Graco 308797R - Manual

5 308797 Installation Air Line WARNING A bleed-type master air valve (B) is required in your system to relieve air trapped between this valve and the pump. See Fig. 2. Trapped air can cause the pump to cycle unexpectedly, which could result in serious injury, including splashing in the eyes or on th...

6 308797 Installation Fluid Pressure Relief Valve CAUTION Some systems may require installation of a pressure relief valve at the pump outlet to prevent overpres- surization and rupture of the pump or hose. See Fig. 1. Thermal expansion of fluid in the outlet line can cause overpressurization. This ...

7 308797 Installation KEY A PumpC Electrically conductive air supply lineD Air line quick disconnectH Fluid drain valve (required) K Electrically conductive fluid supply hoseL Fluid suction line Y Ground wire (required; see page 8 for installation instructions) 9074A Fig. 2 H J ABOVE-GROUND TRANSFER...

9 308797 Installation Changing the Orientation of the Fluid Inlet and Outlet Ports Fig. 4. You can change the orientation of the fluid inlet and outlet ports by repositioning the manifolds. 1. Relieve the pressure. See Pres- sure Relief Procedure on page 10. 2. Remove four manifold bolts (105). 3. T...

10 308797 Operation Pressure Relief Procedure WARNING PRESSURIZED EQUIPMENT HAZARD The equipment stays pressurized until pressure is manually relieved. To reduce the risk of serious injury from pressurized fluid, accidental spray, or splashing fluid, follow this procedure whenever you D Are instruct...

11 308797 Maintenance Lubrication The air valve is lubricated at the factory to operate without additional lubrication. If you want to provide additional lubrication, remove the hose from the pump air inlet and add two drops of machine oil to the air inlet every 500 hours of operation or every month...

12 308797 Troubleshooting Read Pressure Relief Procedure on page 10, and relieve the pressure before you check or service the equipment. Check all possible problems and causes before disassembling the pump. PROBLEM CAUSE SOLUTION Pump will not cycle, or cycles once and stops. Air valve is stuck or d...

13 308797 Service Air Valve NOTE: Air Valve Repair Kit 241657 is available. Parts included in the kit are marked with a dagger ( { ) in Fig. 5 and in the Parts Drawings and Lists. A tube of general purpose grease 111920 is supplied in the kit. Service the air valve as follows. See Fig. 5. 1. Relieve...

14 308797 Service Ball Check Valves NOTE: Fluid Section Repair Kit D05977 is available. See page 21 to order the correct kit for your pump. Parts included in the kit are marked with a double dagger ( } ) in Fig. 6 and in the Parts Drawings and Lists. General purpose grease 111920 and Adhesive 113500...

16 308797 Service Diaphragms NOTE: Fluid Section Repair Kit D05977 is available. Parts included in the kit are marked with a double dagger ( } ) in Fig. 7 and in the Parts Drawings and Lists. General purpose grease 111920 and Adhesive 113500 are supplied in the kit. Service the diaphragms as follows...

11 4 13 10 } 16 } 139 } 201 134 4 15 } 1 109 101 102 102 } 202 } 139 } 301 108 112 112 } 401 } 402 103 117 105 105 106 106 107 6 133 } 115 Grounding Detail 121 122 123 { 9 8 { 7 { 2 { { Included in Air Valve Repair Kit 241657 } Included in Fluid Section Repair Kit D05977 } 12 110 16 } } 139 } 201 } ...

19 308797 241407 and 241408 Parts List Fluid Section Parts List Ref. No. Part No. Description Qty 101 185622 COVER, fluid; aluminum 2 102 185624 MANIFOLD; aluminum; NPT 2 103 189220 LABEL, warning 1 105 112912 SCREW; 3/8-- 16; 2.25 in. (57.2 mm) 8 106 112913 NUT, hex; 3/8-- 16; sst 8 107 112914 WASH...

21 308797 Technical Data Maximum fluid working pressure 100 psi (0.7 MPa, 7 bar) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Air pressure operating range 30 to 100 psi (0.2 to 0.7 MPa, 2.1 to 7 bar ) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...

23 308797 Performance Charts 0 20 40 60 80 100 0 2 4 6 8 10 12 14 16 (7.6) (15.2) (22.7) (30.3) (37.9) (45.4) (53.0) (60.6) Fluid Outlet Pressure Test Conditions: Pump tested in water with inlet submerged. To find Fluid Outlet Pressure (psi/MPa/bar) at a specific fluid flow (gpm/lpm) and operating a...

24 308797 Performance Charts 0 5 10 15 20 25 30 0 2 4 6 8 10 12 14 16 (7.6) (15.2) (22.7) (30.3) (37.9) (45.4) (53.0) (60.6) Air Consumption Test Conditions: Pump tested in water with inlet submerged. FLUID FLOW-- -- gpm (lpm) A B C To find Pump Air Consumption (scfm or m # /min) at a specific fluid...

26 308797 Graco Standard Husky Pump Warranty Graco warrants all equipment referenced in this document which is manufactured by Graco and bearing its name to be free from defects in material and workmanship on the date of sale to the original purchaser for use. With the exception of any special, exte...