Page 3 - Warnings; WARNING
Warnings Warnings Warnings Warnings The following warnings are for the setup, use, grounding, maintenance and repair of this equipment. Theexclamation point symbol alerts you to a general warning and the hazard symbol refers to procedure-specificrisks. When these symbols appear in the body of this m...
Page 6 - Troubleshooting
Troubleshooting Troubleshooting Troubleshooting Troubleshooting NOTE: NOTE: NOTE: Check all possible remedies before disassembling the pump. Problem Problem Problem Cause Cause Cause Solution Solution Solution Inlet or outlet pipe diameters toosmall. Increase pipe size or add pulsationdampeners. Hig...
Page 8 - Repair
Repair Repair Repair Repair Before Before Before You You You Start Start Start 1. Flush the pump. 2. Relieve the pressure. 3. Disconnect power to the pump. 4. Make sure the pump is electrically isolated.Unexpected operation of the pump can causeserious injury. Remove the fan cover only afterthe moto...
Page 12 - Reassembly
Repair Reassembly Reassembly Reassembly Clean Clean Clean and and and Inspect Inspect Inspect All All All Parts Parts Parts NOTICE NOTICE NOTICE Use only genuine Graco replacement parts.Non-standard parts will void your warranty andmay damage your equipment. • Discard all used seals, gaskets and wor...
Page 15 - NOTICE
Repair Install Install Install the the the Hose Hose Hose 1. Move the roller (102) by turning the motor fanuntil the roller reaches the 6 o’clock position. Figure 9 Roller in 6 O’Clock Position 2. Install one end of the hose (103) through therear port of the pump housing on the left handside when lo...
Page 17 - Notes
Page 18 - Parts
Parts Parts Parts Parts EP3 EP3 EP3 and and and EP4 EP4 EP4 Hose Hose Hose Pump Pump Pump Assembly Assembly Assembly EP3019 EP3019 EP3019 and and and EP4029 EP4029 EP4029 Pumps, Pumps, Pumps, Series Series Series A A A Includes items 101–119 18 3A1939G
Page 22 - Pump
Parts Pump Pump Pump Matrix Matrix Matrix Model Model Model EP3019 EP3019 EP3019 Pumps Pumps Pumps With 19 mm ID Hose and Roller Installed Pump Pump Pump Part Part Part No. No. No. Pump Pump Pump Series Series Series Hose Hose Hose Kit Kit Kit (Ref. (Ref. (Ref. 103) 103) 103) Hose Hose Hose Inner In...
Page 28 - Technical
Technical Data Technical Technical Technical Data Data Data EP3 EP3 EP3 Pumps Pumps Pumps U.S. U.S. U.S. Metric Metric Metric Maximum Fluid Working Pressure 125 psi 0.9 MPa, 9 bar See the Pump Matrix, page 22 for the motor/gear ra- tio used on your pump: 1.5/35.91 Motor Horsepower/Gear Ratio 1.0/100...