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Graco 311762 manual

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Table of contents for the manual

  • Page 1

    332156B EN Operation GH ™ Series Big Rig Sprayers - Use with Architectural Coatings, Paints, Roof Coatings and Be low Grade Coatings - Related Manuals: Model Description Maximum Working Pressure 16U277 GH1017es Bare 1000 psi (6.9 MPa, 69 bar) 16U278 GH2570es Bare 2500 psi (17.2 MPa, 1 72 bar) 16U279 GH733es Bare 4000 psi (27.6 MPa, 276 bar) 16U28[...]

  • Page 2

    2 332156B Contents Warnings . . . . . . . . . . . . . . . . . . . . . . . . . . 3 Component Identification . . . . . . . . . . . . . 5 Lift Instructions . . . . . . . . . . . . . . . . . . . . . 6 Pressure Relief Procedure . . . . . . . . . . . . 7 Setup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 Startup . . . . . . . . . . . . .[...]

  • Page 3

    Warnings 332156B 3 Warnings The following warnings are fo r the setup, use, grounding, main tenance, and repair of th is equipment. The exclama- tion point symbol alerts you to a genera l warning and the ha zard symbols refer to procedur e-specific risks. When these symbols appear in the body of this ma nual or on wa rn ing labels, refer back to th[...]

  • Page 4

    Warnings 4 332156B MOVING PARTS HAZARD Moving parts can pinch, cut or a mputate fingers and othe r body parts. • Keep clear of moving parts. • Do not operate e quipment with protec tive guards or covers removed. • Pressurized equipmen t can start without warning. Be fore checking, mo ving, or se rvicing equipment, follow the Pressure Relief P[...]

  • Page 5

    Component Identi fication 332156B 5 Component Identification 1 Engine Controls 2 Engine ON/OFF Switch (E lectric-Start Units) 3 Engine ON/OFF Switch (Pull-Start Units) 4 Lift Location 5 Suction Tube Holder 6 Pressure Control 7 Lock Ring 8 Serial Number ID Label 9 Hydraulic Pump Valve 10 Hydraulic Oil Fill 11 Pressure Bleed Valve, T handle 12 Trigge[...]

  • Page 6

    Lift Instructions 6 332156B Lift Instructions 1. When lifting s prayer, balan ce weight ev enly across two straps/chains as shown. 2. Wrap each strap/chain securely around fra me where indicated on frame label as shown. 3. Be sure straps/chain s used for lifting are rate d to support weight of sprayer: 500 lbs (2 27 kg). 4. Do not lift unit with on[...]

  • Page 7

    Pressure Relief Procedure 332156B 7 Pressure Relief Procedure Follow the Pressure Re lief Procedure whenever you see this symbol. 1. Set pump valve OFF. 2. Turn engine OFF. 3. Loosen Lock Ring. T urn pressure cont rol to lowest setting. Trigger gun into pail to relieve pressure. 4. Rotate handle coun ter-clockwise to open prime valve. Grounding Thi[...]

  • Page 8

    Setup 8 332156B Setup 1. Connect appropriate Graco hig h-pressure hose to sprayer. Tigh ten securely. NOTE: Remove second gun port plug for multiple guns and repeat steps 1 - 4. 2. Connect other end of hose to gun and tighten fit- tings securely. 3. Remove ti p guard. 4. Install clean inlet strainer. 5. Fill throat packing nut with TSL to prevent p[...]

  • Page 9

    Startup 332156B 9 Startup 1. Place suction tube and drain tu be in grounded metal pail partially filled with flushing fluid. Attach ground wire to pail and to ground wire to earth ground. 2. Rotate handle coun ter-clockwise to open prime valve. 3. Loosen lock nu t and turn pressure control cou nter- clockwise to lowest pressure. 4. Set pump valve O[...]

  • Page 10

    Startup 10 332156B 6. Set pump valve ON (hydra ulic motor is now active). 7. Increase pressure en ough to start hydraulic motor stroking and allow fluid to circulate for 15 seconds; turn pressure down. 8. Close prime valve by ro tating handle clockwise. 9. Take sp ray gun trigg er safety OFF. 10. Hold gun against grounded metal flushin g pail. Trig[...]

  • Page 11

    Startup 332156B 11 SwitchTip and Guard Assembly 1. Insert SwitchTip. Insert se at and OneSeal. NOTE: Before screwing tip and guard assembly on gun, perform Press ure Relief Procedure , pa ge 7, and be sure gun trigger sa fety is ON. 2. Screw assembly onto gun. Hand tighten. Clearing Tip Clogs 1. Release trigg er, put trigger safety ON. Rota te Swit[...]

  • Page 12

    Spraying 12 332156B Spraying 1. Set pump valve ON. 2. Increase pressure en ough to start hydraulic motor stroking and allow fluid to circulate for 15 seconds; turn pressure down. 3. Turn spray gun trigger safety OFF. 4. Adjust pressu re to desired setting. Begin spr aying. 5. Rotate Lock Ring clo ckwise to set pressure. ti7108a ti7110c ti5403a ti21[...]

