GE GEH-5304A manual Typical Weights, Location

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GEH-5304A

Table 1

Typical Weights**

CD2512AT

CD2513AT

CD2812AT

CD2813AT

Motor (Less Accessories)

500

550

650

750

Armature

120

135

160

190

**Typical weights. For specific weight, see certified outline.

III.INSTALLATION

Installation should be in accordance with the National Electrical Code and consistent with all local codes. Cou- pling, belt and chain guards should be installed as needed to protect against accidental contact with moving parts. Machines accessible to the public should be further guarded by screening, guard rails, etc. to prevent personnel from coming in contact with the equipment. Fully guarded covers are supplied on motors and generators. Shaft guards are supplied on motor generator sets.

Totally enclosed and waterproof motors must have all covers securely in place with gaskets intact in order to ex- clude dirt, oil and water. It is generally preferred to remove plugs from drain holes at the bottom of the frame to ensure that no condensation will collect inside the motor. However, if the installation requires plugs to be installed, they must be removed periodically to make certain that all water is eliminated.

A.Location

Motors and generators should be installed so that they will be readily accessible for routine inspection and maintenance. They are suitable for use in ambient temperatures from 0°C (32°F) to 40°C (104°F). An ade- quate supply of clean, dry room air is required for self-ventilated, separately ventilated and blown motors. Where motors must operate in dirty, wet or contaminated environments, protection in the form of filters or totally enclosed construction must be used to obtain long life with normal maintenance.

Do not obstruct ventilating openings.

When filters are supplied, service them regularly. Dirty filters shut off ventilating air.

Beware of recirculation. Install motors so that hot exhaust air will not re-enter the motor.

The use of electrical equipment in hazardous locations is restricted by the Na- tional Electrical Code, Article 500. Original equipment manufacturers and user customers must read, understand and apply these rules for installation and use of all equipment in such locations and consult local code inspection and en- forcement agencies, as necessary, to ensure compliance. Motors listed by

Underwriters Laboratories, Inc. for use in specific locations have been designed, tested and ap- proved for use in such locations only.

Sections 501-8 and 502-8 now permit the use of totally enclosed motors with positive pressure ventilation or totally enclosed inert-gas-filled motors (Class I locations only), when installation and operation conform to certain requirements.

Motors for Class I locations must have leads sealed at the frame exit and an explosion-proof conduit box. See Sections 501-4 and 501-5.

Motors for Class II locations must have leads sealed at the frame exit and a dust-ignition-proof conduit box. See Sections 502-4 and 502-5.

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Contents Instructions Copyright 1985, 1992, 1999 General Electric Company Table of Contents Storage of Renewal Parts Storage II. ReceivingHandling Location Typical WeightsAlignment MountingCoupled Drive Belt Drives GroutingBearing Life Belt Tension Factor, Kb Maximum Continuous Thrust Capacity, Lbs Special Load ConsiderationsPinion Drives Thrust LoadsCommutator and Brushes Rectified Power SuppliesInspection Before Starting Bearings and CouplingsBearing Life at 1750 RPM Average Speed Vs. Load, W Speed Life Factor Less Than 500Frame Sizes CD2812AT and CD2813AT Power Supply Available Thermostats ConnectionsProtective Devices Motor Field HeatingA1, A2 F1, F2, F3, F4, etc. T1, T2, T3, T4, etc Accessories & Special Device MarkingsLead Markers Function WindingGeneral Mechanical Inspection Ventilation SystemInspection After Starting Accessory MountingBolt Tightening Torque Values BrakesNoise and Vibration Inspection After Short Time in ServiceReassembly DisassemblyStandard Bearings for CD2512AT-CD2813AT Motors Replacement of BearingsRecommended Regreasing Periods Frame Size CD2512AT- CD2813AT AverageSources of Supply for Bearing Greases Standard Temperature 15F to 212F -10C to 100CLow Temperature High Temperature-20F to 350F -28C to 176CBrush Installation Commutator Brush AssemblyCommutator Diameters In Inches Lubrication of Flexible Couplings MechanicalShaft End Play Waterproof MachinesGEH-5304A Ues Insulation Resistance Measurement Testing Methods Visual InspectionCleaning of Windings Effect of Temperature on Insulation ResistanceOily Dirt Drying of Windings Service Shop CleaningRepair Storage of Renewal Parts VI. Renewal PartsWith Electrical Shop Facilities Number of Duplicate Motors in Service DescriptionRecommended Spare Parts With or Without Electrical Shop FacilitiesCommutator Check Chart Application Information for CD2512AT CD2813AT Frames GEH-5304A Dimensions, Air Openings for CD2512AT CD2813AT Frames Renewal Parts For CD2512AT CD2813AT Frames Air Flow Requirements For Separately Ventilated MotorsFrame 2512AT, 2513AT 2812AT, 2813AT Base Speed AllAccessory Mounting CD2512AT CD2813AT Accessory Mounting CD2512AT CD2813AT GEH-5304A Type CD Frames 2512AT 2813AT 5HDGHU&RPPHQWV Detach and fax or mail to the address noted above Fort Wayne in 46801-2205 USA Isaac #

GEH-5304A specifications

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