Dodge Tigear-2 User manual

1
Tigear-2®Accessory Kit
Instruction Manual
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 o and
lock-out or tag power source before proceeding. Failure to observe these
precautions could result in bodily injury.
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 specied 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 specied 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 qualied 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.
WARNING: All products over 25 kg (55 lbs) are noted on the shipping
package. Proper lifting practices are required for these products.
BOLT-ON BASE KIT
Install the detachable base with the smooth side of the base
facing the mounting surface of the reducer. Install the screws
supplied in the kit and tighten all screws to two-thirds of the

torque given.
NOTE: If washers are supplied, it is extremely important to use
them with the screws when attaching the base.
DETACHABLE BASE (QTY.1)
FLAT WASHER (QTY.4)
ALL SIZES EXCEPT SIZE 40
HEX HEAD
CAP SCREW (QTY.4)
Reducer
Size Bolt or Screw Size
Tightening
Torque
(ft-lb)
13 1/4-20 8
15 1/4-20 8
17 5/16-18 17
20 3/8-16 30
23 3/8-16 30
26 3/8-16 30
30 7/16-14 48
35 7/16-14 48
40 5/8-11 130
47 5/8-11 130
STRAIGHT BORE BUSHING KIT
Loosen the six set screws in the hollow bore shaft and insert
the keyed bushing and supplied key into the side of the hollow
bore shaft that will be closest to the driven equipment. Line up
the clearance hole in the bushing with the set screw. Insert the
straight bore bushing into the hollow bore shaft on the opposite
side of the reducer and line up the two clearance holes in the
bushing with the set screws. Apply anti-seize compound to the
driven shaft and slide the reducer onto the driven shaft. Hand
tighten one of the set screws and then hand tighten a set screw
in the same position on the opposite side of the reducer. This
will take up the clearance between the shaft and reducer to the
same side and reduce wobble. Continue the alternating hand
tightening until all the set screws have been tightened. After all
the set screws have been hand tightened, use a torque wrench to
tighten the set screws to the values in the chart below. The 10-32
set screw over the key should be tightened to 3 ft-lb.
Reducer
Size Bolt or Screw Size
Tightening
Torque
(ft-lb)
20 1/4-28 8
23 1/4-28 8
26 1/4-28 8
30 5/16-24 15
35 5/16-24 15

2MN1661
RISER BLOCK KIT
Place the riser blocks between the reducer and the bolt-on base.
The riser blocks may be supplied either as two pieces with two
holes each or as one piece with four holes. If the two piece style


reducer (install riser blocks as shown in View A, not View B).
Install the screws supplied in the kit and tighten all screws to two-
thirds of the appropriate value listed. Tighten all screws to the

WARNING: If washers are supplied, it is extremely important to use
them with the screws when attaching the base. The supplied screws
MUST be tightened to the torque values listed below. The torque
values listed are based upon the use of the supplied fasteners
which are pre-coated with a thread locker that can only be used
once. If a screw is removed during initial installation, the screw must
be discarded and replaced with a new pre-coated screw. Failure
to follow the above procedure may result in serious injury or death
from falling items.
Reducer Size Bolt or Screw Size Tightening Torque
(ft-lb)
13 1/4-20 8
15 1/4-20 8
17 5/16-18 17
20 3/8-16 30
23 3/8-16 30
26 3/8-16 30
30 7/16-14 48
35 7/16-14 48
40 5/8-11 130
47 5/8-11 130
OUTPUT FLANGE KIT
INSTALLATION ON BEARING COVER SIDE: Remove and
discard the four retaining screws on the outside corners of the
bearing cover. Do not remove the two smaller screws. Install


all screws to two-thirds of the appropriate value listed below.

