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

2:1 air-operated diaphragm pump
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Repair/Parts
Husky™ 1050HP
1050HP 2:1
Husky™
Husky™
1050HP
Air
Air - - - Operated
Air
Operated Diaphragm
Operated
1 1 1 - - - inch
inch high
high- - - pressure
pressure pump
pump with
inch
high
pressure
pump
only.
only.
only.
Important Safety
Important
Important
Safety Instructions
Safety
Read all warnings and instructions in this manual and in your
Operation manual. Save
Maximum Fluid Working Pressure:
250 psi (1.72 MPa, 17.2 bar)
Maximum Air Input Pressure: 125 psi
(0.86 MPa, 8.6 bar)
See page 4 for approvals.
2:1
2:1
Diaphragm Pump
Diaphragm
with modular
modular air
air valve
valve for
with
modular
air
valve
Instructions
Instructions
Save
Save these
these
these instructions.
instructions.
instructions.
PROVEN QUALITY. LEADING TECHNOLOGY.
Pump
Pump
for fluid
fluid transfer
transfer applications.
applications. For
for
fluid
transfer
applications.
334390E
EN
For professional
professional use
use
For
professional
use

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Summary of Contents for Graco Husky 1050HP

  • Page 1 Repair/Parts Husky™ 1050HP 1050HP 2:1 Husky™ Husky™ 1050HP 334390E Air - - - Operated Operated Diaphragm Operated Diaphragm Diaphragm Pump Pump Pump 1 1 1 - - - inch inch high high- - - pressure pressure pump pump with with modular modular air air valve valve for...

  • Page 2: Table Of Contents

    Replace Seals or Rebuild Air Valve ....12 Replace Complete High/Low Valve ....14 Graco Standard Husky Pump Warranty....46 Related Related Related Manuals Manuals Manuals Manual No. Description Manual Manual Description Description 334014 Husky 1050HP 2:1 Air-Operated Diaphragm Pump, Operation 334390E...

  • Page 3: Ordering Information

    Please Please call Please call call your your distributor. your distributor. distributor. ordering information, as needed. 2. Please call Graco Customer Service to order. To Order Order Order Replacement Replacement Replacement Parts Parts Parts Please call call your your distributor.

  • Page 4: Configuration Number Matrix

    Configuration Number Matrix Configuration Number Number Matrix Matrix Configuration 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 Sample Sample Configuration Configuration Number: Configuration Number:...

  • Page 5: Warnings

    Warnings 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 WARNING WARNING EQUIPMENT EQUIPMENT EQUIPMENT MISUSE MISUSE HAZARD MISUSE HAZARD 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 WARNING WARNING PLASTIC PLASTIC PLASTIC PARTS PARTS CLEANING PARTS CLEANING SOLVENT CLEANING SOLVENT SOLVENT HAZARD HAZARD 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.

  • Page 8: Troubleshooting

    Troubleshooting Troubleshooting Troubleshooting Troubleshooting Problem Problem Problem Cause Cause Cause Solution Solution Solution Pump cycles but will not prime. Reduce air inlet pressure. Pump is running too fast, causing cavitation before prime. Check valve ball severely worn or Replace ball and seat. wedged in seat or manifold.
  • Page 9 Troubleshooting Problem Cause Solution Problem Problem Cause Cause Solution 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. Loose diaphragm shaft bolt.

  • Page 10: Repair

    Repair Repair Repair Repair Pressure Relief Relief Procedure Procedure Replace Complete Complete Air Air Valve Valve Pressure Pressure Relief Procedure Replace Replace Complete Valve Follow the Pressure Relief Procedure Follow these instructions to install Air Valve whenever you see this symbol. Replacement 24W897.
  • Page 11 Repair Apply thread lubricant to threads before assembly. Torque screws to 80 in-lb (9 N•m). 334390E...

  • Page 12: Replace Seals Or Rebuild Air Valve

    Reassemble Reassemble the the Air Air Valve Valve Valve housing. NOTE: NOTE: NOTE: Apply lithium-based grease when instructed 6. Install a retaining ring (310‡) on each end to hold to grease. Order Graco PN 111920. end caps in place. 334390E...
  • 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 Complete High/Low High/Low Valve Valve Replace 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). Disassemble 3.

  • Page 15: Valve

    Repair Replace Seals Seals or or or Rebuild Rebuild the the High/Low High/Low Valve Valve Replace Replace Seals Rebuild 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).

