Graco Husky 1050HP Repair Parts
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Graco Husky 1050HP Repair Parts

Air-operated diaphragm pump 2:1
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Repair/Parts
Husky™ 1050HP 2:1
Air-Operated Diaphragm Pump
1–inch high-pressure pump with modular air valve for fluid transfer applications. For professional use
only.
Important Safety Instructions
Read all warnings and instructions in this manual and in your
Operation manual. Save these instructions.
Maximum Fluid Working Pressure:
250 psi (1.72 MPa, 17.2 bar)
Maximum Air Input Pressure:
125 psi (0.86 MPa, 8.6 bar)
Springer Pumps, LLC
Telford, PA 18969
PROVEN QUALITY. LEADING TECHNOLOGY.
Tel: 866-777-6060 / Int'l: 215-949-2900
Fax: 866-777-6383 / Int'l: 215-721-1296
334390B
EN
shop.springerpumps.com
info@springerpumps.com

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  • Page 1 Repair/Parts Husky™ 1050HP 2:1 334390B Air-Operated Diaphragm Pump 1–inch high-pressure pump with modular air valve for fluid transfer applications. For professional use only. Important Safety Instructions Read all warnings and instructions in this manual and in your Operation manual. Save these instructions. Maximum Fluid Working Pressure: 250 psi (1.72 MPa, 17.2 bar) Maximum Air Input Pressure:...

  • Page 2: Table Of Contents

    Replace Seals or Rebuild the High/Low Valve ..........15 Related Manuals Manual No. Description 334014 Husky 1050HP 2:1 Air-Operated Diaphragm Pump, Operation 334390B Springer Pumps, LLC Tel: 866-777-6060 / Int'l: 215-949-2900 shop.springerpumps.com Telford, PA 18969 Fax: 866-777-6383 / Int'l: 215-721-1296...

  • Page 3: Ordering Information

    Parts/Kits Quick Reference. Follow the page references on these two pages for further Please call your distributor. ordering information, as needed. 2. Please call Graco Customer Service to order. To Order Replacement Parts Please call your distributor. 334390B Springer Pumps, LLC Tel: 866-777-6060 / Int'l: 215-949-2900 shop.springerpumps.com...

  • Page 4: Configuration Number Matrix

    Configuration Number Matrix Configuration Number Matrix Check the identification plate (ID) for the 20–digit Configuration Number of your pump. Use the following matrix to define the components of your pump. Sample Configuration Number: 1050HP A01A SP SP Pump Model Balls Diaphragms Center Section Manifolds...

  • Page 5: 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 6 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 7 Warnings WARNING PLASTIC PARTS CLEANING SOLVENT HAZARD Many solvents can degrade plastic parts and cause them to fail, which could cause serious injury or property damage. • Use only compatible water-based solvents to clean plastic structural or pressure-containing parts. • See Technical Data in this and all other equipment instruction manuals. Read fluid and solvent manufacturer’s MSDSs and recommendations.

  • Page 8: Troubleshooting

    Troubleshooting Troubleshooting Problem Cause Solution Pump cycles but will not prime. Pump is running too fast, causing Reduce air inlet pressure. cavitation before prime. Check valve ball severely worn or Replace ball and seat. wedged in seat or manifold. Seat severely worn. Replace ball and seat.
  • Page 9 Troubleshooting Problem Cause Solution Air bubbles in fluid. Suction line is loose. Tighten. Diaphragm ruptured. Replace. Loose manifolds, damaged seats or Tighten manifold bolts or replace o-rings. seats or o-rings. Pump cavitation. Reduce pump speed or suction lift. Tighten. Loose diaphragm shaft bolt. Exhaust air contains fluid being Diaphragm ruptured.

  • Page 10: Repair

    Repair Repair Pressure Relief Procedure Replace Complete Air Valve Follow the Pressure Relief Procedure Follow these instructions to install Air Valve whenever you see this symbol. Replacement 24W897. 1. Stop the pump. Follow the Pressure Relief Procedure in the previous section. 2.
  • Page 11 Repair Apply thread lubricant to threads before assembly. Torque screws to 80 in-lb (9 N•m). 334390B Springer Pumps, LLC Tel: 866-777-6060 / Int'l: 215-949-2900 shop.springerpumps.com Telford, PA 18969 Fax: 866-777-6383 / Int'l: 215-721-1296 info@springerpumps.com...

