Graco Husky 307 Instructions Manual
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Graco Husky 307 Instructions Manual

Graco Husky 307 Instructions Manual

Air-operated diaphragm pumps
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Instruction-Parts
Husky
Diaphragm Pumps
For pumping transfer applications. For professional use only. Only pumps with acetal fluid
sections are approved for use in European explosive atmosphere locations.
Important Safety Instructions
Read all warnings and instructions in this
manual. Save these instructions.
307 Air-Operated
308553ZAJ
EN

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  • Page 1 Instruction-Parts Husky 307 Air-Operated  Diaphragm Pumps 308553ZAJ For pumping transfer applications. For professional use only. Only pumps with acetal fluid sections are approved for use in European explosive atmosphere locations. Important Safety Instructions Read all warnings and instructions in this manual.

  • Page 2: Table Of Contents

    California Proposition 65 ....36 Graco Standard Warranty ....38...

  • Page 3: Safety Symbols

    Safety Symbols Safety Symbols The following safety symbols appear throughout this manual and on warning labels. Read the table below to understand what each symbol means. Symbol Meaning Equipment Misuse Hazard Fire and Explosion Hazard Pressurized Equipment Hazard Toxic Fluid Hazard Safety Alert Symbol This symbol indicates: Attention! Become Alert! Look for this symbol throughout the manual to indicate important...

  • Page 4: Warnings

    This equipment is for professional use only. • Read all instruction manuals, tags, and labels before operating the equipment. • Use the equipment only for its intended purpose. If you are not sure, call your Graco distributor. • Do not alter or modify this equipment. •...
  • Page 5 Warnings WARNING FIRE AND EXPLOSION HAZARD Improper grounding, poor ventilation, open flames, or sparks can cause a hazardous condition and result in a fire or explosion and serious injury. • Ground all equipment. Refer to Grounding on page 9. • Never use a polypropylene pump with non-conductive flammable fluids as specified by your local fire protection code.

  • Page 6: Configuration Matrix

    Configuration Matrix Configuration Matrix The Model Number is marked on the pump’s serial plate. To determine the Model No. of the pump from the following matrix, select the six digits which describe the pump, working from left to right. The first digit is always D, designating Husky diaphragm pumps.

  • Page 7: Approvals

    Approvals Approvals Model Information* Approvals Pumps with acetal fluid sections (Seats code 2) II 2 GD Ex h IIC 66°...135°C Gb Ex h IIIC T135°C Db ATEX T-code rating is dependent on the temperature of the fluid being pumped. Fluid temperature is limited by the materials of the pump interior wetted parts.

  • Page 8: Installation

    After the first day of operation, retorque the fasteners. Although pump use varies, a general guideline is to • Always use Genuine Graco Parts and Accessories, retorque fasteners every two months. available from your distributor. Mountings •...

  • Page 9: Grounding

    Installation Grounding Ground all of this equipment: • Pump: Attach a ground wire (Y) to the grounding WARNING strip (112) with the screw (28), lockwasher (29) and nut (27), as shown in F . 1. Connect the clamp end FIRE AND EXPLOSION HAZARD of the ground wire to a true earth ground.

  • Page 10: Air Line

    Installation Air Line Fluid Suction Line For all pumps, use a flexible fluid hose. WARNING • If using a conductive (acetal) pump, use conductive A bleed-type master air valve (B) is required in your hoses. If using a non-conductive (polypropylene) system to relieve air trapped between this valve and pump, ground the fluid system.

  • Page 11: Changing The Orientation Of The Fluid Inlet And Outlet Ports

    Installation Changing the Orientation of the Fluid Fluid Pressure Relief Valve Inlet and Outlet Ports CAUTION The pump is shipped with the fluid inlet and outlet ports Some systems may require installation of a pressure facing the same direction. See F .

  • Page 12: Typical Installations

    Installation Typical Installations Pump Bleed-Type Master Air Valve (required for pump) Air Supply Hose Air Line Quick Disconnect Master Air Valve (for accessories) Air Line Filter Gun Air Regulator Pump Air Regulator Fluid Drain Valve (required) Fluid Recirculation Line Fluid Suction Line Surge Tank and Filter Fluid Supply Hose Gun Air Supply Hose...
  • Page 13 Installation Pump Pump Bleed-Type Master Air Valve Bleed-Type Master Air Valve (required for pump) (required for pump) Air Supply Line Air Supply Line Air Line Quick Disconnect Air Line Quick Disconnect Master Air Valve (for accessories) Master Air Valve (for accessories) Air Line Filter Air Line Filter Pump Air Regulator...

