Graco Thermostat 308791E User Manual

Instructions – Parts List  
STAINLESS STEEL, ONE QUART (ONE LITER)  
Air Regulated  
Pressure Cups  
308791E  
Important Safety Instructions  
Read all warnings and instructions in this manual.  
Save these instructions.  
See page 10 for model numbers and maximum  
working pressures.  
7611A  
7612A  
Single Air Regulator  
Double Air Regulator  
Pressure Cup Kit  
Part No. 239802 and 245181  
Pressure Cup Kit  
Part No. 239803  
7613A  
Remote Single Air Regulator  
Pressure Cup Kit  
Part No. 239804  
 
Setup  
1
2
Push tube (3) fully into elbow fitting (D)  
Tapered side of the check valve must face towards the cup’s elbow fitting  
E
D
E
D
F
F
1
2
3
1
3
13  
2
13  
7611A  
Part No. 239802 and 245181  
Single Air Regulator Pressure Cup Kit  
7612A  
Part No. 239803  
Double Air Regulator Pressure Cup Kit  
Fig. 2  
Part No. 239804  
Remote Single Air Regulator  
Pressure Cup Kit  
G
19  
4
E
J
D
2
1
13  
1
2
Push tube (3) fully into elbow fitting (D)  
3
Tapered side of the check valve must face  
towards the cup’s elbow fitting  
H
7623A  
Fig. 3  
308791  
3
 
Operation  
WARNING  
Never exceed 20 psi (1.4 bar) static air pressure to  
the cup. Exceeding the maximum working pressure  
of the cup or any other system component could  
cause component rupture, which could result in  
serious injury and property damage.  
M
A
K
L
WARNING  
Pressure Relief Procedure  
To reduce the risk of serious injury, including splash-  
ing in the eyes or on the skin, always follow this  
procedure after you stop spraying, when checking or  
servicing any part of the spray system, before dis-  
connecting the gun, air regulator, or pressure cup  
and when removing a pressure cup for refilling or  
cleaning.  
7611A  
Fig. 4  
Spraying Tips  
The regulator is not self relieving so if the regulated air  
pressure setting is causing excessive fluid flow, follow  
these steps.  
1. Turn off the air supply to the gun.  
2. Trigger the gun into a grounded metal waste  
container to relieve fluid pressure.  
3. Place the cup on a table and slowly release the  
clamp (A) to bleed-off any residual pressure in  
the cup. See Fig. 4. Be sure to push the clamp  
lever fully to the clamped position before turning  
on the air supply to the gun again.  
1. Pull up the cup regulator adjustment knob lock-ring  
(L). See Fig. 4.  
2. Turn the adjustment knob (K) counterclockwise.  
3. Trigger the gun into a grounded metal waste  
container until cup pressure is lowered.  
Setting the Cup Air Pressure  
1. Pull up the cup regulator adjustment knob lock-ring  
(L); this allows the knob (K) to turn. See Fig. 4.  
4. Turn the adjustment knob (K) clockwise until you  
obtain the desired lower pressure setting.  
2. Set the cup pressure at zero by turning the  
adjustment knob (K) fully counterclockwise.  
5. Push down the adjustment knob lock-ring (L).  
3. Slowly turn the adjustment knob (K) clockwise to  
increase the air pressure to the cup.  
CAUTION  
Do not restrict the fluid flow by continuously spraying  
with the gun’s fluid adjustment knob (M) turned in  
(clockwise) as this will cause excessive abrasive  
wear on the fluid needle and trigger/air valve shaft.  
4. Push the adjustment knob lock-ring (L) down to  
lock the cup pressure setting.  
Setting the Gun Air Pressure  
To restrict the fluid flow, lower the cup pressure or use  
a smaller size needle/nozzle set and air cap combina-  
tion.  
NOTE: Installing the gun air inlet regulator adds a  
pressure drop that could limit the air cap pressure.  
Set the gun air pressure regulator for the minimum  
pressure needed to atomize your fluid. See your gun  
manual for recommended settings.  
If the cup pressure must be below 1.0 psi (0.07 bar) to  
achieve the desired fluid flow, a smaller needle/nozzle  
size is recommended.  
4
308791  
 
