Graco 965768 - Manual

5 308876 Features Fig. 1 8374A 4 Control Configurations1. 1/8 npt(f) ported manifold block 2. Direct solenoid mount with speed control 3. Handle kit with 4-way air valve 4. Handle kit with electric switch Accessory flow control fittingsto adjust open/close speed. Shaft is free to align Aluminum or s...

6 308876 Installation NOTES: D Reference numbers and letters in parentheses inthe text refer to the callouts in the figures anddrawings. D Accessories are available from your Gracorepresentative. If you supply your own accessories,be sure they are adequately sized andpressure-rated to meet the syste...

7 308876 Installation Connections D The fluid inlet is 1/4 npt(f). D The fluid outlet is 1/4 npt(f) or 3/4–16 unf(m). D Air inlets are 1/8 npt(f). D See Accessories, page 25, to order air controlvalves and tubing. Electric Switch Hand Held Valve Install a remote 4-way air control valve to operate th...

8 308876 Operation WARNING COMPONENT RUPTURE HAZARDTo reduce the risk of over-pressurization,which can cause component rupture andserious injury, never exceed 3000 psi (21 MPa, 207 bar) fluid pressure, or 120 psi (0.84 MPa,8.4 bar) air pressure to the valve. Pressure Relief Procedure WARNING The sys...

9 308876 Operation Air Switch Hand Held Valve The valve operation is such that there are only twovalve conditions: either fully open or fully closed. The valve is opened and closed by the internal aircontrol valve. Trigger the gun to open the valve.Release the trigger to close the valve. Shaft Strok...

10 308876 Troubleshooting WARNING To reduce the risk of serious injurywhenever you are instructed to relievepressure, always follow the Pressure Relief Procedure on page 8. SKIN INJECTION HAZARD 1. Relieve the pressure. 2. Check all possible causes to the problem beforedisassembling the pump. PROBLE...

11 308876 Service (Models 965766, 965767, 965768, and 965786 only) WARNING To reduce the risk of serious injurywhenever you are instructed to relievepressure, always follow the Pressure Relief Procedure on page 8. SKIN INJECTION HAZARD Disassembly 1. Relieve all air and fluid pressure. 2. Disconnect...

12 308876 Service (Models 965766, 965767, 965768, and 965786 only) Reassembly Air Cylinder Section 1. Lubricate the shaft o-rings (4) and the bearings (5)with grease supplied in the repair kit. Insert o-ringsinto the air cylinder (1) and air cap (11) cavities.See Fig. 5. 2. Press the bearings (5) fl...

16 308876 Parts (Models 965766, 965767, 965768, and 965786 only) 8371A 1 19 18 26 30 12 2 (965766 & 965786 only) 9 10 16 11 7 6 5 3 4 28, 29 2021 22 39 41 23 40 15 38 25 27 42 43 44 15

25 308876 Accessories Plastic Tube Fittings to Connect Air Signals Tube OD 1/8 NPT (M) Straight 1/8 NPT (M) 90º Swivel Tube Tee 1/8 in. 5/32 in. 1/4 in. 598329104172 513826598140597151 551203514435 111167 Tube OD 1/4 NPT (M) Straight 1/4 NPT (M) 90º Swivel 5/32 in. 1/4 in. 598252104165 598327 C19391...

26 308876 Accessories Fluid Nozzles Zinc-plated steel nozzles, 1/8 npt* Part No. Orifice Length 607665 0.125 in. (3.17 mm) 2 in. (51 mm) 161505 0.09 in. (2.28 mm) 2 in. (51 mm) 164799 0.055 in. (1.39 mm) 2-1/8 in. (54 mm) * Requires a 1/8 npt(f) bushing. Order 168683 NozzleBushing. 8462A Nozzles for...

27 308876 Technical Data Category Data Maximum Fluid Pressure 4000 psi (28 MPa, 276 bar) Maximum Cylinder Air Pressure 120 psi (0.84 MPa, 8.4 bar) Air inlets (open and close ports) 1/8 npt(f) Fluid Inlet 1/4 npt(f) Fluid Outlet 1/4 npt(f) and 3/4–16 unf(m) Fluid Viscosity Range 20 cps to 1 million c...

28 308876 Dimensions 6.13 in. (155.7 mm) 8370A 1.75 in.(44.45 mm) 2.25 in.(57.15 mm) Direct Mount Solenoid(optional) 2.25 in.(57.15 mm) 0.88 in. (22.35 mm) 1.75 in. (44.45 mm) 1.42 in.(36.07 mm) 3.5 in. (88.9 mm) 1.63 in. (41.4 mm) 5 in.(127 mm)