Graco 3A1938E- Manual

Installation Installation Installation of your pump involves potentially hazardous procedures. Only trained and qualified personnel who have read and who understand the information in this manual should install this equipment. Receiving and Handling Upon receipt of your pump:• Carefully inspect the p...

Installation Location Allow sufficient space to permit easy access for maintenance and service, especially in front of the pump. The pump area should have adequate headroom and sufficient ventilation.Before installing your pump, see Dimensions, page 21 , to ensure that the available space is sufficient...

Installation Fluid Connections Undue stress on the pump inlet or outlet connections can cause serious injury or equipment failure. The fluid inlet and outlet lines must be independently supported. The pipe supports should be located as close to the pump as possible. NOTE: The hose connections require...

Installation Flush Connections Line flushing connections are recommended when pumping slurries or liquids with a high concentration of solids that tend to settle when the pump is turned off.NOTE: Accumulation of solids in the hose after shutdown can reduce hose life because the hose will experience h...

Installation Grounding This equipment must be grounded to reduce the risk of static sparking and electric shock. Electric or static sparking can cause fumes to ignite or explode. Improper grounding can cause electric shock. Grounding provides an escape wire for the electric current. 1. Pump: The pum...

Installation Electrical Connections All electrical wiring must be completed by a qualified electrician and comply with all local codes and regulations. Wire Connections at the Motor NOTE: Follow the instructions in the motor manufacturer’s manual. Use a motor starter with overload protection. Wire si...

Installation Wire Connections at the Variable Frequency Drive (VFD) NOTE: Follow the instructions in the VFD manufacturer’s manual.Install the wiring at the VFD as follows:1. Connect the wires to the motor. See Wire Connections at the Motor, page 13 . 2. Open the VFD’s electrical box.3. Install stra...

Installation Setup the VFD VFD Control Panel NOTE: For complete information about the VFD, see the manufacturer’s instructions supplied with the VFD.• The control panel display shows the status of the motor. It also shows the direction of motor rotation: FWD (forward) or REV (reverse). • The green R...

Operation Operation Flush Pump Before Using Pumps are tested with lightweight oil which is left in to protect the pump parts. To prevent contamination of the fluid, flush the pump with a compatible solvent before using it. See Flushing, page 20 . Pressure Relief Procedure 1. Shut off the electricity t...

Operation Running the Pump Ensure that the hose material and the lubricant are compatible with the pumped fluid. Failure to do so may cause injury or premature hose failure. NOTICE Never throttle the pump, whether on the fluid inlet or outlet side. This will cause damage. Do not operate the pump again...

Maintenance Maintenance Maintenance and repair of the pump involves potentially hazardous procedures. Only trained and qualified personnel who have read and who understand the instructions in this manual should maintain or repair this equipment. Preventive Maintenance Schedule Check the following ite...

Dimensions Dimensions EP2 Hose Pumps Model A, mm (in.) B, mm (in.) C, mm (in.) D, mm (in.) EP2 228 (8.98) 280 (11.02) 437 (17.20) 339 (13.35) EP3 and EP4 Hose Pumps Pump Model A, mm (in.) B, mm (in.) C, mm (in.) D, mm (in.) EP3 300 (11.81) 344 (13.52) 423 (16.65) 696 (27.39) EP4 404 (15.91) 428 (16....

Mounting Hole Layouts Mounting Hole Layouts EP2 Hose Pumps A B C D Pump Model A B C D EP2 120 mm (4.7 in.) 170 mm (6.7 in.) 21 mm (0.83 in.) Four 12 mm (0.47 in.) diameter mounting holes EP3 and EP4 Hose Pumps A B D C Pump Model A B C D EP3 229 mm (9 in.) 229 mm (9 in.) 28 mm (1.1 in.) Four 9.5 mm (...

Technical Data Technical Data EP2 Pumps U.S. Metric Maximum Fluid Working Pressure 125 psi 0.9 MPa, 9 bar See the EP2 Pump Repair-Parts manual for the motor/gear ratio used on your pump: 0.5/51.30 0.75/35.10 Motor Horsepower/Gear Ratio 0.33/157.43 Maximum Pump Speed 6 mm: 35 RPM; 13 mm: 50 RPM Maxim...

Performance Data Performance Data EP2006 Hose Pump 0.75 0.50 0.25 0.00 0 20 40 60 80 100 120 Flow (gpm) Pump Speed (rpm) EP2013 Hose Pump 2.5 0.0 0.5 1.0 1.5 2.0 0 20 40 60 80 100 120 Flow (gpm) Pump Speed (rpm) 26 3A1938E

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...