Zero-max Stainless Steel Single flex six bolt Composite Dis User Manual download pdf

13200 Sixth Avenue North Minneapolis, MN 55441-5509 PHONE (763) 546-4300 FAX (763) 546-8260 DOC NO.: 6AXX-SS-INST Rev B

TOLL FREE 1-800-533-1731 www.zero-max.com

Revised on 5/2/12

Installation Instructions for Stainless Steel Single flex six bolt Composite Disc Couplings

1. Tools Required:

 Torque wrench with sockets for coupling hex nuts and hub set screw or clamp collar screw.

 Open end wrench for coupling hex bolts.

 Laser alignment tool or Dial indictor (recommended). If not available, a straight edge and feeler gauges.

 Caliper

2. These instructions are for standard series couplings with normal running conditions. Special couplings may have

different instructions or drawings.

3. Inspect hub bores, shafts and keyways making sure there are no burrs. Clean hub bores and shafts. Standard

CD coupling clamped and set screw hubs are supplied with slight clearance fit (see catalog). Install hubs on

shafts. Place one of the hubs flush with end of shaft. Tighten hub to shaft: If hub is set screw style (Fig 1), see

Table 2 on page 3 for proper tightening torque. If installing clamped hub (Fig 2) see assembly details and table on

page 3 on page 3.

4. Align the shafts within the limits for parallel and angular misalignment specified in Table 1. See diagrams 2 and 3

for recommended measurement and alignment methods. For best alignment results, use a laser alignment tool or

dial indicator. Always rotate the hub on which the indicator is mounted.

Aligning the shafts as closely as possible at the time of initial installation will reduce noise and allow the coupling

extra capacity for misalignments and loads which will occur during operation over the life of the connected

equipment. Installing and operating the coupling at higher degrees of misalignment is possible (see catalog

ratings), but will generally reduce the life of the composite disc pack.

Coupling and shaft alignment should be checked periodically due to foundation settling, equipment shifting, etc.

Alignment should be re-checked after the first several hours of operation.

5. Install the disc pack between the hubs. Three bolts connect the disc pack to each hub (6 bolts total). Insert the

bolts thru the 3 holes of the first hub that is tightened to the shaft and tighten the locknuts until the disc pack

bushings are seated into the hub counter bores.

6. Adjust hub separation to dimension “C” specified in the Table 1 and diagram 1. The disc pack bushings will need

to be seated into the second hub counter bores in order to get the proper “C” dimension. If possible, the shafts

should not extend beyond the inside hub face. If the shaft extends past the hub face verify there is enough

clearance to install the disc pack and also verify the shaft will not contact the disc pack during operation. Tighten

second hub to the shaft and re-check angular and parallel misalignment.

7. Install the three bolts connect the disc pack to the second hub. Insert the bolts thru the 3 holes of the second hub

and tighten the locknuts until the disc pack bushings are seated into the hub counter bores.

Table of contents

Pg Description

1 Installation Procedure

2 Assembly Specifications

3 Hub installation Specifications

4 Parts List

1 2 3 4

Summary of Contents

Page 1 -

13200 Sixth Avenue North Minneapolis, MN 55441-5509 PHONE (763) 546-4300 FAX (763) 546-8260 DOC NO.: 6AXX-SS-INST Rev B TOLL FREE

Page 2 - C R A

13200 Sixth Avenue North Minneapolis, MN 55441-5509 PHONE (763) 546-4300 FAX (763) 546-8260 DOC NO.: 6AXX-SS-INST Rev B TOLL FREE

Page 3 - Table 2

13200 Sixth Avenue North Minneapolis, MN 55441-5509 PHONE (763) 546-4300 FAX (763) 546-8260 DOC NO.: 6AXX-SS-INST Rev B TOLL FREE

Page 4 - Replacement Parts

13200 Sixth Avenue North Minneapolis, MN 55441-5509 PHONE (763) 546-4300 FAX (763) 546-8260 DOC NO.: 6AXX-SS-INST Rev B TOLL FREE

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Zero-max Stainless Steel Single flex six bolt Composite Dis User Manual

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