Graco 308739A- User Manual

Page 2 - Warning Symbol; Caution Symbol; CAUTION; WARNING; EQUIPMENT MISUSE HAZARD

Table of Contents Warnings 2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Installation 5 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Operation 8 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Troubleshooting 10 . ....

Page 3 - INJECTION HAZARD

WARNING INJECTION HAZARD Spray from the gun, hose leaks, or ruptured components can inject fluid into your body and causeextremely serious injury, including the need for amputation. Fluid splashed in the eyes or on the skincan also cause serious injury. Fluid injected into the skin might look like j...

Page 4 - FIRE AND EXPLOSION HAZARD; TOXIC FLUID HAZARD

4 308-739 WARNING FIRE AND EXPLOSION HAZARD Improper grounding, poor ventilation, open flames or sparks can cause a hazardous condition andresult in a fire or explosion and serious injury. Ground the equipment and the object being sprayed. Refer to Grounding on page 5. If there is any static sparkin...

Page 5 - Installation; Prepare the Operator

308-739 5 Installation NOTES: Reference numbers and letters in parentheses inthe text refer to the callouts in the figures anddrawings. Always use Genuine Graco Parts and Accessories,available from your Graco distributor. If you supplyyour own accessories, be sure they are adequatelysized and pressu...

Page 6 - Typical Installation

6 308-739 Installation Typical Installation 07198 Fig. 2 KEY A Pump B Wall bracket C Air line lubricator D Bleed-type master air valve (required for pump)See Warning on page 7 for part number . E Pump air regulator F Air line filter G Bleed-type master air valve (for accessories) H Electrically cond...

Page 7 - System Accessories

Installation System Accessories WARNING A bleed-type master air valve (D) and a fluid drainvalve (J) are required in your system. Theseaccessories help reduce the risk of serious injuryincluding fluid injection, splashing in the eyes or onthe skin, and injury from moving parts if you areadjusting or...

Page 8 - Operation; Pressure Relief Procedure; Flush the Pump Before First Use; Starting and Adjusting the Pump

Operation Pressure Relief Procedure WARNING INJECTION HAZARDThe system pressure must be manuallyrelieved to prevent the system fromstarting or spraying accidentally. Fluid under high pressure can be injected through theskin and cause serious injury. To reduce the risk ofan injury from injection, spl...

Page 9 - Shutdown and Care of the Pump; Flushing the Pump

Operation WARNING COMPONENT RUPTURE HAZARDTo reduce the risk of overpressurizingyour system, which could causecomponent rupture and serious injury, never exceed the specified maximum air inputpressure to the pump (see Technical Data onpage 14). 10. Control the pump speed and fluid pressure with the ...

Page 10 - Troubleshooting

10 308-739 Troubleshooting WARNING To reduce the risk of serious injury whenever youare instructed to relieve pressure, always follow thePressure Relief Procedure on page 8. 1. Relieve the pressure. 2. Check all possible problems and solutions beforedisassembling pump. Problem Cause Solution Pump fa...

Page 11 - Service; Disconnecting the Displacement Pump; Reconnecting the Displacement Pump

308-739 11 Service Disconnecting the Displacement Pump WARNING To reduce the risk of serious injury whenever youare instructed to relieve pressure, always follow thePressure Relief Procedure on page 8. 1. Flush the pump if possible. Stop the pump at thebottom of its stroke. Relieve the pressure. 2. ...

Page 12 - Parts

12 308-739 Parts 07197 4 6 3 1 2 5 Part No. 239–327, Series A Ref Part No. No. Description Qty 1 205–997 AIR MOTORsee manual 307–043 1 2 223–587 DISPLACEMENT PUMP ASSY,see manual 306–981 1 3 164–722 ROD, tie; carbon steel; 111 mm(4.375 in.) shoulder to shoulder 3 4 101–566 NUT, lock, 3/8–16 3 5 101–...

Page 13 - Dimensions; Mounting Hole

308-739 13 Dimensions F (fluid intake) E (fluid outlet) D (air inlet) A B 07196 Dimension Measurement A 382.5 mm (15.06 in.) B 681 mm (26.81 in.) D 1/2 npt(f) E 3/8 npt(f) F 3/4 npt(m) Mounting Hole Layout Use Gasket161–023(order separately) A 111.3 mm (4.38 in.) diameter B 64 mm (2.5 in.) C 127 mm ...

Page 14 - Technical Data

14 308-739 Technical Data Category Data Ratio 15:1 Maximum fluid working pressure 105 bar (10.5 MPa, 1500 psi) Maximum air input pressure 7 bar (0.7 MPa, 100 psi) Fluid flow at 60 cycles per minute 1.9 liters/min (0.5 gpm) Maximum pump operating temperature 82 C (180 F) Wetted parts Refer to manual ...

Page 15 - Performance Chart

308-739 15 Technical Data KEY:Fluid Outlet Pressure – Black CurvesAir Consumption – Gray Curves A 7 bar (0.7 MPa, 100 psi) Air Pressure B 4.9 bar (0.49 MPa, 70 psi) Air Pressure C 2.8 bar (0.28 MPa, 40 psi) Air Pressure To find fluid outlet pressure (bar/MPa/psi) at aspecific fluid flow (lpm/gpm) an...

Table of Contents:

Summary

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