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Graco Inc. 750 manual

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Table of contents for the manual

  • Page 1

    Instructions–Parts List 308703G ENG Important Safety Instructions Read all warnings and instructions in this manual. Save these instructions. Husky t 750 and Husky t 2000 Surge Suppressors For control of pressure fluctuations and acceleration loss, preventing cavitation. For professional use only . 120 psi (0.8 MPa, 8 bar) Maximum Air Input Press[...]

  • Page 2

    2 308703 T able of Contents Symbols 2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . W arnings 2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Installation 4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Operation 7 . . . . . . . . . . . . . . . . . . . . . . . .[...]

  • Page 3

    308703 3 W ARNING 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 guidelin[...]

  • Page 4

    4 308703 Installation Grounding W ARNING FIRE AND EXPLOSION HAZARD When pumping flammable fluids, the surge suppressor must be grounded. Before pumping, ground the system as explained below . Also read the section FIRE OR EXPLOSION HAZARD on page 3. Polypropylene surge suppressors are not conductive. Attaching the ground wire to the grounding lug g[...]

  • Page 5

    308703 5 Installation A Husky pump B Husky surge suppressor H Fluid drain valve (required) S Dispense valve T Fluid drain line W Surge suppressor ground wire (required) See page 4 for installation instructions. Y Air motor ground wire (required) Z Container ground wire (required) Z S Fig. 2 1 2 Grounding a Surge Suppressor Hose must be conductive. [...]

  • Page 6

    6 308703 Installation The installations in Fig. 2 are guides for selecting and installing system components. Contact your Graco distributor for assistance in planning a system to suit your needs. Mounting Automatic and Manual Models Be sure the mounting surface can support the weight of the pump, surge suppressor , hoses, and accessories, and the s[...]

  • Page 7

    308703 7 Operation Pressure Relief Procedure W ARNING PRESSURIZED EQUIPMENT HAZARD The equipment stays pressurized until pressure is manually relieved. T o reduce the risk of serious injury from pressurized fluid, accidental spray from the dispensing device, or splashing fluid, follow this procedure whenever you D Are instructed to relieve pressure[...]

  • Page 8

    8 308703 Operation Charging and Startup For optimum performance, surge suppressors should be charged to a pressure 2 to 10 psi (0.01 to 0.07 MPa, 0.1 to 0.7 bar) lower than system pressure. Automatic Models CAUTION Automatic surge suppressors must have the air supply connected before you start pumping. Failure to do so could result in the internal [...]

  • Page 9

    308703 9 T roubleshooting W ARNING T o reduce the risk of serious injury whenever you are instructed to relieve pressure, always follow the Pressure Relief Procedure on page 7. Relieve the pressure before checking or servicing the equipment. Check all possible problems and causes before disas- sembling the pump. PROBLEM CAUSE SOLUTION Surge suppres[...]

  • Page 10

    10 308703 Service Bladder Failure Normal life for bladders can be from a few months to several years, depending upon the harshness of the application. Below are common reasons for failed bladders or bellows: D Chemical attack: Check chemical compatibility charts. Consult your Graco distributor . D Cut bladder or bellows: Check for sharp objects tha[...]

  • Page 11

    308703 11 Service T orque T able Find the proper torque specifications for your surge suppressor unit in the table below . These are the torques to which the clamp band, ring flange, or bolts in bolted units need to be tightened. KEY : plastic = polypropylene or acetal metal = stainless steel rubber = fluoroelastomer or Buna–N Model Bladder Mater[...]

  • Page 12

    12 308703 Model Numbers Automatic Husky 750, 3/4-in Surge Suppressors Polypropylene Wetted Bottom Housing and Non-W etted T op Housing 239096 with Buna–N bladder 239121 with PTFE bellows 239122 with fluoroelastomer bladder Stainless Steel Wetted Bottom Housing and Non-W etted T op Housing 239095 with Buna–N bladder 239123 with PTFE bellows 2391[...]

  • Page 13

    308703 13 Parts Matrix Replacement Parts for Husky t 750 and Husky t 2000 Surge Suppressors, Series A Parts Surge Suppressor Models NOTE: The quantity of every part in this list is 1 for every model The X ’ s indicate the Automatic Husky 750 Automatic Husky 2000 Manual Husky 750 Manual Husky 2000 is 1 for every model . The X’s indicate the part[...]

  • Page 14

    14 308703 Parts Drawings (see Parts Matrix on page 13) A Model 239091 Model 239090 06890 06889 B B 5 5 4 4 9 21 2 3 2 3 8 8 20 20 22 22 24, 25, 26, 28 hanging on regulator 24, 25, 26, 28 hanging on regulator C A C[...]

  • Page 15

    308703 15 Parts Drawings (see Parts Matrix on page 13) Model 239088 Model 239126 06886 06893 C B B 5 4 6 14 7 2 3 2 3 1 8 10 includes fasteners 10 includes fasteners 11 22 22 24, 25, 27, 28 hanging on gauge 24, 25, 27, 28 hanging on regulator A C A[...]

  • Page 16

    16 308703 Dimensions 06894 06892 06891 06887 23.25 in. (591 mm) Manual Husky 2000 239088 shown Automatic Husky 2000 239126 shown Manual Husky 750 239091 shown Automatic Husky 750 239096 shown 22.50 in. (572 mm) 13.25 in. (337 mm) 20.25 in. (514 mm) 20.25 in. (514 mm) 10.0 in. (254 mm) 10.0 in. (254 mm) 8.5 in. (216 mm) 8.5 in. (216 mm) 6.0 in. (152[...]

  • Page 17

    308703 17 T echnical Data Maximum air input pressure 120 psi (0.8 MPa, 8 bar) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Air line connection 1/4 npt . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [...]

  • Page 18

    18 308703 Graco Standard W arranty Graco w arrants all equipment manufactured by Graco and bearing its name to be free from defects in material and workmanship on the date o f sale by an authorized Graco distributor to the original purchaser for use. With the exception of any special, extended, or limited warranty published by Graco, Graco will, fo[...]