INSTALLATION ON SIDE WITHOUT BEARING COVER:

washers, and lock washers. Tighten the screws to the tightening
torque values listed in the table below.
Reducer
Size Bolt or Screw Size
Tightening
Torque
(ft-lb)
17 5/16-18 17
20 5/16-18 17
23 3/8-16 30
26 3/8-16 30
30 7/16-14 48
35 7/16-14 48
HEX HEAD CAP SCREWS WITH
FLAT WASHERS
(QTY.4)
BOLT-ON BASE (NOT PART
OF KIT)
RISER BLOCKS (SEE TEXT
FOR QTY.)
NOTE: FLAT WASHERS TO BE
USED WITH ALL TIGEAR-2
SIZES EXCEPT SIZE 40.
VIEW A VIEW B
OUTPUT FLANGE
(QTY. 1)
FLAT WASHER
(QTY. 4)
SOCKET HEAD CAP SCREW
(QTY. 4)
LOCK WASHER
(QTY. 4)

3MN1661
OUTPUT BRACKET KIT
Attach the output bracket to the reducer bottom using the
supplied screws and lock washers. If a spacer is supplied, install
the spacer between the reducer top and output bracket and use
the longer two bolts supplied. Install the supplied screws and lock
washers. Tighten all screws to the tightening torque values listed
in the table below.
Reducer
Size Bolt or Screw Size
Tightening
Torque
(ft-lb)
13 1/4-20 8
15 1/4-20 8
17 5/16-18 17
20 3/8-16 30
23 3/8-16 30
26 3/8-16 30
30 7/16-14 48
35 7/16-14 48
OUTPUT SAFETY COVERS
INSTALLATION ON BEARING COVER SIDE (applies to
hollow shaft units only): Remove and discard the four retaining
screws and lock washers on the outside corners of the bearing
cover. Do not remove the two smaller screws. Using the longer
screws supplied in the kit, install the safety cover with the lock

outside corner of the bearing cover as depicted in the diagram
below. Be certain to orient the drain port in a downward position
if possible. Torque the screws to the values listed in the table
below.
INSTALLATION ON SIDE WITHOUT BEARING COVER
(applies to hollow shaft units only): Using the shorter screws
supplied in the kit, install the safety cover with the lock washers

corner of the bearing cover as depicted in the diagram below. Be
certain to orient the drain port in a downward position if possible.
Torque the screws to the values listed in the table below.
NOTE: The lock washers will t inside the holes at the four corners
of the safety cover.
Reducer
Size Bolt or Screw Size
Tightening
Torque
(ft-lb)
17 5/16-18 17
20 5/16-18 17
23 3/8-16 30
26 3/8-16 30
30 7/16-14 48
35 7/16-14 48
40 5/8-11 130
WIDE FLAT WASHERS
(QTY. 8)
SAFETY
COVER
(QTY. 1)
LOCK
WASHERS
(QTY. 4) HEX HEAD
CAP SCREWS
(QTY. 4)

4MN1661
TRANSITION KIT
Position the transition base on the reducer with the counter
bored holes facing away from the reducer. Insert the supplied
socket head screws and lock washers and tighten the screws to
the tightening torque values listed in the below table. Position
the detachable base on the transition base (if used) and insert
the hex head screws. Tighten the screws to the tightening torque
values listed in the table below.
Reducers 2326 2630 3035
Transition
Base to
Reducer
Screw Size
3/8-16 3/8-16 7/16-14
Socket Head
Screw
Tightening
Torque
(ft-lb)
30 30 48
Detachable
Base to
Transition
Base Screw
Size
3/8-16 7/16-14 7/16-14
Hex Head
Screw
Tightening
Torque
(ft-lb)
30 48 48
J-MOUNT BASE KIT
Install the J-mount brackets on the reducer. Insert and hand
tighten the supplied screws and lock washers. Install the reducer
in the application and insert and hand tighten the foundation
bolts. Tighten the J-mount bolts and lock washers on the reducer
to the values listed below. Tighten the foundation bolts.
Reducer
Size Bolt or Screw Size
Tightening
Torque
(ft-lb)
13 1/4-20 8
15 1/4-20 8
17 5/16-18 17
20 3/8-16 30
23 3/8-16 30
26 3/8-16 30
30 7/16-14 48
35 7/16-14 48

