Install Instructions

ManualsBrandsBrowning ManualsBushings3/4" x 3/8" Q-D Bushing w/ 2-7/8" Bore

F O R M

Q-D

Instructions

F20-23

Revised

May 2010

• Periodic inspections should be performed. Failure to perform proper maintenance

can result in premature product failure and personal injury.

• All electrical work should be performed by qualiﬁed personnel and compliant with

local and national electrical codes.

• To avoid damage, supporting structure including shafts and bearings must be designed

to handle transmitted loads and belt tension(s).

• Failure to use the cap screws that came with the Product may lead to an

unsafe assembly.

Before Installation:

1. Make sure the shaft, bushing barrel and bore, Q-D bushed product bore, key and keyway are

free of burrs, paint etc. Make sure the key, as applicable, will slide in both shaft keyseat and

bushing bore keyway.

2. For proper operation, make sure the shaft size is within the size limits shown in Table 1. Some

applications may beneﬁt from tighter shaft tolerances.

ILLUSTRATION 1A - - QD ASS‘Y, FLANGE IN BOARD

REVERSE MOUNT

JA-J

STD. MOUNT

(MOST SIZES)

JA-P

• Disconnect and lock-out power before installation and maintenance. Working on or

near energized equipment can result in severe injury or death.

• Do not operate equipment without guards in place. Exposed equipment can result

in severe injury or death.

• Read and follow all instructions carefully.

NOTICE: Lubricant on bushing barrel, hub or screws could lead to breakage.

NOTICE:

Mounting a Q-D® Bushing on a shaft smaller than the size limits shown in Table 1 may result in

a faulty assembly. The assembly may come off the shaft or undesirable assembly runout may result.

Emerson Industrial Automation

7120 New Bufngton Road

Florence, KY 41042

Application Engineering: 800 626 2093

www.emerson-ept.com

Browning, Emerson, Emerson Industrial Automation and Q-D are trademarks of

Emerson Electric Co. or one of its affiliated companies.

MCIM10015 • F20-23 • Printed in USA

Summary of content (4 pages)

PAGE 1
Emerson Industrial Automation Q-D® Instructions 7120 New Buffington Road Florence, KY 41042 Application Engineering: 800 626 2093 www.emerson-ept.com FORM F20-23 Revised May 2010 • Disconnect and lock-out power before installation and maintenance. Working on or near energized equipment can result in severe injury or death. • Do not operate equipment without guards in place. Exposed equipment can result in severe injury or death. • Read and follow all instructions carefully.
PAGE 2
JA-P STD. MOUNT (MOST SIZES) JA-J REVERSE MOUNT ILLUSTRATION 1B - - QD ASS’Y, FLANGE OUTBOARD Mounting: 3. For light weight products, the bushing may first be loosely installed into the Q-D bored product, hereafter referred to as “product”, and then the assembly slid onto the shaft (Illustration 1A and B).
PAGE 3
4. It may be necessary to slightly wedge open the saw slot on some bushings in order to start the bore and position the bushing onto the shaft. A narrow edged regular screw driver may be used. NOTICE: Excessive wedging forces in Bushing saw slot may damage or break Bushing. AVOID. 5. Align the shaft keyseat as applicable with the bushing bore keyway and install the key. Make sure the key runs the entire length of the bushing bore. 6.
PAGE 4
. Tighten the capscrews against the face until the screw force releases the product from the bushing. 5. Remove the bushing and product from the shaft using appropriate means. REMOVAL Reverse Removal Std. Removal Table 1: Shaft Size Limits for Q-D Bushings Shaft Size Range (IN) Through 1 1/2 2 1/2 4 6 8 9 Above 1 1/2 2 1/2 4 6 8 9 - Lower Shaft Size Limit (IN) -0.003 -0.004 -0.005 -0.006 -0.007 -0.008 -0.009 Shaft Size Range (MM) Lower Shaft Size Limit Through (MM) 38.1 -0.076 38.1 63.5 -0.