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RBC DODGE TXT/HXT 1E Instruction Manual

Torque-arm double-reduction tapered-bushed and straight-bore speed reducers

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Tapered-Bushed and Straight-Bore Speed Reducers
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.
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.
Torque-Arm TXT Double-Reduction
Instruction Manual
TXT/HXT 1E
TXT/HXT 2E
TXT/HXT 3E
TXT/HXT 4E
Includes Char-Lynn 6B Hydroil Reducers
HXT 3E–6B
HXT 4E–6B
TXT/HXT 5E
TXT/HXT 6E
TXT/HXT 7E
HXT 5E–6B
WARNING: All products over 25 kg (55 lbs) are noted on the shipping
package. Proper lifting practices are required for these products.
INSTALLATION
1.
Use lifting bracket where applicable to lift reducer.
2.
Determine the running positions of the reducer (see Figure 1).
Note that the reducer is supplied with six plugs; four around
the sides for horizontal installations and one on each face for
vertical installations. These plugs must be arranged relative
to the running positions as follows:
Horizontal installations
Install the magnetic drain plug in the hole closest to the
bottom of the reducer. Install the filter/ventilation plug in
topmost hole. Of the two remaining plugs on the sides of
the reducer, the lowest plug is the minimum oil level plug.
Vertical installations
Install the filter/ventilation plug in the hole provided in the
upper face of the reducer housing. If space is restricted
on the upper face, install the vent in the highest hole on
the side of the reducer per Figure 1 using the optional
vertical vent kit. Install a plug in the hole in the bottom
face of the reducer. Do not use this hole for the magnetic
drain plug. Install the magnetic drain plug in the lowest
hole on the sides of the reducer. Of the remaining holes
on the sides of the reducer, use the plug in the upper
housing half for the minimum oil level plug.
NOTE: This reducer is compatible with Dodge sensors,
that can be installed in the adapter plug. The plug and
sensor can be moved to different locations as required by
mounting position.
1
TXT 8E
TXT 9E
TXT 10E
TXT 12E
HXT 6E–6B
HXT 7E–6B

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Summary of Contents for RBC DODGE TXT/HXT 1E

  • Page 1 Torque-Arm TXT Double-Reduction Tapered-Bushed and Straight-Bore Speed Reducers Instruction Manual TXT/HXT 1E TXT/HXT 5E TXT 8E TXT/HXT 2E TXT/HXT 6E TXT 9E TXT/HXT 3E TXT/HXT 7E TXT 10E TXT/HXT 4E TXT 12E Includes Char-Lynn 6B Hydroil Reducers HXT 3E–6B HXT 6E–6B HXT 5E–6B HXT 4E–6B HXT 7E–6B...
  • Page 2 Keep close Driven shaft Input shaft Keep close Figure 2 - Reducer and Sheave Installation Right angle Figure 1 - Mounting Positions or may vary 30 degrees in tension Below 15 rpm output speed, oil level must be adjusted to 20 degrees in compression reach the highest oil level plug.
  • Page 3 of the bushing flange prior to placing the bushing on the shaft Bushing screw information and minimum clearance for removal and position as required. Fastener Torque Dimension A Insert the output key in the shaft and bushing. For ease of Reducer size size (in-lbs)
  • Page 4 LUBRICATION After an initial operation of about two weeks, the oil should be changed. If desired, this oil may be filtered and reused. After IMPORTANT: Because Torque-Arm reducers are shipped the initial break in period, under average industrial operating without oil, it is extremely important to add the proper conditions, the lubricant should be changed every 2,500 hours amount of lubricant prior to operating reducer.
  • Page 5 Table 3–oil recommendations ISO grades for ambient temperatures of 50 °F to 125 °F (refer to notes below) Torque-Arm reducer size Output (H)TXT 1E (H)TXT 2E (H)TXT 3E (H)TXT 4E (H)TXT 5E (H)TXT 6E (H)TXT 7E TXT 8E TXT 9E TXT 10E TXT 12E 301–400...
  • Page 6 OIL VISCOSITY EQUIVALENCY CHART OIL VISCOCITY EQUIVALENCY CHART KINEMATIC SAYBOLT VISCOSITIES VISCOSITIES cSt/ cSt/ AGMA GRADES SUS/ SUS/ 40°C 100°C GRADES GEAR OILS 100°F 210°F 2000 10,000 8000 1500 6000 1000 5000 1000 4000 3000 2000 1500 1000 VISCOSITIES CAN BE RELATED HORIZONTALLY ONLY.
  • Page 7: Motor Mounts

    GUIDELINES FOR TXT REDUCER MOTOR MOUNTS LONG-TERM STORAGE During periods of long storage, or when waiting for delivery or installation of other equipment, special care should be taken to protect a gear reducer to have it ready to be in the best condition when placed into service.
  • Page 8: Replacement Of Parts

