1
WARNING: Because of the possible danger to persons(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 Baldor
Electric Company nor are the responsibility of Baldor
Electric Company. 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.
Instruction Manual
DODGE
®
TORQUE-ARM
™
II Cooling Fan Assemblies
TA4207CF
TA5215CF
TA6307CF
TA7315CF
TA8407CF
TA9415CF
TA10507CF
TA12608CF
These instructions must be read thoroughly before installation or operation.
COOLING FAN 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.
Unpack all compone
nts and inspect for shipping damage.
Do not use any component that has been damaged or
modified. Make sure all components are clean and free
of any foreign material prior to assembly. Cooling fan
assembly is designed to fit onto the input shaft b
efore
placement of sheeves or belt guard assembly.
Installation for TA4207CF and TA5215CF:
1.
Referring to Figure 2, install tapered bushing (9) into
bore of fan blade assembly (2) and loosely install the
three set screws provided with fan. Snug set screws
but do not tighten at this time.
2.
Slide fan assembly onto input shaft and install input
shaft key. Note: Key is supplied with the TAll reducer.
Locate fan blade edge distance “A” (Figure 1) from end
of shaft per Table 1. Make sure fan assembly rotates
without interference when input shaft is rotated.
3.
Alternately tighten the set screws until fan assembly is
securely installed on the input shaft.
4.
Recheck fan assembly for proper location and
clearance. Loosen set screws and repeat steps 2 and
3 above if not properly located.
Installation for TA6307CF through TA12608CF:
1.
Referring to Figure 2, install fan guard back plate
assembly (1) using the four bolts (4) provided. Note that
the screen is mounted towards the reducer. Tighten to
recommended torque in Table 1.
CAUTION: Fan guard screen has sharp edges. Use
caution when installing to avoid lacerations.
2.
Slide fan blade assembly (2) onto input shaft and
install key and set screws (5). Note: Key is supplied
with the Tall reducer. Position fan blade edge distance
“A” (Figure 1) from end of shaft per Table 1. Make sure
fan assembly rotates without interference when input
shaft is rotated. Tighten the two fan blade set screws
(5) securely.
3.
Install fan guard cover (3) with four bolts (6), lockwashers
(7), and hex nuts (8). Tighten securely.
4.
Verify fan blade rotates freely and does not interfere
with fan guard back plate (1) or fan guard cover (3).
Adjust fan blade if necessary.
Table 1 - Dimensions and Bolt Torque
Reducer Size
Dim. “A” mm
Torque (Ft.-Lbs.)
TA4207H
3–3/4
----
TA5215H
4–5/8
----
TA6307H
4–1/4
33–30
TA7315H
4–3/8
33–30
TA8407H
5–1/16
33–30
TA9415H
6–1/4
33–30
TA10507H
6–7/16
33–30
TA12608H
6–7/16
33–30
A
TYPICAL FOR REDUCER SIZES 4 AND 5
TYPICAL FOR REDUCER SIZES 6 THRU 12
A
Figure 1 - Fan Blade Placement
