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SEW-Eurodrive S77 - User Manual

SEW-Eurodrive S77
68 pages
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04/2000
Gear Units
R..7, F..7, K..7, S..7 Series, Spiroplan
®
W
Edition
05/2001
Operating Instructions
10503013 / EN

Questions and Answers

  • W
    Wendy NunezAug 9, 2025
    Why is oil leaking from the breather valve on my SEW-Eurodrive Industrial Equipment?
    • W
      william30Aug 9, 2025
      If oil is leaking from the breather valve of your SEW-Eurodrive Industrial Equipment, it could be due to having too much oil. In this case, correct the oil level. Alternatively, the drive might be installed in an incorrect mounting position. To resolve this, fit the breather valve correctly and adjust the oil level.
  • K
    Kim NealAug 16, 2025
    How to troubleshoot unusual regular running noise in SEW-Eurodrive S77 Industrial Equipment?
    • P
      Patricia SinghAug 16, 2025
      An unusual, regular running noise in your SEW-Eurodrive Industrial Equipment could be due to a meshing/grinding noise, indicating bearing damage. Check the oil and replace the bearing. Alternatively, a knocking noise might suggest an irregularity in the gearing.
  • L
    Lauren RichardsonAug 25, 2025
    What causes unusual irregular running noise in SEW-Eurodrive S77 Industrial Equipment?
    • M
      Michael MooreAug 25, 2025
      An unusual, irregular running noise in your SEW-Eurodrive Industrial Equipment may be caused by foreign bodies in the oil. Check the oil.
  • M
    Mark TaylorSep 1, 2025
    Why is the output shaft not rotating on my SEW-Eurodrive Industrial Equipment?
    • S
      Sherry LongSep 1, 2025
      The output shaft of your SEW-Eurodrive Industrial Equipment not rotating, even when the motor is running or the input shaft is rotating, indicates that the shaft hub connection is interrupted in the gear unit.

Summary

Safety Notes

Preliminary remarks

General introduction to safety notes and precautions for geared motors.

General

General safety information regarding moving parts, hot surfaces, and qualification of personnel.

Gear Unit Design

3.1 Basic design of a helical gear unit

Illustrates the basic structure and components of a helical gear unit.

3.2 Basic design of a parallel shaft helical gear unit

Details the design and components of a parallel shaft helical gear unit.

3.3 Basic design of a helical-bevel gear unit

Explains the design principles and parts of a helical-bevel gear unit.

3.4 Base design of a helical-worm gear unit

Presents the fundamental design and components of a helical-worm gear unit.

3.5 Basic design of a SPIROPLAN gear unit

Shows the design principles and components for a SPIROPLAN® gear unit.

Mechanical Installation

4.2 Before you begin

Prerequisites and conditions that must be met before starting the installation process.

4.4 Installing the gear unit

Instructions for mounting the gear unit or geared motor onto a support structure.

4.5 Gear units with solid shaft

Guidance on installing input and output elements onto solid shaft gear units.

4.6 Installation of torque arms for shaft-mounted gear units

Procedures for installing torque arms on different types of shaft-mounted gear units.

4.7 Installation;removal of shaft-mounted gear units with key or splines

Steps for installing and removing gear units that use keys or splines for shaft mounting.

Removal notes

Procedures for removing gear units that were installed with the SEW mounting/removal kit.

4.8 Installation;removal of shaft-mounted gear units with shrink disc

Steps for installing and removing gear units that use a shrink disc for shaft mounting.

4.9 Installation of the AM adapter coupling

Instructions for installing the AM adapter coupling for IEC and NEMA adapters.

4.10 Installation of the AQ adapter coupling

Procedures for installing the AQ adapter coupling (AQA and AQH designs).

4.11 Installation on the AD input shaft assembly

Steps for installing onto the AD input shaft assembly with motor mounting platform.

AD..;ZR design with centering shoulder

Details for installing components on AD../ZR designs with a centering shoulder.

Startup

5.1 Startup of helical-worm and Spiroplan W gear units

Specific startup notes and running-in periods for helical-worm and Spiroplan® W gear units.

5.2 Startup of helical, parallel shaft helical and helical-bevel gear units

Startup notes for helical, parallel shaft helical, and helical-bevel gear units.

Troubleshooting

6.1 Gear unit problems

A table outlining common gear unit problems, possible causes, and remedies.

Inspection and Maintenance

7.1 Inspection and maintenance periods

Schedule and tasks for regular inspection and maintenance of gear units.

7.2 Lubricant replacement schedule

Chart showing lubricant replacement intervals based on operating hours and temperature.

7.3 Inspection;maintenance of gear units

Detailed procedures for checking and changing oil in gear units.

Checking the oil level

Steps for checking the oil level in the gear unit.

Changing the oil

Step-by-step guide on how to drain and refill the gear unit with new oil.

Mounting Positions

8.3 Mounting positions, helical gear units

Diagrams illustrating mounting positions (M1-M6) for helical gear units (R..).

RF17-RF167

Mounting position diagrams for RF17-RF167 series geared motors.

R17 F-R87 F

Mounting position diagrams for R17F-R87F series gear units.

RX57-RX107

Mounting position diagrams for RX57-RX107 series gear units.

RXF57-RXF107

Mounting position diagrams for RXF57-RXF107 series gear units.

8.4 Mounting positions, parallel shaft helical gear units

Diagrams showing mounting positions for parallel shaft helical gear units (F..).

FF;FAF;FHF;FAZ;FHZ27-157, FVF;FVZ27-107

Mounting position diagrams for FF, FAF, FHF, FAZ, FHZ, FVF, FVZ series gear units.

FA;FH27-157, FV27-107

Mounting position diagrams for FA, FH, FV series gear units.

8.5 Mounting positions, helical-bevel gear units

Diagrams illustrating mounting positions for helical-bevel gear units (K..).

8.6 Mounting positions, helical-worm gear units

Diagrams showing mounting positions for helical-worm gear units (S..).

Lubricants

Lubricant fill quantities

Recommended lubricant fill quantities in liters for various gear unit types and mounting positions.

SEW-Eurodrive S77 Specifications

General IconGeneral
SeriesS77
Gear Unit Size77
Input OptionsIEC motor
Protection ClassIP65
Cooling MethodNatural Convection
LubricationOil

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