Graco 308768J- User Manual

308768 5 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. D Ground the equipment and the object being sprayed. Refer to Grounding on page 10. D If there is any static spa...

6 308768 Installation General Information NOTE: Reference numbers and letters in parenthesesin the text refer to the callouts in the figures and theparts drawing. NOTE: Always use Genuine Graco Parts and Acces-sories, available from your Graco distributor. If yousupply your own accessories, be sure ...

308768 7 Installation Supplied Components Refer to Fig. 2 on page 9. WARNING A red-handled bleed-type master air valve (11h)and a fluid drain valve (D) are supplied. Thesecomponents help reduce the risk of serious injury,including splashing of fluid in the eyes or on theskin, and injury from moving ...

8 308768 Installation Installing the Pump Module The pump module consists of the pump mounted onthe pump bracket, the air controls, back pressureregulator, hoses, and plumbing. NOTE: Refer to Fig. 2 on page 9, and to the Dimen-sion drawing on page 22 and the Mounting Hole Lay-out on page 23. 1. Ensu...

10 308768 Installation Grounding WARNING FIRE AND EXPLOSION HAZARDBefore operating the pump, ground thesystem as explained below. Also readthe section FIRE AND EXPLOSIONHAZARD on page 5. 1. Pump: use the ground wire and clamp (40, sup-plied). See Fig. 3. Loosen the grounding lug lock-nut (W) and was...

308768 11 Operation Pressure Relief Procedure WARNING PRESSURIZED EQUIPMENT HAZARDThe system pressure must be manually relieved toprevent the system from starting or spraying acci-dentally. To reduce the risk of an injury from acci-dental spray from the gun, splashing fluid, ormoving parts, follow t...

12 308768 Operation Starting and Adjusting the Pump 1. Open all fluid shutoff valves (14, 15). Refer to Fig.2 on page 9, and to Fig. 4. 2. Open the back pressure regulator (12). Turn the3-way recirculation valve (19) to the circulationposition. 3. Open the spray gun at the last gun station andkeep i...

14 308768 Maintenance Preventive Maintenance Schedule The operating conditions of your particular systemdetermine how often maintenance is required. Estab-lish a preventive maintenance schedule by recordingwhen and what kind of maintenance is needed, andthen determine a regular schedule for checking...

16 308768 Parts Part No. 232078, Series B, stainless steel pump modulePart No. 232079, Series B, carbon steel pump module (shown)Part No. 232081, Series B, stainless steel pump module B 10 9 1 B 38 39 C C A A 14 40 31 10 (Ref) 11g 11h 50 16 16 27 21 41 42 26 19 18 8 7 6 2 3 23 15 45 46 47 5 18 48 22...

20 308768 Technical Data Part No. 232078, Series B, stainless steel pump modulePart No. 232079, Series B, carbon steel pump modulePart No. 232081, Series B, stainless steel pump module Category Data Maximum fluid working pressure 300 psi (2.1 MPa, 21 bar) Maximum air input pressure 100 psi (0.7 MPa,...

308768 21 Technical Data Fluid Outlet Pressure Chart 0 50 100 150 200 250 300 350 400 0 2 4 6 8 10 12 14 PUMP DELIVERY (Test Fluid: No. 10 Motor Oil) PUMP OUTLET PRESSURE 12 25 37 49 61 73 CPM 86 8 15 23 30 38 46 54 GPMl/min A B C 1.4, 14 0.7, 7 PSI 1.05, 10.5 0.35, 3.5 1.7, 17 2.45, 24.5 MPa, BAR 2...

22 308768 Dimensions 2 Mount the pump module so the top of the bracket is4 to 5 ft (1.2 to 1.5 m) above the floor. 2 3 The suction hose is 6 ft (1.8 m) long. Do not stretchthe hose tight; let it hang as shown, to assist fluidflow into the pump. 3 ti17807a Floor 33.2 in. (843 mm) 50.1 in. (1273 mm)

308768 23 Mounting Hole Layout 7687A 1.0 in. (25.4 mm) 4.0 in. (101.6 mm) 10.0 in. (254 mm) 5.0 in. (127 mm) 1 1 Check that the bracket is level before bolting it to the wall. 2 2 Mount the bracket so the top edge is 4 to 5 ft (1.2 to 1.5 m) above the floor.