Graco Husky 1590 Instructions-Parts List Manual
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Graco Husky 1590 Instructions-Parts List Manual

Air-operated diaphragm pumps
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Instructions – Parts List
ALUMINUM AND STAINLESS STEEL
Huskyt 1590 Air-Operated
Diaphragm Pumps
See Models on page 2 for a list of pump models and descriptions.
120 psi (0.8 MPa, 8 bar) Maximum Fluid Working Pressure
120 psi (0.8 MPa, 8 bar) Maximum Air Input Pressure
Patent No.
CN ZL94102643.4
FR 9408894
JA 3517270
US 5,386,452
Important Safety Instructions
Read all warnings and instructions in this manual.
Save these instructions.
Model No. DB3777 shown
308441AK
03263B

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  • Page 1 Instructions – Parts List ALUMINUM AND STAINLESS STEEL Huskyt 1590 Air-Operated Diaphragm Pumps 308441AK See Models on page 2 for a list of pump models and descriptions. 120 psi (0.8 MPa, 8 bar) Maximum Fluid Working Pressure 120 psi (0.8 MPa, 8 bar) Maximum Air Input Pressure Patent No.

  • Page 2: Table Of Contents

    ..... . Graco Warranties ......
  • Page 3 D Read all instruction manuals, tags, and labels before operating the equipment. D Use the equipment only for its intended purpose. If you are not sure, call your Graco distributor. D Do not alter or modify this equipment. Use only genuine Graco parts and accessories.
  • Page 4 WARNING TOXIC FLUID HAZARD Hazardous fluid or toxic fumes can cause serious injury or death if splashed in the eyes or on the skin, inhaled, or swallowed. D Know the specific hazards of the fluid you are using. D Store hazardous fluid in an approved container. Dispose of hazardous fluid according to all local, state and national guidelines.

  • Page 5: Installation

    Also, read the sec- D Always use Genuine Graco Parts and Accessories. tion FIRE AND EXPLOSION HAZARD, on page 4. Refer to Product Data Sheet 305646.
  • Page 6 1/8 in. npt threads. WARNING 3. Connect remaining ends of tubes to external air signal, such as Graco’s Cycleflo (P/N 195264) or Cycleflo II (P/N195265) controllers. A bleed-type master air valve (B) is required in your system to relieve air trapped between this valve and the pump.
  • Page 7 Installation Fluid Outlet Line 1. Use grounded fluid hoses (L). The pump fluid outlet (S) is 1–1/2 in. npt(f). Screw the fluid fitting into the pump outlet securely. WARNING A fluid drain valve (J) is required to relieve pres- 2. Install a fluid drain valve (J) near the fluid outlet. sure in the hose if it is plugged.
  • Page 8 Installation Changing the Orientation of the Fluid Inlet Fluid Pressure Relief Valve and Outlet Ports CAUTION The pump is shipped with the fluid inlet (R) and outlet (S) ports facing the same direction. See Fig. 3. To change the orientation of the inlet and/or outlet port: Some systems may require installation of a pres- sure relief valve at the pump outlet to prevent 1.
  • Page 9 Installation Air Exhaust Ventilation The air exhaust port is 3/4 npt(f). Do not restrict the air exhaust port. Excessive exhaust restriction can cause erratic pump operation. WARNING If the muffler (P) is installed directly to the air exhaust FIRE AND EXPLOSION HAZARD port, apply PTFE thread tape or anti–seize thread Be sure to read and follow the warnings lubricant to the muffler threads before assembly.

  • Page 10: Operation

    Operation Pressure Relief Procedure NOTE: If the fluid inlet pressure to the pump is more than 25% of the outlet working pressure, the ball check valves will not close fast enough, resulting in inefficient WARNING pump operation. PRESSURIZED EQUIPMENT HAZARD 4.
  • Page 11 Notes 308441...

  • Page 12: Maintenance

    Maintenance Lubrication Flushing and Storage The air valve is designed to operate unlubricated, WARNING however if lubrication is desired, every 500 hours of operation (or monthly) remove the hose from the pump air inlet and add two drops of machine oil to the air To reduce the risk of serious injury whenever you inlet.

  • Page 13: 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 10. disassembling the pump.
  • Page 14 Troubleshooting PROBLEM CAUSE SOLUTION Fluid in exhaust air. Diaphragm ruptured. Replace. See pages 19–21. Loose diaphragm shaft bolt (107). Tighten or replace. See pages 19–21. Damaged o-ring (108). Replace. See pages 19–21. Pump exhausts excessive air at Worn air valve block (7), o-ring (6), Repair or replace.

  • Page 15: Service

    Service Repairing the Air Valve Tools Required D Torque wrench D Torx (T20) screwdriver or 7 mm (9/32 in.) socket wrench D Needle-nose pliers D O-ring pick D Lithium base grease NOTE: Air Valve Repair Kits 236273 (aluminum center housing models) and 255061 (sst center housing models) are available.
  • Page 16 Service Insert narrow end first. Rounded side must face down (aluminum center housing mod- Grease. els only). Tighten screws until Install with lips facing they bottom out on the narrow end of piston (11). housing. Insert wide end first. 10{H 17{H 03271 Fig.
  • Page 17 6. Lubricate the u-cup packings (10{H) and actuator 9. Install the valve carriage (5) so its tabs slip into the pistons (11). Insert the actuator pistons in the grooves on the narrow end of the actuator pistons bearings (12), wide end first. Leave the narrow (11).

  • Page 18: Ball Check Valve Repair

    Service Ball Check Valve Repair Apply medium-strength (blue) LoctiteR or equivalent to the threads. Torque to 120–150 in-lb (14–17 NSm). See Torque Tools Required Sequence, page 30. D Torque wrench Arrow (A) must point toward outlet manifold (103). D 13 mm socket wrench Not used on some models.

