Baldor Reliance Electric Motor 8040-SB-TEFC

Section 3 – Sleeve Bearings (Oil Lubricated) – Severe and Extreme Conditions

Is the oil discolored or contaminated?

Follow the oil change procedure as per the standard Sleeve Bearing Oil Change task

Select oil viscosity and quality as per Table 3-4 and Section 3 Sleeve Bearings (Oil Lubricated)

De-energize the motor by opening the manual disconnect switches

Remove drain plug and drain oil

Does the oil appear to be contaminated?

Section 3 – Anti-Friction Bearing (Grease Lubricated)

Check relubrication intervals and volumes on the main motor nameplate

Refer to motor nameplate for recommended lubricant

Select alternate lubricants if necessary

Ensure use of clean, fresh grease from clean containers

Verify grease compatibility if mixing is necessary

Ensure grease is free of dirt to avoid damage to motor bearings

Section 3 – RENK Sleeve Bearing Replacement

Disconnect all electrical power from the motor windings and accessory devices before disassembly of the motor

Replace sleeve bearing without disturbing the setup and uncoupling from the driven equipment

Remove the top and bottom bearing liners as stated in RENK Sleeve Bearing Removal Instructions

Ensure shaft bearing shoulders and journal are free of nicks and burrs before replacing bearing

Dress shaft with emery cloth or stone as necessary

Clean the shaft and oil sump thoroughly

Apply a coating of oil to the bearing journal

Inspect the replacement bearing for nicks and damage

Section 3 – Semi-Annual Maintenance − 6 months

Perform all quarterly inspections (see 3 Monthly Motor Periodic Inspection task)

Inspect and clean rotor ends, windings and fan blades (Open Motors only)

Check electrical connections for tightness and absence of corrosion

Section 3 – Winding Maintenance

WARNING — Solvents can be toxic and/or flammable — follow manufacturer's safety procedures and directions — failure to observe this precaution could result in bodily injury

CAUTION — Do not use solvents containing trichloroethane to clean interior or exterior of motor — damage may occur to paint and insulation systems

Disconnect and lockout the power source

Ensure no power is applied to the motor

Section 3 – Horizontal Shaft Motors

Maintain proper lubricant level

Check oil level at midpoint of sight gauge when motor is at rest and in operation

Check constant level oilers for oil presence

Ensure cap on oiler is screwed on tightly