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This instruction is for mounting tapered sleeve adapters to MD and MC series motors. Applicable motors are MD802, MD602, & MC602 through MD824, MD624, & MC624. The parts included are a tapered sleeve adapter, tapered sleeve adapter end plate, a machined modified motor nut, (6) 5/16-18 socket head cap screws for mounting the tapered sleeve adapter to the tapered sleeve adapter end plate, and a spanner wrench for mounting modified motor nut, if applicable.

Note: The applicable motors NOT requiring the spanner wrench are as follows: MD802/MD602/MC602, MD804/MD604/MC604, MD808/MD608/MC608, and MD814/MD614/MC614.


Reference drawing 550A0215 sh1, 550A0215 sh2 and Applicable Outline Drawings

1.1 Prepare motor shaft by removing any dirt, debris, burrs, or other protrusions from the area where the adapter surfaces will come in contact with the motor shaft. A wire wheel, wire brush, sand paper, and files are tools needed for this procedure.

1.2 Using 1/4" hex key, remove the (6) 5/16-18 socket head cap screws and remove tapered sleeve adapter end plate and modified nut from tapered sleeve adapter.

1.3 Clean the inner surface of the tapered sleeve adapter to be mounted to the motor shaft.

1.4 Mount the tapered sleeve adapter onto the motor shaft with modified nut provided. Where space is adequate, as noted above, a standard socket wrench can be used to tighten the nut. All other cases require a spanner wrench, provided, to tighten the nut. Torque nut to a minimum of 30 if-lbs.

1.5 Clean the contact surfaces of the tapered sleeve adapter and end plate and using 114" hex key mount the end plate to the adapter with (6) 5/16-18 screws and torque 20 to 25 if-lbs.

1.6 Continue with mounting one of the following: CC550/AF Alignment & Centering Flange, CC550/TM Tilt Adjusting Mandrel, or CC550/M Mandrel Shaft per their Installation Instructions.


Carlen Controls, Inc. warrants its products to be free from defects caused by faulty materials or poor workmanship for a minimum period of one year from the date of shipment from Carlen Controls.

This warranty does not cover defects or damages caused by service or repair performed by anyone other than Carlen Controls. Do not attempt to open covers or housings where fasteners have been sealed.

Carlen Controls’ liability is limited to replacing, repairing or issuing credit at its option, for any products which are returned by the original purchaser during the warranty period. Carlen Controls makes no warranty that its products are fit for the use or purpose to which they may be put by the buyer, whether or not such use or purpose has been disclosed to Carlen Controls in specifications or drawings previously or subsequently provided, or whether or not Carlen Controls’ products are specifically designed and/or manufactured for the buyer’s use or purpose. Carlen Controls’ liability on any claim for loss or damage arising out of the sale, resale or use of any of its products shall in no event exceed the selling price of the unit.

Carlen Controls warranty covers only products manufactured by Carlen Controls. Products used in conjunction with Carlen Controls products but supplied by another manufacturer; such as Inland Motors’ tachometer and Hubbell overspeed switches, are covered by original manufacturer’s warranty.

Return Products Procedure

No products may be returned, whether in warranty or out of warranty, without first obtaining approval from Carlen Controls. Any returned product (s) must be accompanied by a return authorization number. Products must be returned, prepaid, to Carlen Controls (no COD or Collect Freight accepted). The status of any product returned later than (3) days after the issuance of a return authorization number will be subject to review.

Returned Product Warranty Determination

After Carlen Controls’ examination, warranty or out-of-warranty status will be determined. If upon examination a warranted defect exists, then the product (s) will be repaired at no charge and shipped, prepaid, back to the buyer.

Return Product Non-Warranty Determination

After Carlen Controls’ examination, the buyer shall be notified of the repair cost. At such time the buyer must issue a valid purchase order to cover the cost of the repair and freight, or authorize the product (s) to be shipped back as is, at the buyer’s expense. Failure to obtain a purchase order number or approval within (30) days of the notification will result in the product(s) being returned as is, at the buyer’s expense.

Rush Service

At times, the buyer may desire to expedite a repair. Regardless of warranty or out-of-warranty status, the buyer must issue a valid purchase order to cover the added rush cost service. Rush service is subject to Carlen Controls’ approval.

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