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Graco Inc. 308-448 manual

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Table of contents for the manual

  • Page 1

    [...]

  • Page 2

     3X8–448 Rev . F Supersedes Rev . C Includes Rev . D and E changes Parts Change Notice Some parts in Rev . C of manual 308–448 have changed but have not yet been changed in the instruction manual. Please note the changes below and mark them in your manual or keep this sheet with your manual. Assembly No. Series Letter Change Part That Change[...]

  • Page 3

    Table of Contents Symbols Warnings ...................................... 2 Setup.. ....................................... 4 System Component Information .................. 6 Operation ..................................... 8 Flushing ..................................... IO Parts ........................................ 12 Technical Data .........[...]

  • Page 4

    EQUIPMENT MISUSE HAZARD Equipment misuse can cause the equipment to rupture, malfunction, or start unexpectedly and result in serious injury. 0 0 l 0 0 0 0 0 0 0 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 in d[...]

  • Page 5

    A CAUTION This equipment is compatible with most water based materials. See the wetted parts in the Tech- nical Data section and your fluid and solvent manufacturer’s compatibility information. Do not use catalyzed materials in heated applica- tions. I. Preparing the Operator All persons who operate the system should be trained in the safe, effic[...]

  • Page 6

    III. Unpacking the System In addition to the assembled unit, these components are packed loosely or separately: suction assembly, hose set, gun, instruction manuals. These are the manuals you should receive: 308-I 94 Husky 307 pump 307-452 Air spray gun 308-325 Fluid regulator 307-805 Fluid heater 307-273 Fluid filter IV. Connecting the Hose Set an[...]

  • Page 7

    System Component Information VI. Using the G700N Air Spray Gun 1. 2. 3. 4. 5. 6. 7. Refer to Fig. 3. Make initial fluid and air adjustments at the pump for maximum efficiency. If you make adjustments at the gun, take noted of what you do. Then, if the results are not satisfac- tory, you can easily return the gun to its previous adjustment. Steps 3 [...]

  • Page 8

    System Component Information VIII. Using the Air Regulators and Needle 1. 2. 3. 4. 5. valve See Fig. 5. Always open air and fluid regulators slowly to pre- vent surging during startup. The air regulator (6a) on the right side of the pump controls air to the pump, and the regulator (6b) on the left side controls air to the gun. To open the air regul[...]

  • Page 9

    Operation I. Pressure Relief Procedure The system remains pressurized until pressure is manually relieved. To reduce the risk of serious injury from pressurized fluid, accidental spray from the gun, or splashing of any fluid, follow this proce- dure whenever you l Are instructed to relieve pressure l Stop spraying l Check or service any system equi[...]

  • Page 10

    Operation 12. Adjust the needle valve to set the pump cycle rate at 1 stroke every 15 seconds. 13. Turn the heater dial to 3. Whenever the heater set- ting is changed, allow the fluid to circulate and sta- bilize before checking the temperature (about IO minutes) . A CAUTION Be sure the fluid is circulating whenever the heater is on to reduce the r[...]

  • Page 11

    Operation v. Production Spraying You are now ready for production spraying. If you stop spraying for more than 30 minutes, turn off the heater to prevent overheating the fluid. VI. Shutting Down the System Shut down the system at the end of the work shift and before checking, adjusting, cleaning, or repairing the system. Always follow the Pressure [...]

  • Page 12

    Flushina +a 14. 15. KEY A Bleed-type master air valve C Air line 3 Fluid heater 6a Pump air regulator 6b Gun air regulator 9 3-way valve 13 Drain hose 44 Fluid regulator 45 Fluid filter 48 Filter drain valve For a first-time flush, trigger the gun, and circulate the solvent for 20 seconds. 16. For flushina after soravina fluid, turn the 3-way valve[...]

  • Page 13

    Parts Model 237410, Series A Ref Part No. No. 1 235-230 2 217-752 3 220-522 4 110-160 5 108-233 6 111-804 7 11 O-209 8 108-l 90 9 214-711 10 214-699 11 205-l 69 12 206-966 13 206-965 14 188-l 73 15 165-767 16 188-l 07 17 224-044 18 156-849 19 188-077 20 803-088 21 162-453 22 111-807 23 _ 158-683 24 112-408 Description QW HUSKY 307 PUMP, See 308-l 9[...]

  • Page 14

    Parts 16’ Model 237410, Series A 25 60 / 23 308-448 13[...]

  • Page 15

    Notes . 14 308-448[...]

  • Page 16

    Notes c 308-448 15[...]

  • Page 17

    Technical Data Manual Change Summary The current revision of this manual includes the following changes: Page 12, Parts List: l The quantity of item 25 (elbow) is changed to 3. l The quantity of item 47 (elbow) is changed to 1. Page 13, Parts Drawing: l Item 60 is changed to 62, and item 62 is changed to 60. Maximum fluid working pressure . . . . .[...]