  • Page 19: Diaphragm Repair

    Service Diaphragm Repair WARNING Tools Required To reduce the risk of serious injury whenever you D Torque wrench are instructed to relieve pressure, always follow the Pressure Relief Procedure on page 10. D 13 mm socket wrench D 15 mm socket wrench (aluminum models) or 1 in.
  • Page 20 Service 4. Loosen but do not remove the diaphragm shaft a. Install the o-ring (108*) on the shaft bolt (107). bolts (107), using a 15 mm socket wrench (1 in. on b. Install the fluid side diaphragm plate (105) on stainless steel models) on both bolts.
  • Page 21 Service 402* 403* 401* 03274A 03275A Cutaway View, with Diaphragms in Place Cutaway View, with Diaphragms Removed 401* 403* 108* Lips face out of housing (1). Rounded side faces diaphragm (401). Air Side must face center housing (1). Grease. Used on pumps with PTFE diaphragms only. Apply medium-strength (blue) LoctiteR or equiva- lent.

  • Page 22: Bearing And Air Gasket Removal

    Service Bearing and Air Gasket Removal 7. Use a bearing puller to remove the diaphragm shaft bearings (19), air valve bearings (12) or pilot Tools Required pin bearings (15). Do not remove undamaged D Torque wrench bearings. D 10 mm socket wrench 8.
  • Page 23 Service Insert bearings tapered end first. Press-fit bearings flush with surface of center housing (1). Apply medium-strength (blue) LoctiteR or equivalent. Torque to 130–150 in-lb (15–17 N Muffler not included on Model No. 253485. 03277 Detail of Air Valve Bearings 03278B Fig.

  • Page 24: 24B781

    Pump Matrix Husky 1590 Aluminum and Stainless Steel Pumps, Series A Your Model No. is marked on the pump’s serial plate. To determine the Model No. of your pump from the following matrix, select the six digits which describe your pump, working from left to right. The first digit is always D, designating Husky diaphragm pumps.

  • Page 25: Repair Kit Matrix

    A (not used) A (not used) – G (Geolastr) G (Geolastr) G (Geolastr) Part No. 253627: Husky 1590 HD Overmolded PTFE/EPDM Diaphragm Repair Kit. Part No. 289225: Husky 1590 HD Overmolded PTFE/EPDM Diaphragm Repair Kit, with new air side diaphragm plates. 308441...
  • Page 26 Parts Drawing 110Y 301* 402* 201* 202* Aluminum Model Shown Not used on some models. 401* Used on PTFE models only. 108* Used on stainless steel models only. 403* } These parts are unique to remote piloted air motor, DC––––, DT–––– * These parts are included in the Pump Repair Kit, *301 which may be purchased separately.

  • Page 27: Parts

    Parts Air Motor Parts List (Matrix Column 2) Ref. Ref. Digit Part No. Description Digit Part No. Description 188838 HOUSING, center; Same as B with the following exceptions aluminum 195921 HOUSING, center; 188854 COVER, air valve; remote, aluminum aluminum 195918 COVER, air;...
  • Page 28 Parts Fluid Section Parts List (Matrix Column 3) Ref. Ref. Digit Part No. Description Digit Part No. Description 15A615 COVER, fluid; aluminum 15A615 COVER, fluid; aluminum 192078 MANIFOLD, inlet; 189402 MANIFOLD, inlet; aluminum; BSPT aluminum 15A658 MANIFOLD, outlet; 15A616 MANIFOLD, outlet; aluminum;...
  • Page 29 Parts Seat Parts List (Matrix Column 4) Ball Parts List (Matrix Column 5) Ref. Ref. Digit Part No. Description Digit Part No. Description 301* 112419 BALL; PTFE 201* 189318 SEAT; 316 stainless steel 301* 112423 BALL; acetal 202* 112418 O-RING; PTFE 301* 112420 BALL;...

  • Page 30: Torque Sequence

    Torque Sequence Always follow torque sequence when instructed to torque fasteners. 1. Left/Right Fluid Covers 3. Outlet Manifold Torque bolts to 190–220 in–lb (22–25 NSm). Torque bolts to 120–150 in–lb (14–17 NSm). TOP VIEW SIDE VIEW 2. Inlet Manifold Torque bolts to 120–150 in–lb (14–17 NSm). BOTTOM VIEW 308441...

  • Page 31: Dimensions

    Dimensions FRONT VIEW PUMP MOUNTING HOLE PATTERN 197 mm 6.0 in. 1/2 npt(f) (152.5 mm) Air Inlet 3/4 npt(f) Air Exhaust 6.0 in. (152.5 mm) 268 mm 38 mm 152.5 mm Muffler not included on Model No. 253485. 379.5 mm SST Pumps Alum.

  • Page 32: Technical Data

    Technical Data Maximum fluid working pressure ..............120 psi (0.8 MPa, 8 bar) Air pressure operating range...

  • Page 33: Performance Chart

    Performance Chart Example of Finding Pump Air Consumption and Air Pressure at a Specific Fluid Delivery and Discharge Head: To supply 60 gpm (227 liters) fluid flow (horizontal scale) at 40 psi (0.28 MPa, 2.8 bar) discharge head pressure (vertical scale) re- quires approximately 50 scfm (1.40 m /min) air consumption at 70 psi (0.49 MPa, 4.9 bar) inlet air pressure.

  • Page 34: Graco Warranties

    With the exception of any special, extended, or limited warranty published by Graco, Graco will, for a period of five years from the date of sale, repair or replace any part of the equipment determined by Graco to be defective.

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