Graco HYDRA-CAT FIXED RATIO Instructions-Parts List Manual
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Graco HYDRA-CAT FIXED RATIO Instructions-Parts List Manual

Graco HYDRA-CAT FIXED RATIO Instructions-Parts List Manual

Proportioning pumps
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INSTRUCTIONS–PARTS LIST
This manual contains important
warnings and information.
READ AND KEEP IT FOR REFERENCE.
INSTRUCTIONS
r
HYDRA-CAT
FIXED RATIO
Proportioning Pumps
Available as Bare Pumps,*
Wall-Mounted* or Free-Standing* Models
*Includes Automatic Pressure Relief Valves, Check
Valves, Pressure Gauges and
Regulators
ENTER CODE NUMBER ON LINE BELOW
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FRHC–
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Enter Part No.
NOTE: This manual is a reference when using
Configurated Hydracat and manual 309002.
Plural Component Materials Hazard
Graco Inc. does not manufacture or supply any of the reactive chemical materials that may be used in this equipment and
is not responsible for their effects. Because of the vast number of chemicals that could be used and their varying chemical
reaction, before using this equipment the buyer and the user should determine all facts relating to the materials used, in-
cluding any of the potential hazards involved. Particular inquiry and investigation should be made into the potential dan-
gers relating to toxic fumes, fires, explosions, reaction times, and exposure of human beings to the individual components
or their resultant mixtures. Graco assumes no responsibility for loss, damage, expense or claims for bodily injury or prop-
erty damage, direct or consequential, arising from the use of such chemical components.
GRACO INC. P.O. BOX 1441 MINNEAPOLIS, MN 554401441
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ECOPYRIGHT 1999, GRACO INC.
Graco Inc. is registered to I.S. EN ISO 9001
First choice when
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Typical
Free Standing Assembly
Shown
WARNING
308986
quality counts.t
Rev. C
02884A

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Summary of Contents for Graco HYDRA-CAT FIXED RATIO

  • Page 1 Plural Component Materials Hazard Graco Inc. does not manufacture or supply any of the reactive chemical materials that may be used in this equipment and is not responsible for their effects. Because of the vast number of chemicals that could be used and their varying chemical reaction, before using this equipment the buyer and the user should determine all facts relating to the materials used, in- cluding any of the potential hazards involved.

  • Page 2: Table Of Contents

    ........Graco Phone Number ......

  • Page 3: Warnings

    D This equipment is for professional use only. D Read all instruction manuals, warnings, 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.
  • Page 4 WARNING INJECTION HAZARD Spray from the spray gun, hose leaks, or ruptured components can inject fluid into your body and cause extremely serious injury, including the need for amputation. Splashing fluid in the eyes or on the skin can also cause serious injury. D Fluid injected into the skin might look like just a cut, but it is a serious injury.
  • Page 5 D Avoid exposure to heated material fumes. D Provide adequate ventilation. D Graco does not manufacture or supply any of the reactive chemical components that may be used in this equipment and is not responsible for their effects. Graco assumes no responsibility for loss, damage, expense or claims for personal injury or property damage, direct or conse- quential, arising from the use of such chemical components.

  • Page 6: System Information

    System Information This manual describes pumps designed to be part of a The basic proportioner includes an air motor, lower Hydra-Cat dispensing system that will proportion, mix, displacement pumps, air controls, fluid inlet hardware, and dispense two-component fluids. The fixed ratio fluid outlet hoses, manifold blocks and relief valve.

