avoid mixing the polyurethane foam chemicals
and permanently damaging the hoses, all critical
RES. Make only to and RES to RES
3. Install the ratio feed pumps in 55 gallon
drums of and RES.
a .
Screw the bung adapter and pump tightly
into the drum cover. Then tighten the nut (5)
firmly to complete the airtight seal. See Fig 1.
b .
Separate the two halves of the iden-
tification label along the perforation. Clean
the surface of the air motor with solvent and
apply the appropriate label or to
identify the chemical being pumped. See Fig
c . We recommend installing an air regulator near
the feed pump air inlet to control pump speed.
To install, remove the air valve (8) and use
suitable adapters and thread sealer on male
threads to install the regulator and pin fitting.
4. Mount the Air Dryer in a suitable location near
the and RES drums. See the Typical Installa-
tion on page 4. Refer to the mounting hole diagram
in manual
WARNING
Never pressurize a drum or container that will not
withstand 7 psi (0.49 bar) working pressure to
reduce the risk of container rupture and serious
bodily injury.
Never use a damaged drum of or RES with
the Air Dryer to reduce the risk of container rup-
ture and serious bodily injury.
a . Fill the bowl of the desiccant dryer. Unscrew
the ring to remove the dryer bowl. Refer to
the Typical Installation. Remove the filter from
the top of the bowl and fill the bowl with the
desiccant crystals provided with the kit.
Reinstall the filter and bowl.
5. Connect an air supply from the
npt quick disconnect coupler of each feed
pump to the air manifold See the Typical In-
stallation.
6 . Connect an air supply between the air
inlet of the Air Dryer and the main air supply line.
See the Typical Installation.
7 . Connect a grounded in. minimum ID main
air supply line to the air manifold (229). See
the Typical Installation.
8 . Be sure all air hose connections are tight.
Fig 1
307-542 5