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Operating and Maintenance Instructions
Submersible Mixer GTWS/B/I  

740/1040/1540/204/254/304

MTe12318

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FRANZ EISELE u.SÖHNE GmbH u.Co.KG
Pumpen- und Maschinenfabrik
D-72488 Sigmaringen

EISELE products are renowned for their good quality and sound modern technology.
It is essential, however, that the customer should pay close attention to the operating and
maintenance instructions, as any damage caused to the device due to incorrect handling
or non-compliance with the instructions cannot be remedied by EISELE.
Cases of indirect consequential damage and natural wear and tear are generally excluded from
liability and guarantee claims. If mixers are to be used in chemically corrosive media, please
consult the factory prior to start-up.

Contents
1. Description and applications
2. Transportation and storage regulations
3. Electrical connection
4. Start-up
5. Maintenance and inspection
6. Repairs
7. Troubleshooting
8. Safety information

1. Description and applications

Max. submersion depth: 40 m
Medium: chemically neutral
Max. temperature: 65°C
Ensure sufficiently free-flowing
consistency - dilute if necessary.

EISELE mixers have an extremely
strong stirring action which may cause
the wall of the tank to vibrate.
For this reason, they may only be installed
in tanks which are in good condition!

2. Transportation and storage regulations
The submersible agitator should be fixed securely in a horizontal position for transportation and
storage purposes. It may only lifted by the screw provided. Make sure the propeller is not exposed
to any unilateral forces. Never lift the mixer by the cable.

1/8

Suspension
screw

Submersible
motor

Oil
chamber

Summary of Contents for GTWS 740

Page 1: ...ory prior to start up Contents 1 Description and applications 2 Transportation and storage regulations 3 Electrical connection 4 Start up 5 Maintenance and inspection 6 Repairs 7 Troubleshooting 8 Safety information 1 Description and applications Max submersion depth 40 m Medium chemically neutral Max temperature 65 C Ensure sufficiently free flowing consistency dilute if necessary EISELE mixers h...

Page 2: ...st also be observed The control switch is to be made weather proof in the operating and visible area of the mixer If this is not the case an EMERGENCY STOP switch must be provided by the customer in this area The regulations of VDE 0113 or other existing regulations are to be observed 3 1 Neutral wire The neutral wire must be routed to the switch or control system 5 core wires must be used for ext...

Page 3: ...e shut down is ensured in the event of overheating i e the thermal contacts installed in the submersible motor must be looped with the control power circuit The thermal contacts are designed as normally closed standard 230V AC 1 6Amax 3 7 Unit cable To mount a control switch the mixer should be lowered completely due to the length of cable available Only original cable or line terminals may be use...

Page 4: ...en if the retaining bolts work loose 4 5 Attention When moving the mixer pay attention to the connection cable The wire cable must always be taut With a loose wire cable the mixer could suddenly swing against the cable and damage it Do not operate the mixer half submerged Vibrations on the mixer and walls are too great Operation is only permitted when the mixer is covered with at least 0 6 m of fl...

Page 5: ... checked for fibrous fractures pinches and other damage along the complete length 5 4 Checking the gearbox oil The oil should be checked every 6 months or after 500 operating hours at the latest To do this unscrew the red screw plug 01 19mm af and insert a thin object diagonally downwards in order to remove a sample of oil from the bottom area If the oil contains too much foreign fluid it will hav...

Page 6: ...en the oil is checked The screw plug of the inspection opening is to be removed 03 13mm af If fluid runs out the mixer must no longer be operated slight oil leakages of the axial seal may be present Have the mixer checked by a specialist company Check smooth running of the mixer its gear and all bearings by turning 5 7 Oil change An oil change is to be carried out at least once a year or if used d...

Page 7: ...red with suitable measures 6 Repairs Repairs beyond those mentioned above may only be carried out in the Eisele factory or in a specialist workshop authorised by us 6 1 Bearings The bearings are to be completely replaced at the latest after 11000 operating hours 6 2 Mechanical seals The mechanical seals are to be replaced at the latest after every 3000 operating hours or after 2 years Mechanical s...

Page 8: ... disconnected from the power supply and protected against being switched on again The windings are to be discharged all wires disconnected and short circuited Electrostatic charges and mechanical sparks must always be avoided 8 1 The applicable regulations concerning industrial safety plant design and electrical connection e g specifications of professional associations VDE German EngineeringAssoc...

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