SEW-Eurodrive X Series User Manual

*26012677_0620*
Drive Technology \ Drive Automation \ System Integration \ Services
Assembly and Operating
Instructions
Explosion-Proof Industrial Gear Units
X.. Series Helical and Bevel-Helical Gear Units
Torque Classes from 6.8kNm – 475 kNm
Edition 06/2020 26012677/EN

SEW-Eurodrive X Series Specifications

General

Series	X Series
Gearbox Size	Various sizes available
Output Shaft	Solid shaft, hollow shaft
Lubrication	Oil lubrication
Protection Class	IP65
Ambient Temperature	-20 °C to +40 °C (standard), wider range available
Altitude	Up to 1000 m above sea level (standard)

Summary

General Information

Structure of the Safety Notes

Explains the meaning of signal words and the structure of safety notes.

Safety Notes

Preliminary Information

General safety notes for preventing injury and property damage.

Duties of the User

Ensures compliance with safety notes and reading of documentation.

General Information

Highlights hazards of explosive atmospheres and safe handling practices.

Designated Use

Specifies intended use for industrial systems and compliance with directives for explosion protection.

Transport

Provides safety information and instructions for transporting gear units.

Storage and Transport Conditions

Details internal and external corrosion protection measures and packaging types.

Basic Gear Unit Structure

X.. Series Nameplate

Type Designations

Details the structure of type designations for gear units and oil supply systems.

Mounting Position

Mounting Positions and Standard Mounting Surfaces

Fixed and Variable Pivoted Mounting Positions

Differentiates between fixed and variable pivoted mounting positions.

Corresponding Directions of Rotation

Housing Design

Describes housing designs: horizontal, universal, thermal, and agitator.

Combination Overview of Housing Types and Options

Input and Output Shafts

Details the two types of shafts: high-speed (HSS) and low-speed (LSS).

Hollow-shaft Gear Units with TorqLOC®

Sealing System

Details sealing systems for input and output shafts: non-regreasable and regreasable seals.

Coating and Surface Protection Systems

Lubrication

Explains types of lubrication: splash, bath, and pressure lubrication.

Type of Lubrication

Design of Options and Accessories

Oil Expansion Tank /ET

Compensates for oil volume variations due to temperature fluctuations.

Shaft End Pump /SEP

Supplies bearing points and gearing with oil via a tube system for pressure lubrication.

Motor Adapter /MA

Details motor adapters for IEC and NEMA motors, including weight limitations.

V-Belt Drives /VBD

Type of Cooling

Fan /FAN

Details fan installation for thermal rating enhancement and ambient condition changes.

Pressure Switch /PS

Installation and Assembly

Important Information

Provides critical safety notes prior to installation and mounting.

Prerequisites for Installation

Checks conditions like motor nameplate data, transport damage, and ambient temperature.

Installing the Gear Unit

Provides guidance on proper gear unit installation and foundation requirements.

Aligning the Shaft Axis

Gear Unit Mounting in Potentially Explosive Atmospheres

Ensures adherence to safety notes in Chapter 2 for explosive atmospheres.

Gear Units and Gearmotors in Equipment Groups I and II

Details requirements for explosion-protected gear units in equipment groups I and II.

Temperature Information

Defines limit values for surface temperature, oil bath temperature, and ambient temperature.

Surface Temperature

Details maximum surface temperatures based on Ex classification and operating conditions.

Filling Gear Units with Oil / Delivered Without Oil Fill (Standard)

Provides notes and warnings for filling gear units with oil.

Gear Units with Solid Shaft

Output Shaft as Hollow Shaft with Keyed Connection /..A

Output Shaft as Hollow Shaft with Shrink Disk /..H

Output Shaft as a Splined Hollow Shaft /..V

Hollow-shaft Gear Units with TorqLOC®

Describes removal of protection cover and mounting to customer shafts.

Torque Arm /T

Provides warnings and notices regarding torque arm installation and function.

Mounting Flange /F

Couplings

Provides information on coupling use in potentially explosive areas and mounting tolerances.

Motor Adapter /MA

Covers maximum permitted motor weight and motor attachment procedures.

V-belt Drives /VBD

Information on V-belt drive permits, maximum motor weight, and mounting.

Limit Temperature for Gear Unit Start

Oil Heater /OH

Provides notes regarding oil heater installation, function, and electrical connection.

Pressure Switch /PS

Describes function monitoring for pressure lubrication and electrical connection.

Temperature Sensor /PT100

Startup

Important Notes

Critical notes and warnings to be read before starting up the gear unit.

Permitted External Loads

Starting Up Gear Units in Potentially Explosive Atmospheres

Ensures nameplate values are not exceeded and defines measures for explosive atmospheres.

Startup of Gear Units with Long-Term Protection

Adheres to points for gear units with long-term protection, including anti-corrosion agent and breather.

Shaft End Pump /SEP

Oil Heater /OH

Provides warnings and notices regarding oil heater operation and mounting position changes.

Backstop /BS

Provides information and notices regarding backstop operation and motor direction.

Measuring the Surface and Oil Temperatures

Provides information on measuring surface and oil temperatures and limit values.

Starting Up the Gear Unit at Low Ambient Temperatures

Gear Unit Shutdown / Gear Unit Conservation

Provides safety warnings and information for gear unit shutdown and conservation.

Inspection and Maintenance

Preliminary Work Regarding Inspection and Maintenance

Provides safety notes and preliminary checks before starting inspection/maintenance work.

Inspection and Maintenance Intervals

Lists inspection and maintenance tasks based on time intervals.

Lubricant Change Intervals

Provides information on lubricant change intervals based on operating hours and temperature.

Checking the Oil Level

Details general information, standard procedure for oil dipstick, oil sight glass, and oil level glass.

Checking the Oil Consistency

Outlines the procedure for checking oil consistency, appearance, and contamination.

Changing the Oil

Provides notes on oil change procedures, including warnings and information.

Refilling Grease

Axial Fan

Water Cooling Cover /CCV

Water Cooling Cartridge /CCT

Oil Heater /OH

Permitted Lubricants

Lubricant Selection

Notes on selecting lubricants, including contact with SEW-EURODRIVE and warranty implications.

Lubricant Tables

Lubricant Fill Quantities

Provides guide values for lubricant fill quantities based on gear stages and ratio.

Horizontal Housing /HH and Universal Housing /HU

Sealing Greases/Rolling Bearing Greases

Malfunctions and Remedy

Troubleshooting Information

Provides safety notes before proceeding with troubleshooting.

Possible Malfunctions/Remedy

Lists common malfunctions, possible causes, and suggested measures for resolution.

Declaration of Conformity

EU Declaration of Conformity

Translates the original text of the EU Declaration of Conformity.