EBARA GS Instruction Manual
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EBARA GS Instruction Manual

EBARA GS Instruction Manual

End suction volute pumps
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EBARA End Suction
Volute Pumps
Model GS
Instruction Manual
Manufactured by P.T. EBARA INDONESIA
Thank you for choosing the EBARA Model GS End suction volute Pump. EBARA takes every caution
in manufacturing the product for safe use by the customer. However, handling this pump in an
inappropriate manner may reduce its functional capacity and result in an accident.
This operation manual explains the proper procedures concerning the installation, operation, and
maintenance of the product. This manual should be read before conducting operation and maintenance
and inspections on this pump.
Installation personnel must provide copies of this manual to the customer's pump operation,
maintenance and inspection personnel. Keep this manual in a safe place where it can be consulted at
any time.
Be sure to issue the customer's pump operation, maintenance, and inspection personnel with copies of
this manual.
CONTENTS
Warnings ................................................... 2
1
Safety cautions ......................................... 3
2
Delivery checks ........................................ 7
3
1. The pump and accessories ......................... 7
2. Nameplate ................................................... 7
3. Lifting and carrying in/out ............................ 7
Specifications ........................................... 8
4
Installation .............................................. 10
5
1. Location..................................................... 10
2. Piping ........................................................ 10
3. Centering ................................................... 12
4. Electrical connection ................................. 13
Operation................................................. 14
6
1. Preparation for operation........................... 14
2. Operation・Stopping ................................. 15
CAUTION
To installation personnel:
7
8
9
10
11
........................
16
- 1 -
5.
Cautions for operation ..........................
................................................
1. Daily inspection ......................................... 19
3. Replaceable parts ..................................... 20
Troubleshooting .....................................22
Construction ...........................................24
2. Exploded view ........................................... 25
3. Accessories ............................................... 25
1. Disassembly .............................................. 26
2. Assembly ................................................... 26
3. Disposal .................................................... 27
Limited warranty .....................................
EBARA
IM-22/I/G/EN-R0
..................
16
17
18
........26
28
CORPORATION

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  • Page 1: Table Of Contents

    Manufactured by P.T. EBARA INDONESIA CAUTION Thank you for choosing the EBARA Model GS End suction volute Pump. EBARA takes every caution in manufacturing the product for safe use by the customer. However, handling this pump in an inappropriate manner may reduce its functional capacity and result in an accident.

  • Page 2: Warnings

    1 Warnings Warnings in this manual provide information needed for safe operation of the pump, and instructions for preventing danger or injury to you or other people. So that you will know the degree and imminence of danger that warnings signify, they are divided into two grades, WARNING and CAUTION, according to the seriousness of what will happen if their instructions are not heeded.

  • Page 3: Safety Cautions

    Do NOT install the pump and motor near dangerous and flammable articles. Otherwise, it may cause fire due to ignition. EBARA CORPORATION - 3 -...
  • Page 4 Do NOT touch the charge part under turning power switch on. Otherwise, there is the danger of electric shock. Do NOT burn plastic components. In case of burning, it may generate harmful gases. Do NOT install the pump outdoors or in locations exposed to water unless the motor is designed for outdoor use.
  • Page 5 To prevent an accident if the pump stops running or an abnormality occurs, immediately turn off the power switch. Contact the shop from where you ordered the pump, or EBARA to perform an inspection and maintenance on the pump. Do NOT operate the pump with 50Hz specifications at 60Hz.
  • Page 6 Please entrust the distributor, EBARA to conduct regular repair or replacement of parts and components. The product cannot be used for food processing or food transfer applications because it may cause development of bacteria and contamination by foreign matter.

  • Page 7: Delivery Checks

    3. Lifting and carrying in/out To carrying the pump/ pump set (with motor and common base) suspend it from the lifting tackes as shown below: Fig.2 Lifting and carrying in/out the pump (dashed line) or pump set (solid line) EBARA CORPORATION - 7 -...

  • Page 8: Specifications

    4 Specifications GS pump are hydraulic part of device that moves liquid by physical or mechanical action and is of end suction own bearings. GS pump are comply with EN733 dimensions. Apprication: Building, Water supply, General inducstry etc. Check on the nameplate the total head, capacity, the pump speed as well as the nominal voltage and current of motor.
  • Page 9 Optional Description 2 poles / 4 poles 2 poles / 4 poles Weignt Please refer to your "Pump data sheet" Noise levels Please contact your dealer or EBARA for each model Drive Electric Motor Bare shaft Common Base Accessories With motor...

  • Page 10: Installation

    5 Installation 1. Location (1) This pump should be installed indoors (except for option：pump of outdoor＋motor of outdoor). (2) There should be ample space around the pump, and securing a large working space for maintenance and inspection. (3) Provide an enclosure around the pump, or take some other effective measures to prevent unauthorized personnel from coming near it.
  • Page 11 (d) Make the suction piping as short as possible, with as few bents as possible, and do not install a gate valve. (10) For flooding or positive suction application: Install a gate valve on the suction piping to make disassembly and inspection convenient. EBARA CORPORATION - 11 -...