  • Page 16: Check Valve Repair

    Repair Check Valve Valve Repair Repair Check Check Valve Repair NOTE: NOTE: 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: NOTE: NOTE: To ensure proper seating of the check balls,...

  • Page 17: Diaphragm And Center Section Repair

    Repair Diaphragm and and Center Center Section Section Repair Repair Diaphragm Diaphragm Center Section Repair Disassemble the the Center Center Section Section Disassemble Disassemble 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).
  • Page 18 Repair Reassemble Reassemble Reassemble the the Center Center Center Section Section Section 3. Grease and install the pilot valves (205*, primary side) or secondary pilot plugs (220*, secondary side). Torque to 20–25 in-lb (2–3 N•m) at 100 Follow all notes in the illustrations. These notes rpm maximum.
  • Page 19 Repair Primary Air Air Module Module Primary Primary Module Secondary Secondary Secondary Air Air Module Module 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).
  • Page 20 Repair Reassemble Reassemble Reassemble the the Fluid Fluid Fluid Diaphragms Diaphragms Diaphragms Follow all notes in the illustrations. These notes 1. Assemble the center diaphragm section: important information. contain important important a. Assemble the primary side air plate (105*), NOTE: Apply lithium-based grease whenever NOTE: NOTE: the center diaphragm (109*), and the...
  • Page 21 Repair Bolt-Through Diaphragms Diaphragms 2. Grease the shaft u-cups (202*) and the length of 5. Bolt-Through Bolt-Through Diaphragms both diaphragm shafts (206*). Slide the shaft on a. Assemble the o-ring (28), the fluid side the primary side (closest to air plate 105*) into diaphragm plate (10), the diaphragm (12), the primary air module.
  • Page 22 Repair Overmolded Diaphragms Diaphragms 6. Overmolded Overmolded Diaphragms a. If the diaphragm setscrew comes loose or is replaced, apply permanent (red) thread sealant to the diaphragm-side threads. Screw into the diaphragm until tight. b. Assemble the air side plate onto the diaphragm.
  • Page 23 Repair 7. Reattach the secondary side fluid cover (2). 8. To ensure proper seating and extend diaphragm The arrow must point toward the air valve. See life, apply air pressure to the pump prior to Torque Instructions, page attaching the fluid cover on the primary air module.

  • Page 24: Torque Instructions

    Torque Instructions Torque Instructions Instructions Torque Torque Instructions NOTE: All fasteners for the fluid covers, center Fluid cover, cover, center center diaphragm diaphragm joint, joint, and and manifold manifold NOTE: NOTE: Fluid Fluid cover, center diaphragm joint, manifold diaphragm joint, and manifolds have a thread-locking fasteners: fasteners: 100 in-lb (11.3 N•m) fasteners:...

  • Page 25: Notes

    Notes Notes Notes Notes 334390E...

