Zero-max 6A A1C Six Bolt Composite Disc Coupling User Manual download pdf

Installation Instructions for 6A-A1C six bolt Composite

Disc Couplings

1. Tools Required:

 Torque wrench with hex sockets for clamp hub

socket head cap screws.

 Laser alignment tool or dial indicator

(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. When initially mounting the coupling, the

misalignment may be one and one half times the

maximum permissible misalignment shown in the

catalog. Inspect hub bores, shafts, and keyways

making sure there are no burrs. Clean hub bores and

shafts. Standard CD coupling hubs are supplied with

slight clearance fit (see catalog).

6A A1C Six Bolt Composite

Disc

Coupling

Note: 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 coupling

at higher degrees of misalignment is possible (see

catalog ratings), but will generally reduce the life of the

composite disc pack.

5. Adjust hub separation to dimension “C” specified in

the Table and diagram. Tighten Second hub to the shaft.

6. Align the shafts within the limits for parallel and

angular misalignment specified on page two. For best

alignment results, use a laser alignment tool or dial

indicator.

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.

Caution: Rotating equipment is potentially

dangerous and should be properly guarded. It is the

responsibility of the machine builder, user, or operator

to follow all applicable safety codes and provide a

suitable guard. Make sure the machine is “locked out”

and cannot be accidently started during installation or

maintenance of coupling.

6A-A1C-0924-1

4. Install the coupling onto the shafts. It is recommended

that the ends of both shafts be flush with the end of

each hub. At the minimum each shaft should extend

past the hub clamp slot and extend into one third of the

hub flange (non-slotted) area. If the shaft extends past

the hub face verify there is enough clearance between

shaft and disc pack and the shaft will not contact the

disc pack during operation. Tighten one clamp hub

socket head cap screw to lock the hub onto the shaft.

See the table for the proper tightening torque.

13200 Sixth Avenue North Plymouth, MN 55441-5509 PHONE (763) 546-4300 FAX (763) 546-8260

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

6A SINGLE FLEX

1 2

Summary of Contents

Page 1 - 6A SINGLE FLEX

Installation Instructions for 6A-A1C six bolt Composite Disc Couplings 1. Tools Required:  Torque wrench with hex sockets for cl

Page 2 - Coupling

6A A1C Six Bolt Composite Disc Coupling 6A-A1C-0924-1 13200 Sixth Avenue North Plymouth, MN 55441-5509 PHONE (763) 546-4300 FAX (763) 546-8260

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Zero-max 6A A1C Six Bolt Composite Disc Coupling User Manual

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