Graco U91023 User Manual
Installation
Spray Rig
Dry Air Supply Change Kit
For changing the supplied air hose used for input to the breathable air system.
Kit U91023
Important Safety Instructions
Read all warnings and instructions in this manual
and Spray Rig manual 312765. Save these instructions.
Parts
2
313703A
1
3
Ref Part Description Qty
1 U90031 COUPLER, quick disconnect 1
2 U90049 HOSE, 3/8 in. red air line 3 ft
3 U90119 CLAMP, hose, 2-ear 6
4 U90170 TIE, cable 10
5 U90274 FITTING, coupling, 1/4 npt x 3/8
barb, female/female, brass
6 U90281 ADAPTER, barb, 1/4 npt x 3/8 barb,
male/male, brass
7 U90319 FITTING, tee, 3/8 air hose, barb,
brass
8 U90331 TAPE, ptfe 1
9 U90330 SEALANT, pipe 1
6
5
1
2
1
7
Configuration Check
Configuration Check
Before installing the air supply change kit, verify that the
current configuration of the air system is incorrect.
1. Find the air line with the tee fitting that connects to
the input of the breathable air system. See F
See Spray Rig manual if necessary.
NOTE: The tee fitting may be installed in the
opposite line in some configurations.
F
IG. 1: Air Hose Configuration
IG. 1.
Installation
1. Verify that installation is required. See Configuration Check.
2. Relieve air pressure. See manual 312765 for warnings and instructions.
3. Being careful not to cut the other air hose, cut 1/4 in.
above and below the tee fitting clamps. See F
NOTE: The tee fitting may be installed in the
opposite line in some configurations.
IG. 3.
2. Follow the air line with the tee fitting to the air dryer.
3. Determine whether the air line is connected to the
inlet or outlet port of the air dryer. See F
IG. 2: Air Dryer Ports
F
4. If the air line with the tee fitting is connected to
the outlet port of the air dryer, your configuration
is correctly setup. No modification is required.
If the air line with the tee fitting is connected to
the inlet port of the air dryer, your configuration
requires modification. See Installation section.
IG. 2.
Inlet
Outlet
F
IG. 3: Cut Locations
4. Disconnect the air line from the breathable air system. Discard the air line, quick disconnect, tee fitting, and two clamps.
5. Install two hose clamps (3), the two male/male barb
fittings (6), and the female/female fitting (5) as
shown in F
IG. 4. Use the PTFE tape and pipe seal-
2 313703A
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