  • Page 12: Centering

    3. Centering Though the pump and driver have been centered in the factory, the common bed may be distorted when the foundation bolts are inserted during installation. Adjust by placing tapered liners under earth the bed, and center so that the shaft coupling is within the range indicated in Fig.3. To center a pump which has been purchased without a driver and which is to be directly driven, insert liners under the driver, and center so that the shaft coupling is within the range indicated in Fig.3.

  • Page 13: Electrical Connection

    (4) Overloading the motor beyond the prescribed limit will reduce its efficiency, is not economical and will eventually lead to motor malfunction. We recommend that a protective motor relay be installed to prevent burnout caused by overloading. The correct direction of rotation is clockwise when looking from the motor Note side. EBARA CORPORATION - 13 -...

  • Page 14: Operation

    6 Operation Do not operate the pump for more than 1 minute with the discharge valve closed. Doing so will increase the inner pressure of the pump, damaging the casing or plugs. Warning Do not touch the rotating parts such as the shaft, etc. while the pump is running.

  • Page 15: Operation・Stopping

    Maintenance (P.18 to 21). daily inspection specified in Run the pump at a discharge capacity that is suitable for the equipment. Note (Capacity that is too large or small will cause noise and vibration, and also waste power.) EBARA CORPORATION - 15 -...

  • Page 16: Adjustment Of Gland Packing

    3. Adjustment of gland packing・・・For gland packing type For gland packing specification, make sure the water leakage is moderate according to Table 3. Prevent over tightening and uneven tightening gland packing from happening. If the water leakage could not be adjusted, there might be a deterioration occurring at shaft seal parts.

  • Page 17: Cautions For Operation

    6 times or less 4 times or less 3 times or less per hour (2) If there is a power failure, turn the power switch off. Otherwise, the pump may start-up suddenly when the power supply is resumed. EBARA CORPORATION - 17 -...

  • Page 18: Maintenance

    Caution Contact the shop from where you ordered the pump, or EBARA to perform an inspection and maintenance on the pump. When the pump is out of use for prolonged periods such as the wintertime, water inside the pump could freeze, causing damage to the pump.

  • Page 19: Daily Inspection

    Refer to Troubleshooting for diagnosis and corrective action. You are advised to post a Daily Operation Condition Check Sheet. Standard performance curves can be obtained from EBARA sales office Note or dealers.

  • Page 20: Prolonged Stoppage And Storage

    2. Prolonged stoppage and storage (1) If you have installed a spare pump, run it from time to time and keep it ready for operation anytime. (2) When the pump is out of use for three months or more, the gland packing unit might be rust-eaten. Please take the old gland packing unit out, remove moisture from the stuffing box, and install new gland packing unit into the stuffing box.
  • Page 21 * M echani cal seal di m ensi ons depend on E N 12756 (D I N 24960). D esi gn t ype N U . * O -ri ng di m ensi ons depend on A S 568. EBARA CORPORATION...

  • Page 22: Troubleshooting

    8 Troubleshooting 1. Pump Trouble Cause Remedy Motor won’t turn. ・Check the conditions. ・Start-up conditions of the control panel are not met. ・The motor is damaged. ・Repair the motor. ・Power supply abnormality. ・Inspect and repair. ・Rotating parts in contact. Rust. Burning. ・Manually rotate.
  • Page 23 ・Damage/corrosion to bearings. ・Replace bearings. ・Voltage is low. ・Set to the rated voltage. Speed does not increase. ・Poor switching between – △. ・Correct switching between – △. ・Overload. ・Decrease load. ・Poor contact. ・Connect correctly. Tighten. EBARA CORPORATION - 23 -...

  • Page 24: Construction

    9 Construction 1. External view and residual risks ③ ② ④ ① ⑥ Fig.5 External view Table 7 Residual risks Stage Operation Caution Levels Contents of risks Protective measure Cooling by stop ① Operating Maintenance Caution Burns Do not touch the pump ②...

  • Page 25: Exploded View

    2. Exploded view This figure shows a GS model for example. Depending on the model, your pump may vary slightly. Note: No.193-3 (plug for priming hole) only available on pump discharge nozzle diameter 100 mm and up. Fig.7 Exploded view...

  • Page 26: Disassembly, Assembly And Disposal

    Disassembly, Assembly and Disposal 1. Disassembly When disassembling pump, have a piece of cardboard or plywood ready to place the parts as you work. Do not pile parts on top of each other. They should be laid out neatly in rows the O-ring and gasket can’t be used again once they are removed.

  • Page 27: Disposal

    Read the instructions carefully before using the appliance for the first time. It is recommended that you do not use this product for any purpose other than that for which it was intended; there is danger of electric shock if used improperly. EBARA CORPORATION - 27 -...

  • Page 28: Limited Warranty

    We P.T.Ebara Indonesia state that this warranty is valid for the pump set completed with driven motor. As stipulated below, repair work is covered by this warranty. However, the scope of warranty are as follow: (1) Unless otherwise specified in the contact the warranty period is for one (1) year after date of delivery.

  • Page 29: Ec Declaration Of Conformity

    ① ② ③ Model No. ① Pump series name: GS ② Discharge flange size: 32, 40, 50, 65, 80, 100, 125, 150, ③ Impeller size: 125, 125.1, 160, 160.1, 200, 200.1, 250, 315, 400, 500 complies with the provisions of following Directives as completed equipment under evaluation of conformity based on the following harmonized standards.
  • Page 30 - 30 -...

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