Leeson Product Catalog 1050

Mod-Squad Stock Motor Modification Program

IEC Motors DC Motors Gearmotors AC / DC Controls Accessories / Kits Mods / Factory Options X-Ref / Index Tech Information Terms / Warnings

L1 Balancing

Two Days*

L2 Bearing Modifications Two Days The LEESON balancing modification has been discontinued due to high costs of re-balancing by an outside firm. Contact your sales office for a quote on special or precision balanced production motors, requiring a minimum order of 10 pieces or contact a LEESON Authorized Service Center for a quote on a Special balance modification. #L2a Changing shielded bearings to sealed bearings on

#L2b Stock motors with shielded or sealed bearings – replace standard bearings with ones having low-temperature lubricant (Beacon #325 or equivalent), with a temperature range of –75°F to +250°F. Standard lubricant has a tempera- ture range of –20°F to +300°F and is consid- ered a high temp lubricant for these motors. Explosion proof motors can only be rated to a –13°F temperature.

stock motors. 48, 56 and 143T-145T, Agricultural motors as well as all Washguard duty and Wash- Thru motors have sealed bearings as standard. Note: Adding sealed bearings to motors hav- ing grease fittings may not make the bearings regreasable. Grease fittings will be removed and plugged.

NEMA Frame

Catalog Number

List Price

NEMA Frame

Catalog Number

List Price

42 48 56

L2B42 L2B48 L2B56 L2B140 L2B180 L2B210

192 192 192 197 215 228

42 48 56

L2A42 L2A48 L2A56 L2A140 L2A180 L2A210 L2A250 L2A280 L2A320 L2A360 L2A400 L2A440

192 192 192 197 215 228 401 510 671

143T-145T 182T-184T* 213T-215T*

143T-145T 182T-184T 213T-215T 254T-256T 284T-286T 324T-326T 364T-365T 404T-405T 444T-449T

*Rolled steel, cast iron or aluminum motors

1,189 1,231 1,640

#L2d Install insulated bearings to protect inverter- driven motors from inverter-sourced shaft voltages. May not be installed on Division 1 or Division 2 hazardous locations. Contact factory for lead time on installing insulated bearings.

#L2c Change bearing grease on cast iron motors with open-type regreaseable bearings. Endbells and bearings are purged and repacked with low- temperature grease (Beacon #325 or equivalent) with a temperature range of -75°F to +250°F or high-temperature grease (Dow Corning DC44M or equivalent) with a temperature range of -40°F to +400°F. Specify grease to be used. Check with LEESON to verify the motor can operate in the temperature range required! LEESON Only.

NEMA Frame

Catalog Number

List Price

143T-145T 182T-184T 213T-215T 254T-256T 284T-286T 324T-326T 364T-365T 404T-405T 444T-449T

L2D140 L2D180 L2D215 L2D250 L2D280 L2D320 L2D360 L2D400 L2D440

476 570

1,676 1,784 1,784 1,938 1,981 2,004 2,221

NEMA Frame

IEC Frame

Catalog Number

List Price

–

254T-256T 284T-286T 324T-326T 364T-365T 404T-405T 444T-449T

L2C250 L2C280 L2C320 L2C360 L2C400 L2C440

368 411 574 614 983

160 180 200 225 250

1,351

399