  • Page 14: Air Exhaust Ventilation

    Installation Air Exhaust Ventilation To exhaust to a remote location: WARNING 1. Remove the muffler (3) from the pump air exhaust port. FIRE AND EXPLOSION HAZARD WARNING Be sure to read FIRE AND EXPLOSION HAZARD on and TOXIC FLUID HAZARD starting on page 4, before operating this PRESSURIZED EQUIPMENT HAZARD pump.

  • Page 15: Operation

    Operation Operation Pressure Relief Procedure 1. Be sure the pump is properly grounded. Read FIRE AND EXPLOSION HAZARD on page 5. WARNING 2. Check all fittings to be sure they are tight. Be sure to use a compatible liquid thread sealant or PTFE tape PRESSURIZED EQUIPMENT HAZARD on all male threads.

  • Page 16: Troubleshooting

    Troubleshooting Troubleshooting 1. Relieve the pressure before checking or servicing the equipment. WARNING 2. Check all possible problems and causes before To reduce the risk of serious injury whenever you are disassembling the pump. instructed to relieve pressure, always follow the Pressure Relief Procedure.
  • Page 17 Troubleshooting Problem Cause Solution Tighten the screws. See Air Valve. The pump exhausts air near the air The air valve screws (15) are loose. valve. The air valve o-ring (4) is damaged. Inspect; replace the o-ring. See Air Valve. The pump leaks fluid from the check The o-rings (108) are worn or Inspect;...

  • Page 18: Maintenance

    Maintenance Maintenance Lubrication Tightening the Clamps The air valve is lubricated at the factory to operate When tightening the clamps (111), apply thread lubricant to the bolts and be sure to torque the nuts without additional lubrication. If lubrication is desired, every 500 hours of operation (or monthly), remove the (113)–50 to 60 in-lb (5.6–6.8 Nm).

  • Page 19: Service

    Service Service NOTES: Air Valve • When you install each U-cup packing (2) on each NOTE: Air Valve Repair Kit 241657 is available. Parts carriage plunger (7), make sure the lips of the U-cup included in the kit are marked with a dagger (†) in F packing face toward the clip end (the smaller end) of 10.
  • Page 20 Service NOTE: Center housing (11) is shown separated from the air covers, but it is not necessary to remove the air covers for this service. Leave the center housing and air covers assembled for this service. † Included in Air Valve Repair Kit 241657 Torque to 80–100 in-lb (9.0–13.6 N•m).

  • Page 21: Air Section

    Service Reassembly Air Section 1. Insert a diaphragm shaft U-cup (122) and a pilot pin NOTE: Air Section Repair Kit 25U241 is available. Parts o-ring (1) into the end of the diaphragm shaft bore included with the kit are marked with an asterisk (*) in and pilot pin bore of the center housing (11).

  • Page 22: Ball Check Valves

    Service Ball Check Valves 3. Insert the long threads of each rod (104) through the feet and lower manifold. Push the rods up through the covers (101) until the nut (106) on the end of the Tools Required rods bottoms on the foot. Make sure the rods are pushed all the way through.

  • Page 23: Diaphragm Repair

    Service Diaphragm Repair 3. Using a 7/16 in. socket wrench, remove the clamp nuts (113) and the grounding strip (112). Loosen the clamps (111) and slip them over the housing (11). Tools Required Pull the covers (101) off the pump, then remove the clamps from the housing.
  • Page 24 Service 4. When installing the covers (101), slip the clamps (111) over the housing (11) before positioning the covers. See the Detail in F . 11. Engage the notches in the covers with the locator tabs on the housing, then position the clamps over both parts. The clamp bolts should be on the air valve side of the housing, and pointing down toward the bottom of the pump.
  • Page 25 Service * Included in fluid repair kit Grease shaft. Apply thread lubricant. Flat side faces ball. Beveled end up. Round side must face toward diaphragm. Apply medium-strength (blue) thread locker. Torque to 75–85 in-lbs (8.5–9.6 Nm) at 100 rpm max using a 1/2 in. socket wrench. Torque to 50–60 in-lbs (5.6–6.8 Nm).