Operation  
Optional Gun Air Regulator 235119  
NOTE:  
D Installing the gun air inlet regulator adds a pressure  
drop that could limit the air cap pressure.  
D See Accessories on page 11 for air regulator  
replacement parts.  
1. Pull up the gun regulator adjustment knob lock-ring  
(L); this allows the knob to turn. See Fig. 5.  
2. Set the gun air pressure at zero by turning the  
regulator adjustment knob (K) fully counterclock-  
wise.  
L
3. Turn on the air supply to the gun.  
4. Turn the regulator adjustment knob (K) clockwise  
to increase the air pressure to the gun.  
K
WARNING  
Never exceed 100 psi (7 bar) Maximum Working  
Air Pressure to the gun. Exceeding the maxi-  
mum working pressure of the gun or any other  
system component could cause component  
rupture, which could result in serious injury and  
property damage.  
7614A  
Fig. 5  
5. Push the adjustment knob lock-ring (L) down to  
hold the pressure setting.  
308791  
5
 
Maintenance  
5. If any fluid is in the lid elbow fitting (N), flush it with  
Disconnect the Gun and Air Regulator  
from the Cup  
solvent but do not soak it in solvent for an  
extended period.  
1. Follow the Pressure Relief Procedure Warning  
on page 4.  
6. If fluid is in the tubing (3) or check valve (13),  
replace them. See the parts list for your cup  
assembly to order parts.  
2. To disengage the tube grip, push down on the  
outer ring of the lid elbow fitting (N), then pull the  
tubing (3) out of the fitting. See Fig. 6.  
3. Holding a wrench on the gun fluid inlet fitting,  
disconnect the pressure cup swivel nut fitting (E).  
E
4. Disconnect the air regulator fitting from the gun air  
inlet.  
N
A
5. Clean the gun as instructed in the gun manual.  
101  
B
CAUTION  
Do not clean the air regulators in a gun washer as it  
will damage the regulator diaphragm. Do not use any  
cleaning method that allows solvent to enter the  
regulator internally.  
3
102  
Remove the Cup Lid  
13  
1. Push the clamp lever (A) fully to the unclamped  
position, against the yoke (B). See Fig. 6.  
C
2. Twist the cup lid (101) counterclockwise to disen-  
gage the yoke hook from the cup extended pins  
(C).  
103  
3. Remove the cup lid (101).  
4. Clean the cup lid (101) and cup (103).  
CAUTION  
3668  
When cleaning the pressure cup lid (101), avoid  
prolonged exposure of the gasket (102) to solvent as  
this will cause it to swell.  
Fig. 6  
6
308791  
 
Parts  
Use Only Genuine Graco Parts and Accessories  
One Quart Pressure Cup  
Single Air Regulator Assembly  
Part No. 239801  
Part No. 235375, Series B  
Part No. 245192  
Includes the following parts:  
Includes the following parts:  
Ref.  
No.  
Part No. Description  
Qty.  
101  
236908  
LID, pressure cup; Includes  
Ref.  
item 102  
GASKET  
CUP, 1 quart (1 liter)  
1
1
1
No.  
Part No. Description  
Qty.  
102  
103  
189883  
239727  
1
2
3
4
5
6
162453  
156823  
112699  
187410  
111500  
111501  
NIPPLE  
1
1
1
1
SWIVEL FITTING  
TUBE; 1/4 in. OD X 2.38 in.  
AIR FITTING  
GAUGE; 0-15 psi (0-1 bar) range 1  
REGULATOR; 0-12 psi  
NOTE: See the Technical Data, page 10, for a list of  
pressure cup materials.  
(0-0.8 bar) range  
1
8
112698  
ELBOW FITTING; 90_ swivel;  
for 1/4 in. OD tube  
NIPPLE  
TEE FITTING  
PRESSURE RELIEF VALVE  
AIR RESTRICTOR  
101  
102  
1
1
1
1
1
9
100168  
110440  
112059  
189557  
M71256 CHECK VALVE1  
112699  
10  
11  
12  
13  
14  
TUBE, 1/4 in. OD X 2.38 in.  
(235735)  
TUBE 1/4 in. OD X 6.00 in.  
(245192)  
1
1
198527  
14  
1
2
4
103  
3
13  
11  
1
3
01960A  
1
9
Single Air Regulator Pressure Cup Kit  
Includes the following parts:  
1
8
Part No. 239802  
1
Part No.  
Description  
Qty.  
235375  
Single Air Regulator Assembly  
See parts list at right  
Pressure Cup Assembly  
See parts list above  
1
1
239801  
195065  
1
2
10  
12  
Air Inlet Fitting  
1
1
Part No. 245181  
6
5
1
Part No.  
Description  
Qty.  
01728  
245192  
Single Air Regulator Assembly  
See parts list at right  
Pressure Cup Assembly  
See parts list above  
1
2
3
Apply anaerobic pipe sealant (white) to external threads  
1
1
Press fit tightly into tee (10)  
239801  
195065  
Tapered side of the check valve must face towards the cup’s  
elbow fitting  
Air Inlet Fitting  
308791  
7
 
