Graco ChemSafe 307 Instructions-Parts List Manual
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Graco ChemSafe 307 Instructions-Parts List Manual

Graco ChemSafe 307 Instructions-Parts List Manual

Air-operated diaphragm pump
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Instructions-Parts
ChemSafe™ 307
Air-Operated Diaphragm Pump
3/8–inch high purity pump for industrial applications. For professional use only.
Not approved for use in European explosive atmosphere locations.
Important Safety Instructions
Read all warnings and instructions in this manual. Save these
instructions.
100 psi (0.7 MPa, 7.0 bar) Maximum Air
Supply Pressure
100 psi (0.7 MPa, 7.0 bar) Maximum
Fluid Working Pressure
PROVEN QUALITY. LEADING TECHNOLOGY.
334793D
EN

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Summary of Contents for Graco ChemSafe 307

  • Page 1 Instructions-Parts ChemSafe™ 307 334793D Air-Operated Diaphragm Pump 3/8–inch high purity pump for industrial applications. For professional use only. Not approved for use in European explosive atmosphere locations. Important Safety Instructions Read all warnings and instructions in this manual. Save these instructions.

  • Page 2: Table Of Contents

    Contents Warnings ............3 Maintenance Schedule ......... 15 Lubrication........... 15 Configuration Number Matrix ....... 6 Tighten Threaded Connections ..... 15 Installation............8 Flushing and Storage ........15 General Information ........8 Troubleshooting..........16 Tighten Bolts ..........8 Tips to Reduce Cavitation......8 Repair..............

  • Page 3: Warnings

    Warnings Warnings The following warnings are for the setup, use, grounding, maintenance, and repair of this equipment. The exclamation point symbol alerts you to a general warning and the hazard symbols refer to procedure-specific risks. When these symbols appear in the body of this manual or on warning labels, refer back to these Warnings.
  • Page 4 Warnings WARNING EQUIPMENT MISUSE HAZARD Misuse can cause death or serious injury. • Do not operate the unit when fatigued or under the influence of drugs or alcohol. • Do not exceed the maximum working pressure or temperature rating of the lowest rated system component.
  • Page 5 Warnings WARNING TOXIC FLUID OR FUMES HAZARD Toxic fluids or fumes can cause serious injury or death if splashed in the eyes or on skin, inhaled, or swallowed. • Read MSDSs to know the specific hazards of the fluids you are using. •...

  • Page 6: Configuration Number Matrix

    Configuration Number Matrix Configuration Number Matrix Check the identification plate (ID) for the Configuration Number of your pump. Use the following matrix to define the components of your pump. 307PT-P01APT3PTPTPOPT Sample Configuration Number: 307PT P01A PT PO Pump Center Fluid Seats Balls Diaphragms...
  • Page 7 Configuration Number Matrix Models Model Pump Air & Fluid Fluid Covers & Balls & Diaphragm Manifold Seal Connection Manifolds Seats Threads 24X428 bspt 3/8 in. PTFE PTFE 24X427 PTFE/EPDM Overmolded bspt 24X504 24X503 PTFE PTFE 24X536 bspt 3/8 in. UHMW EPDM UHMWPE 24X537...

  • Page 8: Installation

    Cavitation in an AODD pump is the formation and selecting and installing system components. Contact collapse of bubbles in the pumped liquid. Frequent your Graco distributor for assistance in planning a or excessive cavitation can cause serious damage, system to suit your needs. Always use Genuine including pitting and early wear of fluid chambers,...

  • Page 9: Mount The Pump

    Installation Mount The Pump 2. Be sure the mounting surface can support the weight of the pump, hoses, and accessories, as well as the stress caused during operation. 3. For all mountings, be sure the pump is secured with screws through the mounting feet. Always To avoid serious injury from toxic fluid or fumes: mount the pump upright.

  • Page 10: Ground The System

    Installation Ground The System Air Lines 1. Install an air regulator and gauge (C) to control the fluid pressure. The fluid stall pressure will be the same as the setting of the air regulator. 2. Locate a bleed-type master air valve (B) close to the pump and use it to relieve trapped air.

  • Page 11: Air Exhaust Ventilation

    Installation Air Exhaust Ventilation To provide a remote exhaust: 1. Use Kit 17F610 (NPT) or 17F611 (BSPT), sold separately. 2. Remove the muffler (U) from the pump air exhaust port (K). 3. Install the adaptor from the kit. If pumping toxic fluids, you must vent the exhaust away from people, animals, food handling areas, 4.

  • Page 12: Fluid Supply Line

    Installation Fluid Supply Line 3. For maximum suction lift (wet and dry), see Technical Data, page 29. For best results, always install the pump as close as possible to the 1. Use grounded, flexible fluid hoses (E). See material source. Minimize suction requirements Ground The System, page to maximize pump performance.

  • Page 13: Operation

    Operation Operation Start and Adjust the Pump NOTICE Tighten Bolts To avoid damage to your pump, be certain that all pumped fluids are compatible with wetted parts. Before mounting and using the pump for the Technical Data, page first time, check and retorque all external bolts. Remove all protective bolt covers (37).