5MN1661
PLUG-IN SHAFT KIT
Install a snap ring on the plug-in shaft near the shaft extension
end. Insert the bore key into the key seat in the plug-in shaft.
Remove the two keyway set screws and loosen the remaining
four set screws in the hollow bore shaft in the reducer. (The
keyway set screws may be used but are not required.) Holding
the plug-in output shaft extension, slide the plug-in shaft into
the hollow bore. Install the second snap ring into the groove in
the plug-in shaft on the non-drive end. Hand tighten one of the
four set screws and then hand tighten a set screw in the same
position on the opposite side of the reducer. Continue to alternate
tightening the set screws until all four set screws have been hand
tightened. After all the set screws have been hand tightened,
use a torque wrench to tighten the set screws to the values in the
table below.
NOTE: Apply a thread-locking compound to the raised diameters
on the plug-in shaft before inserting into the reducer for improved
performance.
Reducer
Size Bolt or Screw Size
Tightening
Torque
(ft-lb)
13 1/4-28 8
15 1/4-28 8
17 1/4-28 8
20 1/4-28 8
23 1/4-28 8
26 1/4-28 8
30 5/16-24 15
35 5/16-24 15
40 3/8-24 28
47 3/8-24 28
TIE ROD KIT
Assemble tie rod assembly components—right-hand threaded
rod end, right-hand nut, turn buckle, left-hand threaded rod end
and left-hand nut. The tie rod mounting bracket can be located
on the top or bottom of the reducer. Using the diagram below
as a reference, position the bracket so the tie rod assembly
is on the side of the reducer closet the driven equipment.
Install the mounting bracket cap screws and lock washers and

rod assembly onto the mounting bracket and the fulcrum onto
the tie rod assembly using the supplied hardware (cap screws,
lock washers and nuts). Hardware should only be hand-tight.
Install the fulcrum at an angle not more than 30 degrees from the
motor centerline using customer supplied hardware. The tie rod
assembly length can be adjusted by rotating the tie rod assembly
turn buckle. Tighten the tie rod assembly mounting hardware.
Tighten tie rod assembly jam nuts against the turn buckle to lock
the assembly’s length.
Reducer
Size Bolt or Screw Size
Tightening
Torque
(ft-lb)
13 1/4-20 8
15 1/4-20 8
17 5/16-18 17
20 3/8-16 30
23 3/8-16 30
26 3/8-16 30
30 7/16-14 48
35 7/16-14 48
40 5/8-11 130
47 5/8-11 130
MOUNTING BRACKET (QTY. 1)
THREADED ROD END (QTY. 2)
TURNBUCKLE (QTY. 1)
FULCRUM (QTY. 1)
JAM NUT (QTY. 2)
HEX HEAD CAP SCREW (QTY. 4)
LOCKWASHER (QTY 4)
NUT (QTY. 2)

6MN1661
MOTOR ADAPTER KIT
Locate the reducer on a secure surface with the input shaft facing
up. Loosen the set screws in both coupling halves. Position the

input shaft. Insert the reducer key and tighten the set screw(s).
Coupling hubs may contain one or two set screws. Rotate the
coupling hub one complete revolution to verify the number of set
screws. Torque all set screws per Table 2 below. A hex socket
and extension, not a T-handle wrench, must be used to tighten
the set screws. Install the o-ring on the motor adapter and install
the motor adapter on the reducer using the motor adapter bolts
and copper washers. Tighten the motor adapter bolts to the
torque values listed in Table 1 below. Install the gasket between

gasket, place and align the gasket onto the motor face for the 56
and 140TC frame motors and onto the motor adapter face for the
180, 210, and 250TC frame motors. A small amount of grease
or other suitable product can be placed on the gasket in three
locations to temporarily hold gasket into place.
NOTE: On 210 and 250 frame motor adapter kits, an adapter plate
and additional gasket may be supplied. Place the adapter plate
onto the gasket on the motor adapter and then place the additional
gasket onto the adapter plate.
Insert the elastomeric element into the reducer coupling half.
Place the motor coupling half onto the elastomeric element.
Install the motor key into the motor shaft. Stake the key into
the motor shaft keyway using a punch or small chisel. Align the
motor shaft key with the coupling half keyway and slowly lower

or the adapter plate face. No visible gap should be present.
Do not use the motor mounting bolts to pull the motor onto
the motor adapter. Install the motor mounting bolts and lock
washers. Torque the motor mounting bolts per Table 3 below.
Looking through the access hole, verify that the coupling faces
are in full contact with the coupling elastomeric element. To
set the required gap, insert a .010–.030” shim or feeler gauge
between the elastomeric element and the motor coupling half.