  • Page 26: Parts

    Parts Parts Parts Parts 334390E...
  • Page 27 Parts Parts/Kits Quick Quick Reference Reference Parts/Kits 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. Qty. Qty. Description Qty. Qty.
  • Page 28 Parts Center Section Section Center Center Section Sample Sample Configuration Sample Configuration Configuration Number Number Number Pump Pump Pump Center Fluid Fluid Fluid Seats Balls Balls Balls Diaphragms Diaphragms Diaphragms Seat and Center Center Seats Seats Seat Seat Model Covers and Model Model Section...
  • Page 29 Parts Notes Notes Notes 334390E...
  • Page 30 Parts Primary Air Air Module Module Primary Primary Module Sample Configuration Configuration Number Number Sample Sample Configuration Number Pump Center Fluid Seats Balls Diaphragms Seat and Pump Pump Center Center Fluid Fluid Seats Seats Balls Balls Diaphragms Diaphragms Seat Seat Model Model Model...
  • Page 31 Parts Description Description Description Description Description Description HOUSING, center, not sold O-RING, Buna-N, 1.125 in. (29 mm) separately see page 37 202* U-CUP, center shaft VALVE, High/Low, see page 38 VALVE, air, see page 37 203* BEARING, center shaft 204* CARTRIDGE, pilot receiver 213* GASKET, air valve...
  • Page 32 Parts Secondary Air Air Module Module Secondary Secondary Module Sample Sample Configuration Sample Configuration Configuration Number Number Number Pump Pump Pump Center Fluid Fluid Fluid Seats Balls Balls Balls Diaphragms Diaphragms Diaphragms Seat and Center Center Seats Seats Seat Seat Model Covers and Model...
  • Page 33 Parts Description Description Description Description Description Description HOUSING, center, not sold 213* GASKET, air valve separately PLUG, pipe, order PN 102726 202* U-CUP, center shaft 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 Section Kits Kits Center Center Section Kits Sample Configuration Number Pump Center Fluid Seats Balls Diaphragms Seat and Model Covers and Section and Manifold Air Valve Manifolds Seal 1050HP A01A A01A A01A Center Center Center Section Section Rebuild Section Rebuild Rebuild Kit...
  • Page 35 Parts Air Valve Valve Valve Sample Sample Configuration Sample Configuration Number Configuration Number Number Pump Pump Pump Center Center Center Fluid Fluid Fluid Seats Seats Seats Balls Balls Balls Diaphragms Diaphragms Diaphragms Seat Seat and Seat Model Section and Covers and Manifold Model Model...
  • Page 36 Parts Description Description Description Description Description Description HOUSING, not sold 308F= U-CUP, carboxylated nitrile separately 309F= SCREW, M3, thread forming 302F PISTON 310‡ RETAINING RING 303F PISTON ASSEMBLY, detent 311F SPRING, detent 304F CAM, detent 312F BASE, cup 305F PLATE, air valve 313F 306F=‡...
  • Page 37 Parts Sample Configuration Number Pump Center Fluid Seats Balls Diaphragms Seat and Model Covers and Section and Manifold Air Valve Manifolds Seal 1050HP A01A A01A A01A = = = Air Air Valve Valve Seals Seals Kit Kit 24K859 24K859 Air Valve Valve Replacement Replacement Kit Kit 24W897...
  • Page 38 Parts High/Low Valve Valve High/Low High/Low Valve Sample Sample Configuration Sample Configuration Configuration Number Number Number Pump Pump Pump Center Center Center Fluid Fluid Fluid Seats Seats Seats Balls Balls Balls Diaphragms Diaphragms Diaphragms Seat Seat Seat and Model Section and Covers and Manifold Model...
  • Page 39 Parts Fluid Covers Covers and and Manifolds Manifolds Fluid Fluid Covers Manifolds Sample Configuration Configuration Number Number Sample Sample Configuration Number Pump Center Fluid Seats Balls Diaphragms Seat and Pump Pump Center Center Fluid Fluid Seats Seats Balls Balls Diaphragms Diaphragms Seat Seat...
  • Page 40 Parts Seats and and Check Check Balls Balls Seats Seats Check Balls Sample Sample Configuration Sample Configuration Configuration Number Number Number Pump Pump Pump Center Center Center Fluid Fluid Fluid Seats Seats Seats Balls Balls Balls Diaphragms Diaphragms Diaphragms Seat Seat Seat and Model...
  • Page 41 Parts Diaphragms Diaphragms Diaphragms Sample Sample Configuration Sample Configuration Number Configuration Number Number Pump Pump Pump Center Center Center Fluid Fluid Fluid Seats Seats Seats Balls Balls Balls Diaphragms Diaphragms Diaphragms Seat Seat and Seat Model Section and Covers and Manifold Model Model...
  • Page 42 Parts Aluminum Manifold Manifold Pumps: Pumps: Aluminum Aluminum Manifold Pumps: Overmolded Diaphragm Diaphragm Kits Kits Overmolded Overmolded Diaphragm Kits 24B625 Air and and Fluid Fluid Fluid Plate Plate Kit Plate Kit 24C035 24C035 24C035 Kit includes: Kit includes: • 2 overmolded diaphragms (12), polychloropene •...
  • Page 43 Parts Manifold Seals Seals Manifold Manifold Seals Sample Sample Configuration Sample Configuration Number Configuration Number Number Pump Pump Pump Center Center Center Fluid Fluid Fluid Seats Seats Seats Balls Balls Balls Diaphragms Diaphragms Diaphragms Seat Seat and Seat Model Section and Covers and Manifold Model...

  • Page 44: Technical Data

    Technical Data Technical Data Data Technical Technical Data Metric Metric Metric Maximum Maximum Maximum fluid fluid working fluid working working pressure pressure pressure 250 psi 1.72 MPa,17.2 bar Air pressure pressure pressure operating operating range operating range range 20-125 psi 0.14-0.86 MPa, 1.4-8.6 bar Fluid displacement displacement per...

  • Page 45: Fluid Temperature Range

    Fluid Temperature Range Sound Sound Sound Power Power (measured per ISO-9614–2) Power 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 High Pressure Setting...

  • Page 46: Graco Standard Husky Pump Warranty

    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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