Dyna-Star 3A7519A 120:1 Grease Pumps For dispensing grease in wellhead valve maintenance and wireline applications only. For professional use only. Dyna-Star 200:1 Model No. 25P785: 400 lb Drum Length 25P784: 120 lb. Drum Length 20,000 psi (137.9 MPa, 1379 bar) Maximum Working Pressure 100 psi (0.69 MPa, 6.89 bar) Maximum Air Pressure...
Warnings Warnings The following warnings are for the setup, use, grounding, maintenance, and repair of this equipment. The exclamation 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 manual or on warning labels, refer back to these Warnings. Product-specific hazard symbols and warnings not covered in this section may appear throughout the body of this manual where applicable.
Page 4
Warnings WARNING EQUIPMENT MISUSE HAZARD Misuse can cause death or serious injury. • Do not operate the unit when fatigued or under the influence of drugs or alcohol. • Do not exceed the maximum working pressure or temperature rating of the lowest rated system component.
Pump Installation on Drum Key: Grounded Air Line Drum Cover Air Filter (Graco P/N 106150) Air Motor Air Regulator (required) (Graco P/N 244845) Drain Valve (required) Air Line Oiler (Graco P/N 214849) Shut-off Valve (required) Bleed-type Master Air Valve (required) Pressure Gauge (required)
Installation Installation Instructions Drain Valve (M): used to relieve fluid pressure in the pump. NOTE: The reference letters in the following instructions Shut-off Valve (N): used to isolate the pump from refer to Typical Installation, page 5. downstream fluid pressure. Mounting the Pump Fluid Pressure Gauge (P): monitors the fluid outlet pressure.
Static sparking can cause fumes to ignite or explode. Grounding provides an escape wire for the electric current. Pump: use ground wire and clamp (Graco P/N 222011, not supplied), as shown in F . 2. 1. Connect the ground wire (Y) to the ground screw (Z) located on the bottom of the air motor.
• Do not exceed the maximum output pressure. For Procedure when you stop spraying and before example, the Dyna-Star 200:1 pump has a rated cleaning, checking, or servicing the equipment. ratio of 200:1. To calculate the fluid output pressure, multiply the air pressure shown on the 1.
Operation Priming and Pump Speed Adjustment NOTE: The reference letters in the following instructions refer to Typical Installation, page 5. 1. Open the bleed-type master air valve (E). 2. Open the drain valve (M), and slowly open the air regulator (C) until the pump is running smoothly. 3.
Maintenance Maintenance Suggested tools 6. Remove the muffler (27). NOTE: Removing the muffler (27) allows easier 1/8 in. hex key movement of the internal pump components to expose 3/4 in. socket the flats. 15/16 in. socket 15/16 in. open-end wrench 1-7/16 in.
Page 11
Maintenance 9. Position the pump horizontally into a vise and 10. Using a 1-15/16 in. socket, loosen the inlet pump secure on the flats (F . 6). cylinder (8) and expose the hex on the connecting rod (13) (F . 8). Flats 11.
Page 12
Maintenance 14. Position a wrench on the displacement rod (14) flats and position another wrench on the fluid piston (9) flats. Loosen and remove the fluid piston (9) (F 12). NOTE: The fluid piston (9) can stay connected to the connecting rod (13).
Maintenance 19. Remove the outlet housing adapter (16) (F . 17). 20. Remove the spacer (35), throat seal (5) and the throat seal back-up rings (4) (F . 17). 21. Remove the o-ring face seal (18) (F . 17). . 14 17.
Page 14
Maintenance 6. Reinstall the air motor (1) by sliding the displacement rod (14) through the outlet housing (3) . 22). NOTE: Reinstall the air motor in the preferred orientation for air line connection. . 19 4. Reinstall the outlet housing adapter by lining up the hole in the adapter with the pin on the outlet housing .
Page 15
Maintenance 8. Replace the check ball (15) between the 10. Reinstall the fluid piston (9) and the connecting rod displacement rod (14) and the fluid piston (9) (F (13) using one wrench on the displacement rod flat 24). and a 15/16 in. socket on the connecting rod (13) and then tighten (torque 140 - 160 ft-lb/189.8 - 216.9 N•m) (F .
Page 16
Maintenance 13. Replace the o-rings (28) on the seal retainer (6) using the parts from the seal repair kit (F . 29). . 29 14. Replace the seal retainer (6) and hand-tighten (F . 31 30). 17. Reinstall the inlet pump tube assembly, connect the 15.
Page 17
Maintenance . 33 19. Reconnect the muffler (27). . 35 20. Attach air supply hose to the pump air motor. 21. Apply air and slowly cycle several times. 22. Remove the air supply hose. 23. Tighten the outlet housing adapter bolts using a 15/16 in.
Recycling and Disposal Recycling and Disposal End of Product Life At the end of the product’s useful life, dismantle and recycle it in a responsible manner. • Perform the Pressure Relief Procedure. • Drain and dispose of fluids according to applicable regulations.
Troubleshooting Troubleshooting 1. Follow Pressure Relief Procedure, page 8, before checking or making repairs repairing to the pump. 2. Check all possible problems and causes before disassembling the pump. Problem Cause Solution Inadequate air supply pressure Increase the air supply. Restricted air line Clear the line.
Page 21
Parts Part Number/Assembly Name Parts included in Seal Repair Kit 26B069 (purchase separately). Ref. Part Description Qty. Parts included in 120 lb. drum length conversion kit 26B416, see page 22. 25T843 MOTOR, assy, air, 7.5 in. 25T844 MOTOR, assy, air, 6.0 in. †Parts included in 400 lb.
Dimensions Mounting Hole Layout 2.25 in. (57.2 mm) minimum diameter clearance hole 3.536 in. (90.424 mm) 3.536 in. (90.424 mm) clearance for, or tap 5/16-18 typical four (4) places 3A7519A...
Technical Specifications Technical Specifications Dyna-Star 200:1 Pump Metric Fluid Pressure Ratio 200:1 Maximum Air Pressure 100 PSI 0.69 MPa, 6.89 bar Maximum Working Pressure 20,000 PSI 137.9 MPa, 1379 bar Maximum Recommended Pump Speed: 60 cycles per minute Air Inlet 1/2 in.
With the exception of any special, extended, or limited warranty published by Graco, Graco will, for a period of twelve months from the date of sale, repair or replace any part of the equipment determined by Graco to be defective.