  • Page 13

    Cleanup 332156B 13 Cleanup 1. Perform Pressure Relief Procedure , page 7. 2. Remove guard an d SwitchTip. 3. GH933 units only: Unscrew bowl, remove filter. Assemble without filter. 4. Clean filter , guard an d SwitchTip in flushing fluid . 5. Remove siphon tube set from p aint and place in flushing fluid. Use water for water base paint and mineral [...]

  • Page 14

    Cleanup 14 332156B 12. Raise siphon tube above flush ing fluid and run sprayer for 15 to 30 seconds to drai n fluid. 13. Turn pu mp valve OFF. Tu rn engine OFF . Caution: If flushing with water, do not le ave water in sprayer. Flush again with miner al spirits, oil or Pump Armor and leave this protective coating in the spraye r to help prevent free[...]

  • Page 15

    Troubleshooti ng 332156B 15 Troubleshooting PROBLEM CAUSE SOLUTION Gas engine pulls hard (will not star t). Hydraulic pressure is too hi gh. Turn hydraulic pressure knob counterclockwise to lowest setting. Gas engine does not start. Switch OFF, low oil, no gasoline, or dead battery. Consult eng ine manual, su pplied. Replace battery if necessary. G[...]

  • Page 16

    Troubleshooting 16 332156B Fluid delivery is low. Pressure setting too low Increase pressure, page 4 Displacemen t pump ou tlet filter ( if used) is dirty or clogg ed Clean filter Intake line to pump inlet is not tight Tighten intake line Hydraulic moto r is worn or damaged Bring spra yer to Graco distrib utor for repair Large pressure drop in flui[...]

  • Page 17

    Technical Data 332156B 17 Technical Data GH733ES US Metric Sprayer Hydraulic Pressure 2750 psi 190 bar Hydraulic Reservoir Capacity 4.0 gallons 15.1 liters Honda Motor 13 HP 9.7 KW Maximum Delivery 4.0 gpm 15.1 lpm Maximum Pressure 4000 psi 276 bar Maximum Tip Size • 1 gun .065 in. 1.65 mm • 2 guns .046 in. 1.16 mm • 3 guns .037 in. 0.93 mm ?[...]

  • Page 18

    Technica l Data 18 332156B GH5040ES US Metric Sprayer Hydraulic Pressure 2750 psi 190 bar Hydraulic Reservoir Capacity 4.0 gallons 15.1 liters Honda Motor 13 HP 9.7 KW Maximum Delivery 3.5 gpm 13.2 lpm Maximum Pressure 5000 psi 344.7 bar Maximum Tip Size • 1 gun .067 in. 1.70 mm • 2 guns .048 in. 1.22 mm • 3 guns .039 in. 0.99 mm • 4 guns .[...]

  • Page 19

    Technical Data 332156B 19 GH1017ES US Metric Sprayer Hydraulic Pressure 2750 psi 190 bar Hydraulic Reservoir Capacity 4.0 gallons 15.1 liters Honda Motor 13 HP 9.7 KW Maximum Delivery 16.5 gpm 62.5 lpm Maximum Pressure 1000 psi 69 bar Maximum Tip Size •1 g u n n / a n / a • 2 guns n/a n/a • 3 guns n/a n/a • 4 guns n/a n/a • 5 guns n/a n/a[...]

  • Page 20

    Technica l Data 20 332156B GH2570ES US Metric Sprayer Hydraulic Pressure 2750 psi 190 bar Hydraulic Reservoir Capacity 4.0 gallons 15.1 liters Honda Motor 13 HP 9.7 KW Maximum Delivery 7.0 gpm 26.5 lpm Maximum Pressure 2500 psi 172.3 bar Fluid Inlet 2 in. npt(f) 5 cm npt(f) Fluid Outlet (with fitting as shipped) 0.75 in. nps(f) swivel 1.9 cm npsm F[...]

  • Page 21

    Technical Data 332156B 21 GH933ES, GH933 US Metric Sprayer Hydraulic Pressure 2750 psi 190 bar Hydraulic Reservoir Capacity 4.0 gallons 15.1 liters Honda Motor 13 HP 9.7 KW Maximum Delivery 2.5 gpm 9.5 lpm Maximum Pressure 7250 psi 500 bar Maximum Tip Size • 1 gun .065 in. 1.65 mm Fluid Inlet 1.25 in. npt(m) 3.2 cm npt(f) Fluid Outlet Pump 0.5 in[...]

  • Page 22

    Notes 22 332156B Notes[...]

  • Page 23

    Notes 332156B 23 Notes[...]

  • Page 24

    All written and visual data con tained in th is document reflects the latest product info rmation available at the time of publica tion. Graco reserves the right to make changes at any time without notice. For patent information, see www.graco.com/pate nts. Original instructions. This manual conta ins English. MM 332156 Graco Headquarter s: Minneap[...]