Parts  
Use Only Genuine Graco Parts and Accessories  
Double Air Regulator Pressure Cup Kit  
Part No. 239803  
Includes the following parts:  
Part No.  
Description  
Qty.  
235376  
Double Air Regulator Assembly  
See parts list below  
1
239801  
195065  
Pressure Cup Assembly  
See parts list, page 7  
Air Inlet Fitting  
1
1
Double Air Regulator Assembly  
Part No. 235376, Series B  
Includes the following parts:  
Ref.  
No.  
Part No. Description  
Qty.  
3
3
13  
2
3
4
5
6
156823  
112699  
162453  
111500  
111501  
SWIVEL FITTING  
TUBE; nylon; 1/4 in. OD  
NIPPLE  
GAUGE; 0-15 psi (0-1 bar) range 1  
REGULATOR; 0-12 psi  
1
2
1
1
2
1
14  
11  
1
(0-0.8 bar) range  
1
1
1
9
8
8
112698  
ELBOW FITTING; 90_ swivel;  
for 1/4 in. OD tube  
NIPPLE  
TEE FITTING  
PRESSURE RELIEF VALVE  
1
1
1
1
1
1
9
100168  
110440  
112059  
189557  
10  
11  
12  
13  
14  
AIR RESTRICTOR  
M71256 CHECK VALVE  
110436  
110438  
GAUGE; 0-100 psi  
(0-7 bar) range  
REGULATOR; 0-100 psi  
(0-7 bar) range  
1
1
15  
15  
1
2
10  
12  
1
4
1
1
6
5
01729A  
1
Apply anaerobic pipe sealant (white) to external threads  
2
3
Press fit tightly into tee (10)  
Tapered side of the check valve must face towards the cup’s  
elbow fitting  
8
308791  
 
Parts  
Use Only Genuine Graco Parts and Accessories  
Ref.  
No.  
Remote Single Air Regulator  
Pressure Cup Kit  
Part No. Description  
Qty.  
Part No. 239804  
3
4
5
6
172680  
172682  
111500  
111501  
ELBOW FITTING  
HOSE ADAPTER  
GAUGE; 0-15 psi (0-1 bar) range 1  
1
1
Includes the following parts:  
Part No.  
Description  
Qty.  
REGULATOR; 0-12 psi  
236142  
Remote Air Regulator Assembly  
See parts list below  
Pressure Cup Assembly  
See parts list, page 7  
(0-0.8 bar) range  
CONNECTOR; for 1/4 in. OD tube 1  
TUBE; nylon; 1/4 in. OD  
TEE FITTING  
PRESSURE RELIEF VALVE  
AIR RESTRICTOR  
1
1
1
7
9
112698  
112699  
110440  
112059  
189557  
239801  
2
1
1
1
1
1
10  
11  
12  
13  
14  
15  
M71256 CHECK VALVE  
Remote Air Regulator Assembly  
Part No. 236142, Series B  
Includes the following parts:  
103656  
212005  
HEX NIPPLE  
AIR HOSE; buna-n; 1/4 npsm;  
6 ft. (1.83 m) long  
1
16  
212006  
FLUID HOSE; nylon; 3/8 npsm;  
6.5 ft. (1.98 m) long  
MOUNTING BRACKET  
PANEL NUT  
Ref.  
No.  
1
1
1
1
Part No. Description  
Qty.  
17  
18  
19  
188770  
112308  
183696  
1
2
172620  
100188  
HOOK  
HEX NUT  
1
1
TEE FITTING  
1
5
1
6
17  
18  
1
1
1
14  
11  
2
3
4
4
16  
2
1
12  
19  
7
9
15  
1
10  
3
13  
01963A  
1
2
3
4
Apply anaerobic pipe sealant (white) to external threads  
Tapered side of the check valve must face towards the cup’s  
elbow fitting  
Press fit tightly into tee (10)  
Apply high strength anaerobic pipe sealant (green) to external  
threads.  
308791  
9
 
