Graco 3A2977D- User Manual

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 symbol refers to procedure-specific risks. When these symbols appear in the body of this manual or on label...

Installation Installation Grounding The equipment must be grounded to reduce the risk of static sparking. Static sparking can cause fumes to ignite or explode. Grounding provides an escape wire for the electrical current. Pump: Connect a ground wire (Graco PN 238909) to the ground screw on the air m...

Operation Operation NOTICE Do not expose the air motor to temperatures higher than 120°F (49°C) or the immersed fluid pump to temperatures higher than 250°F (121°C). Excessive temperatures may damage the pump packings and seals. To avoid injury from exhaust hose whip, never operate the pump without a...

Maintenance Maintenance Flushing Procedure Note:• Flush before fluid can dry in the equipment, at the end of the day, before storing, and before repairing equipment. • Flush at the lowest pressure possible. Check connectors for leaks and tighten as necessary. • Flush with an appropriate cleaning solu...

Troubleshooting Troubleshooting 1. Follow Pressure Relief Procedure, page 9 . 2. Check all possible remedies in the Troubleshooting Chart before disassembling the pump. Problem Cause Solution Pump cycles, but no fluid comes out. Fluid supply is empty. Replace fluid supply. Air supply flow or pressure i...

Repair Repair Disconnect the Air Motor 1. Follow the Pressure Relief Procedure, page 8.2. See Figure 11, page 17.3. Release the top clamp (5).4. Tilt the air motor and unhook the shaft from the displacement rod. Lift the air motor up and off the rest of the pump. 5. Release the bottom clamp (5). Rem...

Repair 7. Slide the air piston (124) out of the top of the air motor base (118). Remove o-ring (120) and gasket (102) from inside the air motor base. Remove o-ring (123) from groove on outside of base. Inspect all parts, including the spring (122) in the air motor base.NOTE: Do not remove the spring...

Repair Disassemble the Pump If not yet done, follow steps in Disconnect the Air Motor, page 12 . Note: Be careful not to scratch the displacement rod. Carry to the bench for service.1. Use a pick to move the o-rings (208) to the center of the inlet seat pin (214). Slide the pin halfway out, remove t...

Repair 4. Push the displacement rod (202) all the way out the bottom of the cylinder. Figure 9 5. See Figure 10. Remove one o-ring (208), then slide out the retaining pin (206) and remove the other o-ring. Remove the outlet assembly and ball (207). Remove the o-rings (218) from the seat (203). Be ca...

Repair 8. Lubricate and install o-ring (211) on inlet seat (210), then install seat (210) in inlet housing (209). Use the pin to align the holes. 9. Lubricate and install o-ring (216) on inlet housing (209), then install the ball (213) and pin (212). 10. Slide the assembled housing into the bottom o...

Parts Parts Apply sanitary grease before assembling cover. 20 3A2977D

Parts Displacement Pump Parts Ref. Part Description Qty. 201 CYLINDER, pump 1 24R193 Models 24R190 and 24R189 24R194 Models 24R192 and 24R191 202 ROD, displacement 1 24R183 Models 24R190 and 24R189 24R184 Models 24R192 and 24R191 203 16P149 SEAT, outlet; sold with ball (ref. 207) in Kit 24R181 1 204...

Kits and Accessories Kits and Accessories Replacement Parts Kits Kit Includes ✦ 24R175, Air Motor Seals Gasket (102), o-rings (106, 115, 120), and upper gasket (107) ✝ 262035, Air Valve Kit Piston head (105), upper gasket (107), valve cap (108), spacer (111), piston disk (113), screws (114), and o-r...

Dimensions Dimensions Model 24N300 and 24N344 Model 24R046 and 24R047 Reference in. cm in. cm A 61.9 157.2 54.9 139.4 B 53.7 136.4 46.7 118.6 C 44.5 113.0 37.5 95.2 D (fluid inlet OD) 1.972 5.0 1.972 5.0 E (air inlet) 3/8 npt (f) 9.5 npt (f) 3/8 npt (f) 9.5 npt (f) F (air exhaust) 3/8 npt (m) 9.5 npt...

Performance Chart Performance Chart Test Conditions: Pump tested in water. Cycles per Minute Fluid Outlet Pressure psi (MPa, bar) 0 0 2(0.06) 4(0.11) 6(0.17) 8(0.23) 10(0.28) 12(0.33) 14(0.39) 50 (0.3, 3) 100 (0.7, 7) 150 (1.0, 10) 200 (1.4, 13) 250 (1.7, 17) 300 (2.1, 21) 0 0.5 (1.9) 1.0 (3.8) 1.5 ...

Technical Data Technical Data U.S. Metric Maximum Fluid Working Pressure 250 psi 17 bar, 1.7 MPa Air Inlet Pressure Range 30 to100 psi 2.1 to 6.9 bar, 0.2 to 0.7 MPa Maximum Recommended Pump Speed 100 cycles/min, 2.5 gpm delivery 100 cycles/min, 9.5 liters/min delivery Pump Cycles per Gallon (3.8 Li...

Graco Standard 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, extended, or limited warr...