Technical

Bulletin

Bulletin No.: PRO-01-02 Effective Date: 2/23/81 Cancels: PRO-01-02 dated 10/1/80 Page: 1 of 2

Subject:

Cummins to Bendix Compressor Changeover

When changing over from a Cummins manufactured compressor to a Bendix compressor on the Phase III engine, some of the drive components must also be changed. Make certain that adequate clearance is available on the engine for the Bendix compressor model selected.

Cummins recommends when changing any compressors at any time to always replace the spider coupling Cummins Part No. 162426.

When installing the 501 compressor on the Cummins in-line engine, always be certain the sleeve coupling stop, piece number 290582, is installed between the coupling and crankshaft at the driven end of the compressor. The sleeve coupling stop is part of the compressor assembly.

One important point we want to bring to your attention; when pressing the gear on the crankshaft of the Tu-Flo 501 compressor, the maximum load permissible is 5,800 pounds. Do not exceed this load or you will damage the crankshaft.

The following is a listing of Cummins drive components required for various compressor and engine combinations:

FOR CUMMINS IN-LINE SIX CYLINDER ENGINES

The following parts are required when changing over to the Bendix Tu-Flo 501:

Description

Drive Coupling

Compressor Drive Gear

Mounting Flange Gasket (PT end)

Mounting Flange Gasket (drive end)

Spider Coupling

Quantity

1

1

2

1

1

Part Number

Cummins Pc. No. 199358

Cummins Pc. No. 200398

Bendix Pc. No. 249243

Bendix Pc. No. 290848

Cummins Pc. No. 162426

The following parts are required when changing over to Bendix Tu-Flo 500, 600 and 700 compressors:

Description Quantity

Drive Coupling

Compressor Drive Gear

Mounting Flange Gasket (PT end)

Mounting Flange Gasket (drive end)

Spider Coupling (PT end) 1

Die Cast Coupling (compressor PT end) 1

Key

Screw

1

1

Washer

Lockwasher

1

1

2

1

1

1

Part Number

Cummins Pc. No. 200824

Cummins Pc. No. 200398

Bendix Pc. No. 249243

Bendix Pc. No. 290848

Cummins Pc. No. 162426

Cummins Pc. No. 101918

Cummins Pc. No. 68174

Cummins Pc. No. 69793

Cummins Pc. No. S-604

Cummins Pc. No. S-602

FOR CUMMINS V-903 ENGINES

The following parts are required when changing over to the Bendix Tu-Flo 501 and 700 compressors:

Description

Mounting Flange Gasket (drive end)

Mounting Flange Gasket (PT end)

Compressor Drive Gear

Spider Coupling (PT end)

Quantity

1

1

1

1

Part Number

Cummins Pc. No. 169992

Bendix Pc. No. 249243

Bendix Pc. No. 211083

Bendix Pc. No. 162426

The following additional parts are required for the Bendix Tu-Flo 500 compressor:

Description

Die Cast Coupling (PT end)

Key

Key

Screw

Washer

Lockwasher

Quantity

1

1

1

1

1

1

Part Number

Cummins Pc. No. 101918

Cummins Pc. No. 68174

Cummins Pc. No. S-316

Cummins Pc. No. 69793

Cummins Pc. No. S-604

Cummins Pc. No. S-602

All Cummins drive components listed should be obtained from Cummins.