  • Page 26: Parts

    Parts Parts Fluid Section Parts List (Matrix Digit 2 Parts Column 3) Part No. Description Digit 1 Parts 187702 COVER, fluid polypropylene Part No. Description 235338 MANIFOLD, polypropylene NPT 187701 COVER, fluid acetal with conductive sst fibers 187712 PLATE, fluid side polyproplene 235337 MANIFOLD, acetal with...
  • Page 27 Parts Digit A Parts Digit B Parts Ref. Part No. Description Part No. Description 187701 COVER, fluid acetal with 187702 COVER, fluid polypropylene conductive sst fibers 239147 MANIFOLD, polypropylene 235337 MANIFOLD, acetal with BSPT conductive sst fibers BSPT 187712 PLATE, fluid side 187711 PLATE, fluid side acetal polypropylene...

  • Page 28: Air Motor

    Parts Air Motor Ref. Part No. Description 114866 PACKING, O-ring 112933 MUFFLER 162942 PACKING, O-ring 15Y825 PLUNGER, carriage 192595 CARRIAGE 192596 PIN, carriage 192597 COVER, valve chamber 192602 HOUSING, center 192765 GASKET 2007224 COVER, exhaust 194269 PLATE, valve 2007264 SCREW, #4 self-tapping 2006881 SHAFT, diaphragm 195025...

  • Page 29: Repair Kits

    Repair Kits Repair Kits Seat Kits (Matrix Column 4) Diaphragm Kits (Matrix Column 6) Ref. Ref. Digit Kit No. Description Digit Kit No. Description D03200 SEAT; acetal D03001 DIAPHRAGM; PTFE – – – GUIDE; acetal – – – O-RING; buna-N –...

  • Page 30: Fluid Kits

    Repair Kits Fluid Kits Kit No. Description O-Ring Seats Balls Diaphragms D03337 KIT, 307 IND SS,SS,BN,PT PTFE 316 SST 316 SST Buna-N D03366 KIT, 307 IND SS,SP,SP,PT PTFE 316 SST Santoprene Santoprene D03311 KIT, 307 IND SS,PT,PT,PT PTFE 316 SST PTFE PTFE D03331...

  • Page 31: Repair Kit Matrix

    Repair Kit Matrix Repair Kit Matrix To repair your pump, select the six digits which describe your pump from the following matrix, working from left to right. The first digit is always D, the second digit is always 0 (zero), and the third is always 3. The remaining three digits define the materials of construction.

  • Page 32: Torque Sequence

    Torque Sequence Torque Sequence Always follow torque sequence when instructed to torque fasteners. 1. Left/Right Fluid Covers 2. Outlet Manifold Torque bolts to 50–60 in-lb (5.6–6.8 Nm) Torque bolts to 50–60 in-lb (5.6–6.8 Nm) TOP VIEW FRONT VIEW 3. Inlet Manifold Torque bolts to 50–60 in-lb (5.6–6.8 Nm) BOTTOM VIEW 308553ZAJ...

  • Page 33: Performance Chart

    Performance Chart Performance Chart Pump tested in water with inlet submerged. Performance may vary based on pump materials, suction condition, discharge pressure, and fluid type. A Fluid outlet pressure at 100 psi (6.9 bar) inlet pressure F Air consumption at 100 psi (6.9 bar) inlet pressure B Fluid outlet pressure at 70 psi (4.8 bar) inlet pressure G Air consumption at 70 psi (4.8 bar) inlet pressure C Fluid outlet pressure at 60 psi (4.1 bar) inlet pressure...

  • Page 34: Dimensions

    Dimensions Dimensions FRONT VIEW SIDE VIEW WALL BRACKET 224-835 PUMP MOUNTING HOLE PATTERN 9.0 in. (228.6 mm) 0.28 in. (7 mm) diameter (4) 3.5 in. (203 mm) (WALL VIEW) 5.0 in. 8.0 in. (127 mm) (203 mm) 6.3 in. (106 mm) 6.74 in 0654 (171.2 mm)

  • Page 35: Technical Specifications

    Technical Specifications Technical Specifications Husky 307 Pumps Metric Maximum fluid working pressure 100 psi 7 bar, 0.70 MPa Air pressure operating range 20–100 psi 0.14–0.7 MPa 1.4–7 bar Maximum air consumption 30 SCFM 0.85 m /min (see Performance Chart) Maximum free flow delivery 7.5 gpm...

  • Page 36: California Proposition 65

    California Proposition 65 California Proposition 65 CALIFORNIA RESIDENTS WARNING: Cancer and reproductive harm – www.P65warnings.ca.gov. 308553ZAJ...
  • Page 37 California Proposition 65 308553ZAJ...

  • Page 38: Graco Standard Warranty

    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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