  • Page 7: Typical Installation

    Hydra-Cat pump outbound fluid pressure on the exact position of the installed system. For assis- the feed supply. tance in designing your system, contact your nearest Graco representative. Two Displacement Pumps, with Feed Pumps Bleed-type master Proportioning pump...
  • Page 8 For assis- tance in designing your system, contact your nearest Graco representative. Heavy Viscosity Heated Feed System with Three Displacement Pumps Bleed-type master air valve...
  • Page 9 For clarity, various components are shown in the correct order but may not be shown in the exact position of the installed system. For assis- tance in designing your system, contact your nearest Graco representative. Hydraulic Pump Hydraulic Pump Feed Pumps...
  • Page 10 For a safe and efficient system, Graco recommends that the air and 2. Label all pumps, hoses, fluid regulators, etc. to fluid components supplied with the Wall Mount and indicate whether they are for the resin side or Stand models also be used in customized systems.
  • Page 11 Carefully follow the manufacturer’s recommendations system must be connected to a true earth ground. on reservoir and filter cleaning, and periodic changes of hydraulic fluid. Use only Graco approved hydraulic 1. Pump: oil. Order Part No. 169–236, 5 gallon (19 liter) or 207–428, 1 gallon (3.8 liter).
  • Page 12 Installation Available Accessories (Cont’d) 6. Hydraulic Power Supply or Air compres- sor: follow manufacturer’s recommendations. On the hydraulic return line (D), install the following accessories in the order shown in Fig. 3, using adapt- 7. Spray gun or dispensing valve: grounding is ers as necessary.
  • Page 13 Installation Air Control Accessories 3. Install a pump runaway valve (D) for each feed pump to automatically shut off the air to the pump Install the accessories in the order shown in Fig. 5. if the pump accelerates beyond the pre-adjusted Mount only the air regulator (E) and a master air setting.
  • Page 14 Installation Automatic Pressure Relief Valves Additional System Components (continued) Install and connect the feed pumps, solvent pump, heaters, etc. Refer to the Typical Installations Fig. 6. Two drain bottle kits (B) are included with the (pages 7, 8 and 9) for parts information. stand mount models to catch the drainage if the auto- matic pressure relief valves (A) open.
  • Page 15 Installation – Optional Fluid Heaters WARNING INJECTION HAZARD To reduce the risk of serious injury, follow the Pressure Relief Procedure on page 23 before installing the heaters. 201a 201b All Models 1. See Fig. 9. Mount a heater to each side of the mounting bracket using the three screws (201a) and lockwashers (201b) supplied with each heater.
  • Page 16 Installation – Optional Fluid Heaters Two Displacement Pump Models 3. Install another hardener fluid hose (FB) between heater outlet elbow (202B) and hardener side of 1. See Figs. 10 and 11. Loosen swivels of unions mixer manifold (23). (17A and 17B) to remove elbows (16A and 16B) on each side of mixer manifold (23).
  • Page 17 Installation – Optional Fluid Heaters 205A 204B HARD HARD 202B 202A HARD HEATER HEATER 203A 203B 02894 Fig. 12 Three Displacement Pump Models 1. Loosen the swivel of the unions (17A, 17B) to remove the elbow (16A, 16B) on each side of the mixer manifold (23).
  • Page 18 Installation – Optional Solvent Pump NOTE: The optional solvent pump is not offered as a 4. Couple the hose (303) and couplings (302). kit; order parts as needed. These instructions assume Connect the hose (303) to the adapter (301). that the pump is being mounted to the back of the stand offered in this manual.

  • Page 19: Dimensions

    Dimensions 02910A BulldogR 14–34” (375 mm) 32–3/4” (832 mm) KingR 21.5” (534 mm) 28–1/4” (718 mm) PresidentR 16.06” (408 mm) 17–3/4” (451 mm) ViscountR 11.2” (284.48 mm) 30–1/4” (768 mm) ViscountR II 18.6” (472 mm) 11” (279 mm) 12–1/2” (318 mm) 308986...

  • Page 20: Flushing

    Flushing When to Flush the System How to Operate the Mixer Manifold D Flush the system before its first use to remove the Push handle (KK) down to open or up to close the mixer manifold fluid valves (LL) . See Fig. 15. light oil which was left in after factory testing.
  • Page 21 Flushing How to Flush the System 7. Open the hardener side drain valve (P1). Open the mixer manifold handle (KK). See Fig. 15. WARNING 8. Slowly increase the air regulator (E1) setting until the pump is running slowly. HOT SURFACE HAZARD If your system is equipped with heaters, 9.
  • Page 22 Flushing If this is a first time flush . . . How to Flush a Hydraulic Operated System 12. Repeat the flushing procedure using a solvent compatible with the fluid you are going to dispense. WARNING When you are done flushing . . . FIRE AND EXPLOSION HAZARD 13.