  • Page 12: Replace Seals Or Rebuild Air Valve

    Reassemble the Air Valve 6. Install a retaining ring (310‡) on each end to hold end caps in place. NOTE: Apply lithium-based grease when instructed to grease. Order Graco PN 111920. 334390B Springer Pumps, LLC Tel: 866-777-6060 / Int'l: 215-949-2900 shop.springerpumps.com...
  • Page 13 Repair 7. Grease and install the detent assembly (303♦) into the piston. Install the o-ring (314♦) on the cup (313♦). Apply a light film of grease to the outside surface of the o-ring and the inside mating surface of the base (312♦). Orient the end of the base that has a magnet toward the end of the cup that has the larger cutout.

  • Page 14: Replace Complete High/Low Valve

    Repair Replace Complete High/Low Valve 1. Stop the pump. Follow the Pressure Relief Procedure, page 2. Disconnect the main air line. Release the quick disconnect fittings to remove the air manifold hoses (108). 3. To repair the High/Low valve, go to Disassemble the High/Low Valve, step 2, in the next section.

  • Page 15: Valve

    Repair Replace Seals or Rebuild the High/Low Valve Follow these instructions to service the High/Low 3. Grease and install three o-rings (402 and 405) valve. High/Low Valve Seal Kit 24W949 is available on the spool (404). to replace o-rings 402 and 405. Kit 24W952 also is 4.

  • Page 16: Check Valve Repair

    Repair Check Valve Repair NOTE: Kits are available for new check valve balls and seats. See Seats and Check Balls to order kits in the material(s) desired. O-ring and fastener kits also are available. NOTE: To ensure proper seating of the check balls, always replace the seats when replacing the balls.

  • Page 17: Diaphragm And Center Section Repair

    Repair Diaphragm and Center Section Repair Disassemble the Center Section 1. Use a 10 mm socket wrench to remove the screws (5), then separate the primary air module (101) from the secondary air module (102). NOTE: See Diaphragms 2. Remove the diaphragm (109), the air plates (103 for replacement diaphragm kits.
  • Page 18 Repair Reassemble the Center Section NOTE: Cartridges (204*) must be installed before pilot valves (205*) or secondary pilot plugs (220*). Follow all notes in the illustrations. These notes 3. Grease and install the pilot valves (205*, primary contain important information. side) or secondary pilot plugs (220*, secondary side).
  • Page 19 Repair Primary Air Module Secondary Air Module Apply lithium based grease. Lips must face out of housing. Cartridges (204) must be installed before pilot valves (205) or secondary pilot plugs (220). Torque to 20-25 in.-lb (2-3 N•m). 334390B Springer Pumps, LLC Tel: 866-777-6060 / Int'l: 215-949-2900 shop.springerpumps.com Telford, PA 18969...
  • Page 20 Repair Reassemble the Fluid Diaphragms Follow all notes in the illustrations. These notes b. IMPORTANT: The marked “Air” side of the contain important information. center diaphragm must face the primary air side plate and the primary air module. NOTE: Apply lithium-based grease whenever c.
  • Page 21 Repair 2. Grease the shaft u-cups (202*) and the length of both diaphragm shafts (206*). Slide the shaft on the primary side (closest to air plate 105*) into the primary air module. 3. Slide the secondary air module onto the secondary side shaft (closest to air plate 103*).
  • Page 22 Repair 6. Overmolded Diaphragms c. Apply medium-strength (blue) thread locker to the threads of the diaphragm assembly. a. If the diaphragm setscrew comes loose or Screw the assembly into the shaft of the is replaced, apply permanent (red) thread secondary air module as tight as possible by sealant to the diaphragm-side threads.
  • Page 23 Repair 7. Reattach the secondary side fluid cover (2). b. Reattach the air valve. The arrow must point toward the air valve. See c. Supply a minimum of 10 to 20 psi (0.07–0.14 Torque Instructions, page MPa, 0.7–1.4 bar) air pressure to the air valve.

  • Page 24: Torque Instructions

    Torque Instructions Torque Instructions NOTE: All fasteners for the fluid covers, center Fluid cover, center diaphragm joint, and manifold diaphragm joint, and manifolds have a thread-locking fasteners: 100 in-lb (11.3 N•m) adhesive patch applied to the threads. If this patch is Lubricate air valve fasteners prior to reassembly to excessively worn, the fasteners may loosen during prevent galling.