  • Page 14: Pressure Relief Procedure

    Operation Pressure Relief Procedure 2. Open the dispensing valve, if used. 3. Open the fluid drain valve to relieve fluid Follow the Pressure Relief Procedure pressure. Have a container ready to catch the whenever you see this symbol. drainage. Pump Shutdown This equipment stays pressurized until pressure is relieved manually.

  • Page 15: Maintenance

    See where they are clean, dry, and protected from Torque Instructions, page extreme temperatures, UV radiation, and vibration. Graco recommends an ambient temperature range of 60°F-80°F (15°C-25°C), with a humidity level below 65%. 334793D...

  • Page 16: Troubleshooting

    Troubleshooting Troubleshooting Problem Cause Solution Pump cycles but will not prime. Pump is running too fast, causing Lower inlet pressure. cavitation before prime. Check valve ball is severely warn Replace ball and seat. or wedged in seat or manifold. Seat is severely worn. Replace ball and seat.
  • Page 17 Troubleshooting Problem Cause Solution Pump exhausts excessive air at Spool valve seals are worn or Replace. stall. damaged. Pump leaks air externally. Fluid covers are loose. Retorque. Diaphragm is damaged. Replace. Manifold fittings are loose Retorque. Pump leaks fluid externally. Fluid covers are loose.

  • Page 18: Repair

    Repair Repair 4. Turn over the pump. 5. Use a 3 mm Allen wrench to remove the outlet manifold (8) and retainer (11). 6. Without scratching the inner bore, use a hook to remove the outlet ball retainer (19). Remove the ball (22) and check seat (21).

  • Page 19: Disassemble The Center Section

    Repair Disassemble the Center Section Reassemble the Center Section 1. One diaphragm (25) should screw off by hand. 1. Install the muffler media (15 & 38) into the Slide the second diaphragm out with the shaft muffler. Use the new felt mufflers (15‡) supplied (5) still attached.

  • Page 20: Reassemble The Fluid Section

    Repair 5. Turn the center section over. Spread a thin film 5. Place two belleville washers (27), with the washer of lubricant evenly across the o-rings on the main closest to the nut having the rounded side toward and center assemblies (2 & 4). Be careful not the nut and the other washer with the rounded to plug the air holes.
  • Page 21 Repair 9. Assemble the bottom checks. Insert the inlet ball retainer (20†), the ball (22†), and the seat (21†), with the chamfered side down (toward the ball). 10. Carefully remove the manifold bolts (29) from the bottom of the fluid covers (6), keeping nuts (18) aligned.

  • Page 22: Torque Instructions

    Torque Instructions Torque Instructions If fluid cover or manifold bolts have been loosened, 3. Turn each screw by 1/2 turn or less working in a it is important to torque them using the following crisscross pattern to specified torque. procedure to improve sealing. 4.
  • Page 23 Notes Notes 334793D...

  • Page 24: Parts

    Parts Parts Lubricate using PFPE grease (17G558); included in all Center and Fluid Section Rebuild kits. Follow Torque Instructions, page 334793D...
  • Page 25 Parts NOTE: Many parts are included in one or more kits. Please see Kits, page 26, for the complete list of available kits and their contents. Part Description Part Description 17F237 BODY 22† 17F252 BALL, 1/2 in.; PTFE; 4–pack 2‡ 17F590 SLEEVE, main;...

  • Page 26: Kits

    Kits ▲ Replacement Warning labels, signs, tags, and cards are available at no cost. † Parts included in Fluid Section Rebuild Kit, sold separately. See Kits, page 26, for the correct kit for your pump. ‡ Parts included in Center Section Rebuild Kit 17F119, sold separately.

  • Page 27: Dimensions

    Dimensions Dimensions Ref. Metric 1.1 in. 28 mm 5.3 in. 135 mm 3.0 in. 76 mm 5.9 in. 150 mm 4.9 in. 124 mm 7.6 in. 193 mm 3.5 in. 89 mm 3.0 in. 76 mm 3.0 in. 76 mm K (hole diameter) 0.3 in.

  • Page 28: Performance Charts

    Performance Charts Performance Charts Test Conditions: The pump was tested in water with the inlet submerged. Fluid Pressure Approximate Cycles per Minute (0.69, 6.9) (0.62, 6.2) (0.55, 5.5) (0.49, 4.9) (0.42, 4.2) (MPa, bar) (0.35, 3.5) (0.28, 2.8) Operating Air Pressure (0.21, 2.1) 100 psi (0.7 MPa, 7.0 bar) (0.14, 1.4)

  • Page 29: Technical Data

    Technical Data Technical Data ChemSafe 307 Diaphragm Pump Metric Maximum fluid working pressure 100 psi 0.69 MPa, 6.9 bar Minimum air startup pressure 30 psi 0.21 MPa, 2.1 bar Fluid inlet and outlet size 3/8 npt 3/8 bspt Wet: 9.5 m Maximum suction lift (reduced if balls don’t...
  • Page 30 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 substitution of non-Graco component parts.

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