  • Page 23: Operation

    Operation Pneumatic Pressure Relief Procedure 10. Ensure pump air pressure and main air valve are closed. WARNING 11. If you suspect that the nozzle or hose is com- pletely clogged, or that pressure has not been fully INJECTION HAZARD relieved after following the steps above: The system pressure must be manually a.
  • Page 24 Keep each displacement pump throat packing nut (JJ) 2. Shut off power to the feed pumps. filled with Graco ISO Pump Oil to help prevent fluid from drying on the displacement rod and damaging the 3. Shut off the hydraulic power supply.
  • Page 25 Operation Check Drainage Bottles and Hoses Monitor Material Supply Monitor system material supply regularly based on WARNING system usage. INJECTION HAZARD To reduce the risk of serious injury and property CAUTION damage, regularly check and clean the drain hose and bottle for the automatic pressure relief valve. Establish a rigid system for monitoring the material If material is allowed to dry in and clog the drain supply to prevent the pumps from running dry.
  • Page 26 Operation Pneumatic Startup 3. Open mix manifold valve (KK). Handle down. 4. Open drain valves (P) until material flows from WARNING both sides. Increase feed pressure up to 100 psi, if needed, to get material to flow. INJECTION HAZARD To reduce the risk of serious injury, 5.
  • Page 27 Operation Pneumatic Startup (Cont”d) Checking Mix Ratio 13. Note pressures while spraying and material tem- WARNING peratures if heaters are used. While triggering dispense valve (S), check fluid outlet pressure INJECTION HAZARD gauges (J2) and make note of pressures indicated. To reduce the risk of serious injury, Check the gauges frequently during operation.
  • Page 28 Operation 10. While observing the pump outlet gauges (J2), Hydraulic Startup – Prime the Pump adjust the resin and hardener drain valves (P1,P2) 1. See Fig. 3. Check the hydraulic fluid level before until the gauges show your normal operating each use, and add fluid as necessary.
  • Page 29 Operation 9. Use the fluid pressure gauge (F) and pressure- CAUTION reducing valve (H) to control pump outlet pressure and pump speed. Always use the lowest hydraulic Do not allow the pump to run dry. It will quickly flow and pressure necessary to get the desired accelerate to a high speed, causing damage.

  • Page 30: Shutdown And Care Of The System

    Shutdown and Care of the System Arrow must point down. WARNING Apply tape and sealant to threads. INJECTION HAZARD To reduce the risk of serious injury, follow the Pressure Relief Procedure on page 23 whenever you are instructed to relieve the pressure. System Shutdown To shut the system down, shut off the air to all pumps, trigger the dispensing valve into a grounded metal...

  • Page 31: Troubleshooting

    Troubleshooting WARNING WARNING INJECTION HAZARD MOVING PARTS HAZARD To reduce the risk of an injury from To reduce the risk of serious injury, injection, splashing fluid, or moving including amputation, from moving parts parts, follow the Pressure Relief Proce- inside the air motor housing, never dure on page 23 if the spray tip/nozzle clogs and operate the pump with the air motor plate removed.
  • Page 32 Troubleshooting Problem Cause Solution System will not run or Air pressure or volume too low. Increase, check air compressor. stops while running. Closed or restricted air line or air valve. Open or clean as required. (Air Motor) Fluid valves closed. Open fluid valves.
  • Page 33 Troubleshooting Problem Cause Solution Pump operates but hard- Dirty, worn or damaged hardener pump Clean, service pump. See instructions ener output pressure intake valve. in separate manual 307944 or 684004. drops during downstroke.* Pump operates but hard- Dirty, worn or damaged hardener pump Clean, service pump.

  • Page 34: Service - Pneumatic Displacement Pump

    Service – Pneumatic System Displacement Pump 2. Three Displacement Pump Models Only WARNING Unscrew the swivel union (33) from the bottom of the center displacement pump. Unscrew the swivel INJECTION HAZARD unions (126) from the outer displacement pumps. To reduce the risk of serious injury, Remove the supply manifold (125) from the outer follow the Pressure Relief Procedure pumps.
  • Page 35 Service – Pneumatic System Displacement Pump Disassembly 1. Remove the locknuts (113) from the top of the yoke (114) of the two outer displacement rods. See Fig. 25. Unscrew the outer locknuts (122) from the top of the tie plate (121) on the two displacement pumps.

  • Page 36: Service - Hydraulic Displacement Pump

    Service – Hydraulic System Displacement Pump Disconnecting the Displacement Pumps Reconnecting the Displacement Pumps 1. Apply thread sealant to the threads of the coupler NOTE: For displacement pump repair instructions, (2) and screw it onto the hydraulic motor. Place the refer to the separate displacement pump manual gasket (3) on the yoke (4).
  • Page 37 Service – Hydraulic System Displacement Pump Torque to 40–50 ft-lb (53–68 NSm). Apply thread sealant. Lubricate. 7355A Fig. 26 308986...
  • Page 38 Notes 308986...
  • Page 39 Notes 308986...

  • Page 40: Graco 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.

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