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ABB TA0107L Instruction Manual page 2

Dodge torque-arm ii speed reducers ratios 5, 9, 15, 25, and 40:1

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HORIZONTAL MOUNTING
POSITION A
POSITION A
5 (NEAR)
4
6 (FAR)
1
3
POSITION C
3
1
5 (NEAR)
2
6 (FAR)
4
VERTICAL MOUNTING
POSITION E
5
2
6
4 (NEAR)
3 (FAR)
Figure 1 - Mounting Positions
Table 1 - Output Speeds
Output Speeds Above 15 RPM
Mounting
Position
1
2
Position A
Level
Plug
Position B
Drain
Vent
Position C
Plug
Level
Position D
Vent
Drain
Position E
Level
Plug
Position F
Plug
Drain
Output Speeds Above 15 RPM and Below*
Mounting
Position
1
2
Position A
Plug
Level
Position B
Drain
Vent
Position C
Level
Plug
Position D
Vent
Drain
Position E
Level
Plug
Position F
Plug
Drain
* Below 15 RPM output speed, oil level must be adjusted to reach the highest oil
level plug. If reducer position is to vary from those shown in Figure 1, either more
or less oil may be required. Consult Mechanical Power Transmission Support in
Greenville, SC.
The running position of the reducer in a horizontal application
is not limited to the four positions shown in Figure 1. However,
if running position is over 20° in position "B" & "D" or 5° in
position "A" & "C", either way from sketches, the oil level plug
cannot be used safely to check the oil level, unless during the
checking, the torque arm is disconnected and the reducer is
swung to within 5° for position "A" & "C" or 20° for position
"B" & "D" of the positions shown in Figure 1. Because of the
many possible positions of the reducer, it may be necessary
or desirable to make special adaptations using the lubrication
filling holes furnished along with other standard pipe fittings,
stand pipes and oil level gauges as required.
If mounting the Torque-Arm II reducer on an inclined angle,
consult Mechanical Power Transmission Support for proper oil
level.
POSITION B
2
2
4
5 (NEAR)
6 (FAR)
1
POSITION D
1
3
4
2
POSITION F
4 (NEAR)
3 (FAR)
6
1
1
2
5
Vent and Plug Locations
3
4
5
Drain
Vent
Plug
Level
Plug
Plug
Vent
Drain
Plug
Level
Plug
Plug
Plug
Drain
Vent
Level
Plug
Plug
Vent and Plug Locations
3
4
5
Drain
Vent
Plug
Plug
Level
Plug
Vent
Drain
Plug
Level
Plug
Plug
Plug
Drain
Vent
Level
Plug
Plug
3.
Mount reducer on driven shaft as follows:
For Taper Bushed Reducer: Mount reducer on driven shaft
per instruction in Torque-Arm II Bushing Installation section
of this manual.
4.
Install sheave on input shaft as close to reducer as practical
(Figure 2).
5.
If not using a Dodge Torque-Arm II motor mount, install motor
3
and V-belt drive so belt will approximately be at right angles
to the center line between driven and input shaft (Figure 3).
This will permit tightening the V-belt with the torque arm.
6.
Install torque arm and adapter plates reusing the reducer
5 (NEAR)
bolts. The adapter plates will fit in any position around the
6 (FAR)
input end reducer.
7.
Install torque arm fulcrum on a flat and rigid support so
that the torque arm will be approximately at right angles to
the center line through the driven shaft and the torque arm
anchor screw (Figure 4). Make sure that there is sufficient
take-up in the turnbuckle for belt tension adjustment when
using V-belt drive.
CAUTION: Unit is shipped without oil. Add proper amount
of recommended lubricant before operating. Failure to
observe this precaution could result in damage to or
destruction of the equipment.
8.
Fill gear reducer with recommended lubricant (Table 3).
6
Plug
Plug
Plug
Plug
Figure 2 - Reducer and Sheave Installation
Plug
Vent
6
Plug
Plug
Plug
Plug
Plug
Vent
TORQUE-ARM II BUSHING INSTALLATION
WARNING: To ensure that drive is not unexpectedly
started, turn off and lock out or tag power source before
proceeding. Remove all external loads from drive before
removing or servicing drive or accessories. Failure to
observe these precautions could result in bodily injury.
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.
2
KEEP
CLOSE
DRIVEN
SHAFT
RIGHT ANGLE OR
MAY VARY 30°
V-BELT
DRIVE
Figure 3 - Angle of V-Drive
RIGHT ANGLE OR
MAY VARY 20° IN
TENSION OR
COMPRESSION
TORQUE-ARM
AND BELT
TAKE-UP
Figure 4 - Angle of Torque-Arm
INPUT
SHAFT
KEEP
CLOSE
V-BELT
DRIVE MAY
BE LOCATED
TO THE
RIGHT IF
DESIRED
TORQUE
ARM MAY
BE LOCATED
TO THE
RIGHT IF
DESIRED

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