Ebara EFQT3 User Manual

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EBARA Fluid Handling 10 If the application involves a high dischargehead, gradually close the discharge throttlingvalve before stopping the

EBARA Fluid Handling 11 AUTOMATIC AIR RELEASE VALVE When properly installed and correctly adjusted to the specific hydraulic operating condi

EBARA Fluid Handling 12 The valve inlet must be installed between the pump discharge port and the non-pressurized side of the discharge chec

EBARA Fluid Handling 13 When checking alignment, disconnect thepower source to ensure that the pump willremain inoperative. Adjusting the

EBARA Fluid Handling 14 Figure 6C. – Alignment of V-Belt Driven Pumps MISALIGNED: SHAFTS NOT PARALLEL MISALIGNED: SHAFTS NOT IN LINE ALIGNED

EBARA Fluid Handling 15 OPERATION – SECTION C Review all SAFETY information in Section A. Follow instructions on all tags, labels and decal

EBARA Fluid Handling 16 If rotation is incorrect on a three-phase motor, have a qualified electrician interchange any of the Phase wires to

EBARA Fluid Handling 17 Strainer Check If s suction strainer has been shipped with the pump or installed by the user, check the strainer reg

EBARA Fluid Handling 18 Checking bearing temperatures by hand is inaccurate. Bearing temperatures can be measured accurately by placing a co

EBARA Fluid Handling 19 Before attempting to open or service the pump: 1. Familiarize yourself with this manual. 2. Lock out or disconn

EBARA Fluid Handling 2 TABLE OF CONTENTS INTRODUCTION...

EBARA Fluid Handling 20 TROUBLE POSSIBLE CAUSE PROBABLE REMEDYPUMP STOPS OR FAILS TO DELIVER RATED FLOW OR PRESSURE Air leak in suction

EBARA Fluid Handling 21 TROUBLE POSSIBLE CAUSE PROBABLE REMEDYEXCESSIVE NOISE Cavitation in pump. Pumping entrained air. Pump or driv

EBARA Fluid Handling 22 PUMP MAINTENANCE AND REPAIR – SECTION E MAINTENANCE AND REPAIR OF THE WEARING PARTS OF THE PUMP WILL MAINTAIN PEAK

EBARA Fluid Handling 23 SECTION DRAWING Figure 1 – Pump Model

EBARA Fluid Handling 24 ITEM NO. PART NAME QTY PART NUMBER01 PUMP CASING 01 02 * REPAIR ROTATING ASSY 01 03 SUCTION FLANGE 01

EBARA Fluid Handling 25 SECTION DRAWING EFQT-3 Figure 2 – Repair Rotating Assembly DRIVE END VI

EBARA Fluid Handling 26 EFQT-3 PART LIST Repair Rotating Assembly ITEM NO. PART NAME QTY PART NUMBER 01 * IMPELLER 01 02 * SEAL

EBARA Fluid Handling 27 PUMP AND SEAL DISASSEMBLY AND REASSEMBLY Review all SAFETY Information in Section A. Follow the instructions on al

EBARA Fluid Handling 28 The impeller (1) should be loosened while the rotating assembly is still secured to the pump casing. Before loosening

EBARA Fluid Handling 29 Seal Removal (Figure 2) Slide the integral shaft sleeve and rotating portion of the seal off the shaft as unit. Use

EBARA Fluid Handling 3 TABLE OF CONTENTS (continued) TROUBLESHOOTING – SECTION D...

EBARA Fluid Handling 30 NOTE If a hot oil bath is used to heat the bearings, both the oil and the container must be absolutely clean. If the

EBARA Fluid Handling 31 SEAL PLATEO-RINGSSLEEVEO-RING INTEGRAL SHAFT SLEEVE SHEAR RING(SHEARED)STATIONARY SEATSTATIONARY ELEM

EBARA Fluid Handling 32 Slide the tube over the shaft threads, and then slide the O-ring off the and onto the shaft. Remove the tube, and co

EBARA Fluid Handling 33 Carefully wash all metallic parts in fresh cleaning solvent and allow to dry thoroughly. Do not attempt to separa

EBARA Fluid Handling 34 Install the bearing housing and seal plate O-rings (27 and 28) and lubricate them with light grease. Ease the rotati

EBARA Fluid Handling 35 Periodically, the valve should be removedfor inspection and cleaning. Whenreinstalling the relief valve, apply ‘L

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EBARA Fluid Handling 4 INTRODUCTION This Installation, Operation, and Maintenance manual is designed to help you get the best performance a

EBARA Fluid Handling 5 SAFETY – SECTION A These warnings apply to EFQT series basic pumps. EBARA has no control over or particular knowledg

EBARA Fluid Handling 6 INSTALLATION – SECTION B Review all SAFETY information in Section A. Since pump installations are seldom identical,

EBARA Fluid Handling 7 PRE-INSTALLATION INSPECTION The pump assembly was inspected andtested before shipment from the factory.Before install

EBARA Fluid Handling 8 If hose is used in suction lines, it must be the rigid-wall, reinforced type to prevent collapse under suction. Using

EBARA Fluid Handling 9 VELOCITY (FT./SEC.) = QUANT. (G.P.M)x.321 OR G.P.M. x 4085