    REPLACEMENT OF PARTS TA8 through TA10 Motor Mount Remove the required housing bolts on the output end of NOTE: Using tools normally found in a maintenance the reducer. Place the motor mount brackets in position department, a Dodge Torque-Arm speed reducer can be and install the longer housing bolts supplied with the motor disassembled and reassembled by careful attention to the mount assembly.
  • Page 9 Removing Reducer from Shaft Disassembly WARNING: To ensure that drive is not unexpectedly started, Drain all oil from the reducer. turn off and lock out or tag power source before proceeding. Remove all locking collars, retaining rings, and bushing Remove all external loads from drive before removing or backup plates as required.
  • Page 10 (H)TXT 1E and (H)TXT 2E Reassembly cups into the left-hand housing. Repeat the above procedure and adjust the axial endplay as required per Table 5. Once Output Hub Assembly: Heat gear from 325 °F to 350° to the endplay is set, remove the left-hand housing and apply shrink onto hub.
  • Page 11 NOTE: Extreme care should be used when installing NOTE: Extreme care should be used when installing seals to avoid damage due to contact with sharp edges seals to avoid damage due to contact with sharp edges on the input shaft or output hub. A slight oil leak at the on the input shaft or output hub.
  • Page 12 REPLACEMENT PART AND KIT NUMBERS Table 7–Part Numbers for Replacement Bearings, Double-Reduction Reducers Output hub bearing – LH and RH sides Input shaft bearing – LH input side Reducer size Reducer size Part number Mfr part number Part number Mfr part number (H)TXT 1E 424020 6011NR...
  • Page 13 Table 8–Replacement parts kit numbers Output hub assembly Countershaft Reducer size Ratio Seal kit Bearing kit(s) Complete shim kit assembly Tapered hub Straight hub 392100 TXT 1E 15:1 392119 390878 390151 392090 389905 All 25:1 392091 9:01 392101 TXT 2E 15:1 392120 392111...
  • Page 14 Parts for (H)TXT 1E and (H)TXT 2E Straight- and Tapered-Bushed Double-Reduction Reducers 86,88 STRAIGHT BORE TAPERED BORE HYDROIL INPUT 106,110 OPTIONAL BACKSTOP TORQUE-ARM ROD ASSEMBLY ASSEMBLY MN16027...
  • Page 15 Parts for (H)TXT 3E and (H)TXT 4E Straight- and Tapered-Bushed Double-Reduction Reducers 80,81 80,81 86,88 54,55 54,55 38,39 38,39 44,45 44,45 TAPERED BORE STRAIGHT BORE HYDROIL INPUT 106,110 OPTIONAL BACKSTOP ASSEMBLY TORQUE-ARM ROD ASSEMBLY MN16027...
  • Page 16 Parts for (H)TXT 1E through (H)TXT 4E Straight- and Tapered-Bushed Double-Reduction Reducers Ref. Description Qty. (H)TXT 1E (H)TXT 2E Qty. (H)TXT 3E (H)TXT 4E Backstop Assembly 241737 242709 243737 903102 Housing LH – TXT 241712 242712 243712 244712 Housing RH – TXT/HXT 241713 242713 243713...
  • Page 17 Parts for (H)TXT 1E through (H)TXT 4E Straight- and Tapered-Bushed Double-Reduction Reducers Ref. Description Qty. (H)TXT 1E (H)TXT 2E Qty. (H)TXT 3E (H)TXT 4E Tapered-Bore Bushing Assembly ② Bushing ③ 1” Bore 241278 1-1/16” Bore 1-1/8” Bore 241282 242146 1-3/16” Bore 241286 242148 1-1/4”...
  • Page 18 Parts for TXT 5E Through TXT 10E and HXT 5E Through HXT 7E Straight- and Tapered-Bushed Double-Reduction Reducers 32,33 32,33 80,81 80,81 86,88 32,33 32,33 54,55 54,55 44,45 56,57 56,57 46,47 32,33 38,39 38,39 32,33 46,47 44,45 TAPERED BORE STRAIGHT BORE HYDROIL INPUT 106,110...
  • Page 19 Parts for (H)TXT 5E thru TXT 10E Straight- and Tapered-Bushed Double-Reduction Reducers Ref. Description Qty. (H)TXT 5E (H)TXT 6E (H)TXT 7E TXT 8E TXT 9E TXT 10E Backstop Assembly 905102 246800 247690 907102 907102 272869 Housing LH – TXT 245671 246789 247670 248711...
  • Page 20 Parts for (H)TXT 5E thru TXT 10E Straight- and Tapered-Bushed Double-Reduction Reducers Ref. Description Qty. (H)TXT 5E (H)TXT 6E (H)TXT 7E TXT 8E TXT 9E TXT 10E Tapered-Bore Bushing Assembly ② 1-15/16” Bore 245086 2” Bore 245088 2-3/16” Bore 245090 246261 2-1/4”...
  • Page 21 Parts for TXT 12E Tapered-Bushed Double-Reduction Reducers 80,81 86,88 92,93 54,55 56,57 32,33 38,39 46,47 32,33 44,45 TAPERED BORE 106,110,112 OPTIONAL BACKSTOP ASSEMBLY TORQUE-ARM ROD ASSEMBLY MN16027...
  • Page 22 Parts for TXT 12E Tapered-Bushed Double-Reduction Reducers Ref. Description Quantity TXT 12E Backstop Assembly 272889 Housing Assembly 272881 RTV Sealant 465044 ① Air Vent Assembly 271040 ① Housing Bolt 032018072FR Housing Bolt - Adapter 032018080FR Lock-washer 034017020AF Plain Washer 034000020AJ Hex Nut 033102020AM Dowel Pin...
  • Page 23 Parts for TXT 12E Tapered-Bushed Double-Reduction Reducers Ref. Description Quantity TXT 12E Rod End 964278 RH Hex Nut 033102032AM Turnbuckle 964279 Rod Extension 964280 LH Hex Nut 965051 Fulcrum 272054 Fulcrum Screw 032018048JR Fulcrum Hex Nut 033102028AM Fulcrum Lock-washer 034017028AF Adapter Bracket 272049 Rod End Adapter Bushing...
  • Page 24 Dodge Industrial, Inc. *16027-0624* 1061 Holland Road Simpsonville, SC 29681 +1 864 297 4800 © DODGE INDUSTRIAL, INC. All Rights Reserved. Printed in USA. AN RBC BEARINGS COMPANY MN16027 REV-B 06/24...