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Tapered and Short Shaft Bushing Assemblies

These instructions must be read thoroughly before installation or operation. This instruction manual was accurate at the time of

printing. Please see dodgeindustrial.com for updated instruction manuals.

WARNING: To ensure the drive is not unexpectedly started, turn off and

lock-out or tag power source before proceeding. Failure to observe these

precautions could result in bodily injury.

BUSHING INSTALLATION

The Dodge Torque-Arm II Reducer is designed to fit both

standard and short length driven shafts. The Standard Taper

Bushings series is designed where shaft length is not a concern.

The Short Shaft Bushing series is to be used where the driven

shaft does not extend through the reducer.

WARNING: Because of the possible danger to person(s) or property

from accidents which may result from the improper use of products,

it is important that correct procedures be followed. Products must be

used in accordance with the engineering information specified in the

catalog. Proper installation, maintenance and operation procedures

must be observed. The instructions in the instruction manuals must

be followed. Inspections should be made as necessary to assure

safe operation under prevailing conditions. Proper guards and other

suitable safety devices or procedures as may be desirable or as may

be specified in safety codes should be provided, and are neither

provided by Dodge nor are the responsibility of Dodge. This unit and

its associated equipment must be installed, adjusted and maintained

by qualified personnel who are familiar with the construction and

operation of all equipment in the system and the potential hazards

involved. When risk to persons or property may be involved, a holding

device must be an integral part of the driven equipment beyond the

speed reducer output shaft.

Dodge® Speed Reducer

Instruction Manual

TA0107L

TA1107H

TA2115H

TA3203H

TA4207H

TA5215H

TA6307H

TA7315H

WARNING: All products over 25 kg (55 lbs) are noted on the shipping

package. Proper lifting practices are required for these products.

Standard Taper Bushings

One bushing assembly is required to mount the reducer

on the driven shaft. An assembly consists of two tapered

bushings, bushing screws and washers, two bushing backup

plates and retaining rings, and necessary shaft key or keys.

The driven shaft must extend through the full length of the

reducer. If the driven shaft does not extend through the

reducer do not use the standard tapered bushings; instead

use the short shaft bushings as described in the Short Shaft

Bushings section that follows. The minimum shaft length, as

measured from the end of the shaft to the outer edge of the

bushing flange (see Figure 1), is given in Table 1.

Install one bushing backup plate on the end of the hub and

secure with the supplied retaining ring. Repeat procedure for

other side.

Place one bushing, flange end first, onto the driven shaft and

position per dimension "A", as shown in Table 1. This will allow

the bolts to be threaded into the bushing for future bushing

and reducer removal.

Insert the output key in the shaft and bushing. For easy of

installation, rotate the driven shaft so that the shaft keyseat is

at the top position.

NOTE: In most cases the keys that are supplied with the

bushing kit are NOT square keys, and the orientation of

the key is important. Install the key so that it fits snugly in

the width of the keyseat. The keys are marked with a part

number and some keys are also etched with "THIS SIDE

UP" – these markings should be showing on the top of the

key when it is installed in the shaft keyseat, see Figure 1

below.

TA8407H

TA9415H

TA10507H

TA12608H

PART NUMBER

AND MARKINGS

Figure 1 - Key Marking