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Instructions – Parts List
Foam-Catr Foam Gun
1500 psi (10.5 MPa, 105 bar) Maximum Working Pressure
Model 217373, Series E
Order a needle/nozzle kit separately. See page 5.
U.S. Patent No. 4,427,153
U.K. Patent No. 0,116,613
Patented Bréveté 1986 Canada
Other Foreign Patents Pending.
Read warnings and instructions.
See page 2 for Table of Contents.
GRACO INC. P.O. BOX 1441 MINNEAPOLIS, MN 55440-1441
Copyright 1982, Graco Inc. is registered to I.S. EN ISO 9001
307546T
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Summary of Contents for Graco Foam-Cat Foam Gun
- Page 1 U.K. Patent No. 0,116,613 Patented Bréveté 1986 Canada Other Foreign Patents Pending. Read warnings and instructions. See page 2 for Table of Contents. GRACO INC. P.O. BOX 1441 MINNEAPOLIS, MN 55440-1441 Copyright 1982, Graco Inc. is registered to I.S. EN ISO 9001...
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Page 2: Table Of Contents
....Graco Standard Warranty ..... . -
Page 3: Symbols
Symbols Warning Symbol Caution Symbol WARNING CAUTION This symbol alerts you to the possibility of serious This symbol alerts you to the possibility of damage to injury or death if you do not follow the instructions. or destruction of equipment if you do not follow the instructions. - Page 4 D This equipment is for professional use only. D Read all the instruction manuals, tags, and labels before operating the equipment. D Use the equipment only for its intended purpose. If you are uncertain about usage, call your Graco distributor.
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Page 5: Spray Nozzle Performance Chart
Spray Nozzle Pour Nozzle Performance Chart Performance Chart DELIVERY DELIVERY Outlet Flow Rate Needle Outlet Flow Rate Pattern Needle Pressure lb/min Nozzle Kit No. Diameter Pressure lb/min Diameter Nozzle Kit Diameter psi (bar) (kg/min) In. (mm) psi (bar) (kg/min) in. (mm) In. -
Page 6: Installation
Installation The Graco Foam-Catr Gun has been designed and You will also need a solvent flushing system to clean manufactured to withstand rugged use. However, the the gun. See page 28 to order an accessory solvent interior surfaces and cavities of the gun, and the flush kit. -
Page 7: Safety
(50). Grounding Trigger Safety (B) shown in OFF When used with Graco Heated Hose, this gun is SAFE position grounded through hose connections. For other types of hoses, be sure the hose you use is static grounded, or attach a grounding wire between a metal part of the gun and a true earth ground. -
Page 8: Installing A Needle/Nozzle Kit On A New Gun
Installation Installing a Needle/Nozzle Kit on a New Gun Gun body Nozzle housing The needle/nozzle kit includes the parts shown in Fig. Capscrew 3, except the pin vise (51) which holds the cleaning pin 26 Manifold 48 Wrench (H), and the nozzle retainer (23). 23 Nozzle Retainer 51 Pin vise Needle... - Page 9 Installation 7. Adjust the needle so it protrudes 1–3/4 in. (44 mm) 10. Push the nozzle assembly further into the front from the rear of the housing. See Fig. 7. opening (J) until the back of the assembly meets the gun body. Refer to Fig. 8. 11.
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Page 10: Connecting Hoses
14. Install the plastic shield (43) around the exposed part of the needle assembly to keep foam over The Graco heated hoses and the fluid manifold (25) spray from collecting on the needle. See Fig. 10. inlets are labeled ISO and RES. Be very careful to make only ISO to ISO and RES to RES connections. -
Page 11: Operation
Operation Pressure Relief Procedure 1. Engage the spray gun trigger latch. 2. Shut off the air to the feed pumps. WARNING 3. Turn off the electric motor switch in a hydraulic system. INJECTION HAZARD 4. Turn off the air to the proportioning system in an The system pressure must be manually air-powered system. -
Page 12: Adjusting Cleanoff Air
See Fig. 11. 4. Allow the fluid to heat thoroughly. The Graco 2. Regulate the air to the gun to 100 psi (0.7 MPa, 7 Heater and Heated Hose requires 15 minutes bar). -
Page 13: Spray Pattern Adjustment
Spray Pattern Adjustment Effects of Fluid Temperature and Pressure 2. Now, lower the fluid pressure and raise the fluid temperature in 5_ increments up to 135_. Notice This section will help you determine how fluid temper- that the spray pattern is affected much the same ature and pressure affect the spray pattern, and what by fluid temperature as it is by fluid pressure. -
Page 14: Surface Texture Descriptions
Surface Texture Descriptions Smooth Surface Texture Isocyanate-Rich Surface Texture Description Description Wavy texture. Foam is dark in color; does not become tack-free in Equipment Adjustments the time specified by the chemical manufacturer. None; has good surface texture. Caused by lack of resin in the foam. Orange Peel Texture Description Equipment Adjustments... -
Page 15: Replacing The Needle/Nozzle Assembly
Replacing the Needle/Nozzle Assembly WARNING Capscrew 25 Manifold 50 Nut driver PRESSURIZED EQUIPMENT HAZARD Safety latch To reduce the risk of serious bodily injury including Needle valves fluid injection, splashing in the eyes or on the skin, follow the Pressure Relief Procedure whenever you: D are instructed to relieve the pressure, D stop spraying,... - Page 16 Replacing the Needle/Nozzle Assembly 8. Check the interior surfaces of the nozzle housing (2). The tapered “steps” inside the nozzle housing must be free of fluid buildup. Soak the housing in solvent to soften the foam, then use a soft bristled brush to gently clean the interior surfaces.