  • Page 25: Notes

    Notes Notes 334390B Springer Pumps, LLC Tel: 866-777-6060 / Int'l: 215-949-2900 shop.springerpumps.com Telford, PA 18969 Fax: 866-777-6383 / Int'l: 215-721-1296 info@springerpumps.com...

  • Page 26: Parts

    Parts Parts 334390B Springer Pumps, LLC Tel: 866-777-6060 / Int'l: 215-949-2900 shop.springerpumps.com Telford, PA 18969 Fax: 866-777-6383 / Int'l: 215-721-1296 info@springerpumps.com...
  • Page 27 Parts Parts/Kits Quick Reference Use this table as a quick reference for parts/kits. Go to the pages indicated in the table for a full description of kit contents. Description Qty. Description Qty. Ref. Part/Kit Ref. Part/Kit – — — BALLS, valve, check; 4–pack; CENTER SECTION;...
  • Page 28 Parts Center Section Sample Configuration Number Pump Center Fluid Seats Balls Diaphragms Seat and Model Section and Covers and Manifold Air Valve Manifolds Seal A01A 1050HP Description Description see page AIR MODULE, primary, FITTING, air, 1/2 npt x 1/2 T, page 30 see page AIR MODULE, secondary,...
  • Page 29 Parts Notes 334390B Springer Pumps, LLC Tel: 866-777-6060 / Int'l: 215-949-2900 shop.springerpumps.com Telford, PA 18969 Fax: 866-777-6383 / Int'l: 215-721-1296 info@springerpumps.com...
  • Page 30 Parts Primary Air Module Sample Configuration Number Pump Center Fluid Seats Balls Diaphragms Seat and Model Section and Covers and Manifold Manifolds Air Valve Seal A01A 1050HP 334390B Springer Pumps, LLC Tel: 866-777-6060 / Int'l: 215-949-2900 shop.springerpumps.com Telford, PA 18969 Fax: 866-777-6383 / Int'l: 215-721-1296 info@springerpumps.com...
  • Page 31 Parts Description Description HOUSING, center, not sold O-RING, Buna-N, 1.125 in. (29 mm) see page 31 separately U-CUP, center shaft VALVE, High/Low, see page 35 202* 203* BEARING, center shaft VALVE, air, see page 32 204* CARTRIDGE, pilot receiver 213* GASKET, air valve 205* VALVE, pilot...
  • Page 32 Parts Secondary Air Module Sample Configuration Number Pump Center Fluid Seats Balls Diaphragms Seat and Model Section and Covers and Manifold Air Valve Manifolds Seal A01A 1050HP 334390B Springer Pumps, LLC Tel: 866-777-6060 / Int'l: 215-949-2900 shop.springerpumps.com Telford, PA 18969 Fax: 866-777-6383 / Int'l: 215-721-1296 info@springerpumps.com...
  • Page 33 Parts Description Description HOUSING, center, not sold 213* GASKET, air valve separately PLUG, pipe, order PN 102726 U-CUP, center shaft 202* 217* SCREW, M6 x 25, thread forming 203* BEARING, center shaft 219* O-RING, receiver cartridge, Buna-N, 204* CARTRIDGE, pilot receiver 0.9 in.
  • Page 34 Parts Center Section Kits Sample Configuration Number Pump Center Fluid Seats Balls Diaphragms Seat and Model Section and Covers and Manifold Air Valve Manifolds Seal A01A 1050HP Center Section Rebuild Kit 24W946 Pilot Valve Assembly Kit 24B657 Kit includes: Kit includes: •...
  • Page 35 Parts High/Low Manifold Seals Kit 24W952 Adapter Plate Kit 24W951 Kit includes: Kit includes: • 1 o-ring (208) • 1 adapter plate (214) • 2 o-rings (209) • 4 screws (217) • 3 o-rings (210) • 1 air valve gasket (213) •...
  • Page 36 Parts Air Valve Sample Configuration Number Pump Center Fluid Seats Balls Diaphragms Seat and Model Section and Covers and Manifold Air Valve Manifolds Seal A01A 1050HP 334390B Springer Pumps, LLC Tel: 866-777-6060 / Int'l: 215-949-2900 shop.springerpumps.com Telford, PA 18969 Fax: 866-777-6383 / Int'l: 215-721-1296 info@springerpumps.com...
  • Page 37 Parts Description Description HOUSING, not sold 308✦✝ U-CUP, carboxylated nitrile separately 309✦✝ SCREW, M3, thread forming 302✦ PISTON 310‡ RETAINING RING 303✦ PISTON ASSEMBLY, detent 311✦ SPRING, detent 304✦ CAM, detent 312✦ BASE, cup 305✦ PLATE, air valve 313✦ 306✦✝‡ O-RING 314✦...
  • Page 38 Parts Sample Configuration Number Pump Center Fluid Seats Balls Diaphragms Seat and Model Section and Covers and Manifold Air Valve Manifolds Seal A01A 1050HP Air Valve Replacement Kit 24W897 ✝ Air Valve Seals Kit 24K859 Kit includes: Kit includes: • 2 end cap o-rings (306) •...
  • Page 39 Parts High/Low Valve Sample Configuration Number Pump Center Fluid Seats Balls Diaphragms Seat and Model Section and Covers and Manifold Air Valve Manifolds Seal A01A 1050HP Description Description PLATE, adapter, not sold separately 1 CAP, adapter plate, not sold separately O-RING, PTFE, 0.8 in.
  • Page 40 Parts Fluid Covers and Manifolds Sample Configuration Number Pump Center Fluid Seats Balls Diaphragms Seat and Model Section and Covers and Manifold Air Valve Manifolds Seal 1050HP A01A Fluid Cover Kit 24X053 Stainless Steel Outlet Manifold Kits (npt) 24W837 Kit includes: (bsp) 24W838 •...
  • Page 41 Parts Seats and Check Balls Sample Configuration Number Pump Center Fluid Seats Balls Diaphragms Seat and Model Section and Covers and Manifold Air Valve Manifolds Seal 1050HP A01A Seat Kits Ball Kits 24B633 24B644 24B636 24B641 24B637 24B646 24B647 Kit includes: Kit includes: •...
  • Page 42 Parts Diaphragms Sample Configuration Number Pump Center Fluid Seats Balls Diaphragms Seat and Model Section and Covers and Manifold Air Valve Manifolds Seal 1050HP A01A 1–Piece Bolt-Through 2–Piece Bolt-Through Diaphragm Kits Diaphragm Kits 24B622 24F926 24B628 Kit includes: Kits include: •...
  • Page 43 Parts Air and Fluid Plate Kit 24C035 Overmolded Diaphragm Kits Kit includes: 24B625 • 1 air side diaphragm plate (11) Kit includes: • 1 fluid side diaphragm plate (10) • 8 o-rings (9), PTFE • 1 o-ring (28) • 2 overmolded diaphragms (12), polychloropene •...
  • Page 44 Parts Manifold Seals Sample Configuration Number Pump Center Fluid Seats Balls Diaphragms Seat and Model Section and Covers and Manifold Air Valve Manifolds Seal 1050HP P01A Manifold O-Ring Kits All Models 24W212 Kits include: • 8 o-rings (9), PTFE 334390B Springer Pumps, LLC Tel: 866-777-6060 / Int'l: 215-949-2900 shop.springerpumps.com...