Technical Data  
Single Air Regulator Pressure Cup Kit, Part No. 239802 and 245181  
Maximum Outlet Pressure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 psi (0.8 bar)  
Maximum Inlet Pressure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100 psi (7 bar)  
Double Air Regulator Pressure Cup Kit, Part No. 239803  
Cup Regulator Maximum Outlet Pressure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 psi (0.8 bar)  
Gun Regulator Maximum Outlet Pressure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100 psi (7 bar)  
Maximum Inlet Pressure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100 psi (7 bar)  
Remote Single Air Regulator Pressure Cup Kit, Part No. 239804  
Maximum Outlet Pressure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 psi (0.8 bar)  
Maximum Inlet Pressure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100 psi (7 bar)  
One Quart Pressure Cup, Part No. 239801  
Maximum Working Pressure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 psi (1.4 bar)  
Size . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 quart (1 liter)  
Material  
Cup, Tube, Seat, and Nut . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 304 Stainless Steel  
Lid . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Glass–Filled Nylon  
Sleeve, Clamp Arm . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Electroless Nickel Plated Aluminum  
Yoke . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Electroless Nickel Plated Steel  
Cup Gasket . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Polyethylene Foam  
Cup Fluid Nut Thread . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3/8–18 npsm; R3/8–19 compound thread  
Regulator Swivel Nut Thread . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1/4–18 npsm; R1/4–19 compound thread  
Weight  
Pressure Cup Only . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 lb. 7 oz. (646 g)  
Cup with Single Air Regulator* . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 lb. 4 oz. (1007 g)  
Cup with Double Air Regulator* . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 lb. 8 oz. (1113 g)  
Remote Cup with Air Regulator Assembly* . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 lb. 9 oz. (1130 g)  
Remote Cup with Air Regulator Assembly and Hoses* . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 lb. 1 oz. (1816 g)  
Gun Air Regulator* . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 oz. (224 g)  
* Weight without gun  
10  
308791  
 
Accessories  
Spray Gun Air Regulator Assembly 235119  
Quick Disconnect Coupler 208536  
100 psi (7 bar) Maximum Outlet Pressure  
150 psi (10 bar) Maximum Inlet Pressure  
1/4 npt(f), zinc-plated brass  
NOTE: Installing the coupler adds a pressure drop that  
could limit the air cap pressure.  
For use on a spray gun with a 1/4–18 npsm air fitting.  
Includes the following parts:  
Ref.  
No.  
Part No. Description  
Qty.  
Quick Disconnect Pin 169970  
1
2
3
162453  
156823  
110436  
NIPPLE; 1/4 npt x 1/4 npsm  
1
1
1/4 npt(m), zinc-plated steel  
SWIVEL UNION; 1/4 npt  
GAUGE; 0-100 psi  
(0-7 bar) range  
REGULATOR; 0-100 psi  
(0-7 bar) range  
1
1
4
110438  
169970  
Replaces nipple 162453,  
item 1, at left  
NOTE: Installing the gun air inlet regulator adds a  
pressure drop that could limit the air cap pressure.  
208536  
3
1
0697  
2
One Quart Pressure Cup Liners 112490  
Box of 20 special blend polyethylene liners.  
Use to line cup for easy clean-up. Graco Standard  
Warranty  
4
01730  
308791  
11  
 