failure. Tighten the motor coupling set screw(s). Coupling hubs
may contain one or two set screws. Rotate the coupling hub one
complete revolution to verify the number of set screws. Torque all
set screws per Table 2 below. Install access hole plug.
NOTE: The Tigear-2 three piece couplings are sourced from
two manufacturers. Tigear-2 reducers may contain either
manufacturer’s coupling.
O-RING (QTY.1)
MOTOR ATTACHMENT BOLTS (QTY.4)
LOCKWASHER (QTY.4)
ACCESS PLUG (QTY.1)
GASKET (QTY.1)
ADAPTER PLATE
(QTY.1 - SEE TEXT)
GASKET (QTY.1 -SEE TEXT)
MOTOR COUPLING HALF (QTY.1)
ELASTOMERIC ELEMENT (QTY.1)
MOTOR ADAPTER BOLT (QTY.4)
REDUCER COUPLING HALF (QTY.1)
LOCKWASHER (QTY.4)
MOTOR ADAPTER (QTY.1)
REDUCER KEY (QTY.1)
Motor Adapter Kit Table 1–Motor Adapter Bolt Torque
Reducer
Size
Bolt or
Capscrew Size
Tightening Torque
(non-lubricated)
13 - 20 5/16 - 18 17 ft-lb
23 - 30 3/8 - 16 30 ft-lb
35 - 47 7/16 - 14 48 ft-lb
Motor Adpater Kit Table 2–Three Piece Coupling Motor &
Reducer Coupling Set Screw Torque
Reducer
Size C-Face Coupling Size
Set Screw
Size
Hex
Key
Size
Tightening
Torque
13A - 30A 56C L075 1/4-20 x 5/16 1/8 78 - 87 in-lb
(6.5 - 7.3 ft-lb)
13A - 15A 140TC
35A 56C L090 1/4-20 x 5/16 1/8 78 - 87 in-lb
(6.5 - 7.3 ft-lb)
17A - 35A 140TC
40A - 47A 140TC
L099 5/16-18 x 3/8 5/32
150 - 165 in-lb
(12.5 - 13.8
ft-lb)
23A - 47A 180TC
35A - 47A 210TC L110 3/8-16 x 1/2 3/16
260 - 290 in-lb
(21.7 - 24.2
ft-lb)
Table 3–Motor Mounting Bolt Torque
Reducer Size C-Face
Bolt or
Capscrew
Size
Tightening Torque
(non lubricated)
13 - 40 56C 3/8 -16 23 ft-lb
140TC
23 - 47 180TC 1/2 - 13 57 ft-lb
210TC
250TC

7MN1661
GRIP TIGHT BUSHING KIT
Clean the driven shaft and bore of the bushing inner sleeve to
remove any oil, grease, or dirt. Insert the bushing inner sleeve
into the bushing outer sleeve/nut assembly.
NOTE: If your Grip Tight bushing kit arrives without the lock nut
preinstalled, please return the kit to your local distributor for one
where the lock nut has already been installed on the outer sleeve.
If the inner sleeve threads do not engage with the lock nut, hold
the assembly in your hand with the lock nut towards you. Hit or
rap on the inner sleeve with a soft rubber mallet or the palm of
your other hand to seat the threads against the lock nut. Rotate
the nut clockwise until the threads in the nut engage the threads
in the inner sleeve. Slide the bushing assembly into the driven
shaft with the lock nut closest to the driven device and install a
key into the bushing.
NOTE: Using a key in the bushing(s) is the preferred arrangement
but is not required if two bushings are used. Keys are ALWAYS
required for brake motor applications. Two bushings are
recommended on size 35 and larger reducers. On smaller reducers,
if only one bushing is used, it is recommended a second bushing be
temporarily used to support the reducer during the installation of
the desired bushing.
Loosen the six hollow bore set screws and slide the reducer onto
the shaft bushing. Support the reducer to keep it from swinging
out of position.
WARNING: Failure to support the reducer may result in injury.
If two bushings are being used, install the second bushing into
the reducer on the opposite side of the reducer hollow bore.
When the reducer is located in the correct location, rotate the
nut on the bushing closest to the driven device clockwise with
a spanner wrench or a pair of large pliers until it is snug and
the reducer cannot be slid along the shaft. Tighten the nut and
additional ¾ to 1 turn on size 23 and 26 reducers, and additional 1
to 1-¼ turns on size 30 and 35 reducers and an additional 1-½ to
2 turns on size 40 and 47 reducers. Tighten the set screw located
on the nut. Repeat the nut tightening procedure for the other
bushing if used. Tighten the six hollow bore set screws.
WARNING: Failure to properly tighten the bushing assemblies may
cause equipment failure and personal injury.
Install the torque arm or other mounting bracket to keep the
reducer from rotating about the driven shaft.
NOTE: If the bushing rotates while tightening the nut on dual
bushing applications without keys, insert a set screw into the
hollow bore shaft and tighten the screw until it extends into the
keyway in the bushing inner sleeve.
TORQUE ARM BRACKET INSTALLATION
NOTE: The banjo style torque arm bracket should be mounted on
the reducer side closest to the driven equipment.
TORQUE ARM BRACKET INSTALLATION ON BEARING
COVER SIDE: Remove and discard the four retaining capscrews
located on the outside corners of the bearing cover. Do not
remove the two smaller capscrews. Locate the torque arm
bracket in the desired position. The torque arm bracket can be
positioned in 45 degree increments. Using the supplied longer