  • Page 45: Notes

    Notes Notes 334390B Springer Pumps, LLC Tel: 866-777-6060 / Int'l: 215-949-2900 shop.springerpumps.com Telford, PA 18969 Fax: 866-777-6383 / Int'l: 215-721-1296 info@springerpumps.com...

  • Page 46: Technical Data

    Technical Data Technical Data Metric Maximum fluid working pressure 250 psi 1.72 MPa,17.2 bar Air pressure operating range 20-125 psi 0.14-0.86 MPa, 1.4-8.6 bar Fluid displacement per cycle Low Pressure Setting 0.17 g 0.64 l High Pressure Setting 0.20 g 0.76 l Air consumption at 70 psi, 20 gpm...

  • Page 47: Fluid Temperature Range

    Fluid Temperature Range Sound Power (measured per ISO-9614–2) At 70 psi (0.48 MPa, 4.8 bar) and 50 cpm Low Pressure Setting 78 dBa High Pressure Setting 91 dBa At 100 psi (0.7 MPa, 7.0 bar) and full flow Low Pressure Setting 90 dBa 102 dBa High Pressure Setting...

  • Page 48: Graco Standard Husky Pump Warranty

    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. This warranty applies only when the equipment is installed, operated and maintained in accordance with Graco’s written recommendations.

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