Page 2 - Warnings; WARNING
Warnings 2 306674V Warnings The following warnings are for the setup, use, grounding, maintenance, and repair of this equipment. The exclama-tion point symbol alerts you to a general warning and the hazard symbols refer to procedure-specific risks. When these symbols appear in the body of this manua...
Page 4 - Installation; Grounding; Mounting the Pump
Installation 4 306674V Installation Grounding Pump: Use a ground wire and clamp as shown in F IG . 1. Air and fluid hoses: Use only electrically conductive hoses. Air compressor: Follow manufacturer’s recommenda- tions. Dispense valve: Ground through connection to a prop- erly grounded fluid hose an...
Page 6 - Operation; Pressure Relief Procedure; Startup and Adjustment; Maintenance
Operation 6 306674V Operation Pressure Relief Procedure Follow the Pressure Relief Procedure whenever you see this symbol. 1. Close the air regulators (E). 2. Close the supply pump’s bleed-type air master valve (B, required in system). 3. Open the dispensing valve (G) until pressure is fully relieve...
Page 7 - Troubleshooting
Troubleshooting 306674V 7 Troubleshooting 1. Follow Pressure Relief Procedure , page 6, before checking or repairing gun. 2. Check all possible problems and causes before dis-assembling gun. * Follow the Pressure Relief Procedure (see page 6), and disconnect the fluid line. If the pump starts when t...
Page 8 - Service
Service 8 306674V Service F IG . 3 77 64 68 65 74 59 75 76 70 78 73 1 69 72 79 2 66 80 59 62 61 67 62 68 72 1/4” ROD 71 Ref. 63 (copper gasket) andRef. 60 (cotter pin), see Parts Drawing on page 16. 1 15
Page 9 - Displacement Pump; Disassembly
Service 306674V 9 Displacement Pump Before starting: • To reduce down time, be sure you have all neces-sary repair parts available. Recommended spare parts are listed in the parts list on page 15. • The balls (59) in the intake and piston valves cannot be reseated on the hardened seats (68). • Repai...
Page 10 - Air Motor and Throat Service
Service 10 306674V Air Motor and Throat Service Before starting: • Be sure to have all necessary parts on hand. Air Motor Repair kit, 207385, includes repair parts for the motor. Pump Repair Kit, 239320, includes repair parts for the pump and the air motor throat area. Use all the parts in the kits ...
Page 11 - Reassembly; Throat Packing
Service 306674V 11 Reassembly 1. Clean all the parts carefully in a compatible solvent and inspect for wear or damage. Use all the repair kit parts during reassembly and replace other parts as necessary. 2. Check the polished surfaces of the piston, piston rod and cylinder wall for scratches or wear...
Page 13 - Notes
Page 14 - Parts
Parts 14 306674V Parts 1 2 3 4 5 6 7 8 9 62 75 13 14 15 16 17 18* 19 *20 21* 22 23 24 25 26 27* 28* 29 *30 31 32 58 36 *37 38* 40 42 44 46 48 49 52 53 56 57 33 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 76 77 78 79 80 27* 45 47 33 59 68 1
Page 16 - Technical Data
Technical Data 16 306674V Technical Data . 50:1 Fire-Ball 425 Pumps US Metric Maximum fluid working pressure 7500 psi 51.7 MPa, 517 bar Air pressure operating range 40 to 150 psi 0.3 to 1 MPa, 3 to 10 bar Fluid pressure ratio 50:1 Maximum delivery 0.5 gpm 1.9 lpm Cycles per gallon (per liter) 110 28...
Page 17 - Dimensions
Dimensions 306674V 17 Dimensions Mounting Holes Model 205395, Series N Weight 36 lb (16 kg) Model 205394, Series E Weight 36 lb (16 kg) Priming Piston 6–1/2” (165.1 mm)Diameter 3/8 npt FluidOutlet 41–1/4” 26–11/16” (1048 mm) (678 mm) 14–9/16” (369.9 mm) Priming Piston 6–1/2” (165.1 mm)Diameter 3/8 n...
Page 18 - Graco Standard Warranty; Graco Information
All written and visual data contained in this document reflects the latest product information available at the time of publication. Graco reserves the right to make changes at any time without notice. For patent information, see www.graco.com/patents. Original instructions. This manual contains Eng...