the bracket onto the bearing housing. The spacers are located
between the bearing cover and the torque arm bracket. Install
all four capscrews, spacers, and washers before tightening the
capscrews. Visually center the bracket bore ID with the output
shaft hub OD and lightly tighten the capscrews. Torque the

torque value listed below. Tighten the four capscrews to the
recommended torque value.
TORQUE ARM BRACKET INSTALLATION ON SIDE
WITHOUT BEARING COVER: Locate the torque arm
bracket in the desired position. The torque arm bracket can be
positioned in 45 degree increments. Using the supplied shorter

bracket onto the reducer. The spacers are located between the
reducer housing bosses and the torque arm bracket. Install all
four capscrews, spacers, and washers before tightening the
capscrews. Visually center the bracket bore ID with the output
shaft hub OD and lightly tighten the capscrews. Torque the

torque value listed below. Tighten the four capscrews to the
recommended torque value.
TORQUE ARM BRACKET INSTALLATION TO CUSTOMER’S
STRUCTURE: Prepare the reducer’s hollow output shaft
and selected bushing kit (if required) for mounting onto the
customer’s shaft. Follow the installation instructions for the
selected bushing kit provided in this manual. The straight bore
bushing kit and the grip tight bushing kit installation instructions
are on page 1 and page 7, respectively.
On the frame side of the torque arm bracket, install the inner
rubber isolator bushing half into bracket’s small bore ID. Slide
the Tigear-2 reducer onto the shaft until the inner torque arm
bushing touches the customer’s structure. The frame must
completely support/back up the 1.88” diameter bushing. Do
not tighten the reducer onto the customer’s shaft until after the

been tightened. Caution: To prevent injury, use a temporary
restraining device to hold the reducer onto the shaft during
the torque arm bracket assembly.

bolt/washer combination through the customer’s frame and the

length will be determined by the customer’s frame thickness. The
Do not use a fully threaded
bolt. On the reducer side of the torque arm bracket, install the



hardware components are properly aligned. Apply 243 Loctite to

to 200 in-lb torque.
Tighten the reducer onto the customer’s shaft in accordance
with the reducer or the selected bushing installation instructions.
The straight bore bushing kit and the grip tight bushing kit
installations instructions are on page 1 and page 7, respectively.
Remove temporary restraining device.

Dodge Industrial, Inc.
1061 Holland Road
Simpsonville, SC 29681
[phone]
All Rights Reserved. Printed in USA.
MN1661 02/22
*1661-0222*
© DODGE INDUSTRIAL, INC.
AN RBC BEARINGS COMPANY
Reducer
Size Bolt or Screw Size Tightening Torque(ft-lb)
17 5/16-18 17
20 5/16-18 17
23 3/8-16 30
26 3/8-16 30
30 7/16-14 48
35 7/16-14 48