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Page 17: Cleaning The Nozzle
Cleaning the Nozzle Foam Spraying Nozzles 5. Insert the needle (D) through the large end of the nozzle and push out any debris. Nozzle Cleaning Bore Dia. Pin Dia. Cleaning Pin 6. Repeat Steps 4 and 5 to be sure the rear impinger in. -
Page 18: Maintenance
Maintenance Fluid Buildup on Nozzle WARNING A build up of fluid on the nozzle and under the air cap PRESSURIZED EQUIPMENT HAZARD can cause an irregular spray pattern. If that happens, To reduce the risk of serious bodily injury including follow the Pressure Relief Procedure on page 11. -
Page 19: Flushing
8. Follow the Pressure Relief Procedure on page 218669. If you use this kit, refer to instruction manual 307692 for specific flushing procedure. Use this flushing procedure when a Graco Solvent Flush Kit is not available. 1. Remove the foam manifold capscrew (7) using the 3/16 in. -
Page 20: Troubleshooting
Troubleshooting D Relieve the pressure before checking or servicing WARNING the equipment. To reduce the risk of serious injury, whenever you are instructed to relieve pressure, always follow the D Check all possible problems and causes before Pressure Relief Procedure on page 11. disassembling the pump. - Page 21 Troubleshooting Problem Cause Solution Gun operates slowly when trig- Inbound air pressure too low. Increase air, but do not exceed 120 gered psi (0.8 MPa, 8 bar), since damage to air valve o-rings may result. Air valve leaking air. Check for worn, damaged, or over- compressed o-rings on valve spool and repair as needed.
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Page 22: Service
Service 9. Continue screwing the stem into the housing (28) WARNING all the way to the shoulder. Follow the Pressure Relief Procedure on page 10. Screw the housing into the manifold (26). Don’t 11, then disconnect the gun from the manifold exceed 80 in-lb (9 NSm) of torque. -
Page 23: Piston
Service 4. Clean all parts thoroughly, replacing parts as WARNING needed, and then reassemble. Follow the Pressure Relief Procedure on page 11 15 Spring before proceeding. 20 Piston 21 Cylinder cap 22 Bearing Piston (See Fig. 23) 39 O-ring 40 O-ring 1. -
Page 24: Air Valve
Service Air Valve (See Fig. 25) 10. Remove the next o-ring (18C) with the hook. 1. Relieve pressure. 11. Remove the last spacer (11B) by shaking it out or using the hook if it is stuck. Again, notice the 2. Remove the nozzle housing assembly as direction the spacer faces. - Page 25 Service 19. Install the valve spool (14) and valve pin (13), then CAUTION the stem guide (10). Tighten the stem guide until it is just snug; don’t overtighten. Be careful not to wrench the stem guide (10) too tightly to avoid damage to the air valve. 20.
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Page 26: Parts
Parts NEEDLE/NOZZLE DETAIL See back cover for ordering. Items 23 and 43 included Ref 25 Manifold Assy. with gun only. Includes items 26–32 and two of item 17. NEEDLE PACKING NUT PACKING REF 23 NOZZLE 44 or 60 45 or 46 INTO PLACE PRESS FIT INTO GUN BODY (1) - Page 27 Parts Model 217373, Series E Includes items 1 to 61 PART NO. DESCRIPTION PART NO. DESCRIPTION 217459 BODY, gun 178585 ELEMENT, strainer; SST; 80 mesh 2 178663 HOUSING, nozzle 178660 STEM, check valve 178584 TRIGGER 178659 SEAT, check valve; Delrinr 178682 PIN, trigger 106562...
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Page 28: Accessories
Accessories Must be purchased separately. Foam Flush Kit 218669 Air Valve Repair Kit 217360 120 psi (0.8 MPa, 8 bar) Maximum Working Pressure Part No. Description Qty. For solvent flushing the Foam-Cat gun. 106560 O-RING; Viton Air Valve Hook 178583 106559 O-RING;... -
Page 29: Technical Data
Technical Data Category Data Maximum working pressure 1500 psi (10.5 MPa, 105 bar) Maximum air working pressure 120 psi (0.8 MPa, 8 bar) Air inlet sizes 1/4 npt(m) with bushing; 1/8 npt(f) without bushing Fluid inlet sizes 1/4 npsm(m) with adapter; 1/8 npsm(f) without adapter Strainer element 80 mesh (177 micron) Wetted parts... -
Page 30: Graco Standard Warranty
Graco distributor 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.