Graco Standard Warranty  
Graco warrants all equipment manufactured by Graco and bearing its name to be free from defects in material and workmanship on the  
date of sale to the original purchaser for use. With the exception of any special, extended, or limited warranty published by Graco,  
Graco will, for a period of twelve months from the date of sale, repair or replace any part of the equipment determined by Graco to be  
defective. This warranty applies only when the equipment is installed, operated and maintained in accordance with Graco’s written  
recommendations.  
This warranty does not cover, and Graco shall not be liable for general wear and tear, or any malfunction, damage or wear caused by  
faulty installation, misapplication, abrasion, corrosion, inadequate or improper maintenance, negligence, accident, tampering, or sub-  
stitution of non–Graco component parts. Nor shall Graco be liable for malfunction, damage or wear caused by the incompatibility of  
Graco equipment with structures, accessories, equipment or materials not supplied by Graco, or the improper design, manufacture,  
installation, operation or maintenance of structures, accessories, equipment or materials not supplied by Graco.  
This warranty is conditioned upon the prepaid return of the equipment claimed to be defective to an authorized Graco distributor for  
verification of the claimed defect. If the claimed defect is verified, Graco will repair or replace free of charge any defective parts. The  
equipment will be returned to the original purchaser transportation prepaid. If inspection of the equipment does not disclose any defect  
in material or workmanship, repairs will be made at a reasonable charge, which charges may include the costs of parts, labor, and  
transportation.  
THIS WARRANTY IS EXCLUSIVE, AND IS IN LIEU OF ANY OTHER WARRANTIES, EXPRESS OR IMPLIED, INCLUDING BUT  
NOT LIMITED TO WARRANTY OF MERCHANTABILITY OR WARRANTY OF FITNESS FOR A PARTICULAR PURPOSE.  
Graco’s sole obligation and buyer’s sole remedy for any breach of warranty shall be as set forth above. The buyer agrees that no other  
remedy (including, but not limited to, incidental or consequential damages for lost profits, lost sales, injury to person or property, or any  
other incidental or consequential loss) shall be available. Any action for breach of warranty must be brought within two (2) years of the  
date of sale.  
Graco makes no warranty, and disclaims all implied warranties of merchantability and fitness for a particular purpose in connection  
with accessories, equipment, materials or components sold but not manufactured by Graco. These items sold, but not manufactured  
by Graco (such as electric motors, switches, hose, etc.), are subject to the warranty, if any, of their manufacturer. Graco will provide  
purchaser with reasonable assistance in making any claim for breach of these warranties.  
In no event will Graco be liable for indirect, incidental, special or consequential damages resulting from Graco supplying equipment  
hereunder, or the furnishing, performance, or use of any products or other goods sold hereto, whether due to a breach of contract,  
breach of warranty, the negligence of Graco, or otherwise.  
FOR GRACO CANADA CUSTOMERS  
The parties acknowledge that they have required that the present document, as well as all documents, notices and legal proceedings  
entered into, given or instituted pursuant hereto or relating directly or indirectly hereto, be drawn up in English. Les parties reconnais-  
sent avoir convenu que la rédaction du présente document sera en Anglais, ainsi que tous documents, avis et procédures judiciaires  
exécutés, donnés ou intentés à la suite de ou en rapport, directement ou indirectement, avec les procedures concernées.  
Graco Information  
TO PLACE AN ORDER, contact your Graco distributor, or call one of the following numbers  
to identify the distributor closest to you:  
1–800–328–0211 Toll Free  
612–623–6921  
612–378–3505 Fax  
All written and visual data contained in this document reflects the latest product information available at the time of publication.  
Graco reserves the right to make changes at any time without notice.  
This manual contains English. MM 308791  
Graco Headquarters: Minneapolis  
International Offices: Belgium, China, Japan, Korea  
GRACO INC.ąP.O. BOX 1441ąMINNEAPOLIS, MNą55440-1441  
Copyright 1977, Graco Inc. is registered to I.S. EN ISO 9001  
Revised March 2008  
12  
308791  
 

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