The recommendations in this manual for installation, operation and maintenance must be followed to
ensure safe use. All persons responsible for the installation and use of Joyce/Dayton Integrated
Actuators must be familiar with the contents of this manual.
Customer is responsible for guards and other protective devices and ensuring that Integrated Actuator
usage conforms with local and national operating and safety codes appropriate to the class of
equipment into which the Integrated Actuator is installed.
This manual provides installation, operation and maintenance instruction for the standard
Joyce/Dayton Ball Screw Integrated Actuator. Although this manual covers the standard Ball
Screw Integrated Actuators, some may vary significantly from this manual. For special units not
covered please contact Joyce/Dayton Corp. for assistance.
1-3 Receipt of Product
All equipment should be immediately inspected upon receipt for any damage and to verify correct
product and quantities. Any problems should be reported to Joyce/Dayton Corp. and the freight
carrier as soon as possible. Products returned without a Return Goods Authorization (RGA) will
not be accepted.
1-4 Warranty
Seller warrants its products to be free from defects in material and workmanship under normal
and proper use in accordance with instruction of seller for a period of one year from the date of
shipment to buyer. Seller's liability under such warranty or in connection with any other claim
relating to the products shall be limited to the repair, or at seller’s option, the replacement or
refund of the purchase price, of any products or parts or components thereof which are returned
to seller freight prepaid and which are defective in material or workmanship. Products or parts or
components thereof, which are repaired or replaced by seller, will be returned to buyer freight
collect. This warranty is not intended to cover consumer products, as defined in the MagnusonMoss Warranty-Federal Trade Commission Improvement Act, 15 U. S. C. Sections 2301-12,
which are purchased for purposes other than resale. If buyer is not intending to resell the
products, and if the products are consumer products as defined in the Magnuson-Moss Act, the
foregoing warranty, but not the limitation of seller's liability, shall be null and void. EXCEPT AS
EXPRESSLY STATED ABOVE, SELLER MAKES NO WARRANTY, EXPRESS OR IMPLIED,
WHETHER OF MERCHANTABILITY OR FITNESS FOR ANY PARTICULAR PURPOSE OR
USE OR OTHERWISE, ON THE PRODUCTS, OR ON ANY PARTS OR LABOR FURNISHED
DURING THE SALE, DELIVERY OR SERVICING OF THE PRODUCTS.
1-5 Precautions of Use and Installation
1. Mechanical stops provided on the Integrated Actuators (BIA/HBIA) are not to be used as endof-travel stops. The customer is responsible for setting travel limits.
2. Travel can be limited using optional limit switches. These limit switches need to be set by the
customer. In most applications, factory or manufacturer-assisted installation is not required.
However, it is necessary that appropriate, qualified personnel perform the installation of
Joyce/Dayton products.
3. Joyce/Dayton Ball Screw Integrated Actuators are not rated for shock-loading or extreme
vibration. It is the responsibility of the user to ensure these conditions are not imposed on the
actuator.
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4. In the event that service or maintenance is required, the load must be secured or removed
before any work can begin.
5. The Integrated Actuators can be mounted and operated in any orientation. Standard Ball
Screw Integrated Actuators have vents in the protection tube (outer tube). Additional
holes will be plugged. Properly plug or vent holes to prevent dirt or moisture form
contaminating the actuator.
6. Never allow the Ball Screw Integrated Actuator to retract beyond the minimum closed position
or extend beyond the maximum open position, as damage to the unit can occur. Refer to
Section 3-5 for travel limit information.
7. External temperature may exceed 230 Degrees F. near maximum duty cycle. Use caution to
prevent personal injury.
8. Do not use in applications where Integrated Actuator can be jammed against an immovable object.
9. A brake motor is required on all Ball Screw Integrated Actuators.
1-6 General Installation instructions
1. Ensure that all personnel who will service or operate equipment are familiar with its use and
limitations.
2. Secure or remove the load before any installation procedures begin.
3. Be certain the rating of the actuator meets or exceeds the load.
4. The Ball Screw Integrated Actuator must be mounted on a rigid structure sufficient to support
the maximum possible load. An under-designed structure could lead to premature wear or
failure.
5. Drive shaft alignment is critical. Misalignment will cause reversing stresses in rotating
members and will lead to fatigue failure. Correct coupling specification is critical for systems
with more than one Integrated Actuator.
6. For systems with more than one Integrated Actuator, confirm that the Integrated Actuators and
shafts operate without binding or excessive force before power is applied.
7. When fastening the load to an Integrated Actuator, make sure the actuator is in the retracted
position. This positions the load accurately with respect to the lifting screw centerline. Never
pull the translating tube to one side to make connection with your structure. Fully extend the
Integrated Actuator to make sure the load is aligned with the translating tube.
8. All Ball Screw Integrated Actuators are to be mounted with S.A. E. Grade 5 bolts or equivalent.
9. Torque the mounting bolts in a systematic pattern to avoid damage to the actuator.
10. Optional limit switches, which may be furnished with the Integrated Actuator, are NOT pre-set.
They require field adjustment before use
Section II
Maintenance
2-1 Lubrication
1. Integrated Actuators are lubricated before leaving the factory.
2. Do not operate Integrated Actuators without lubrication.
3. The lifting screw and translating tube are lubricated with Mobilgrease XHP 221 grease, or
equivalent.
4. The housing is lubricated with Mobilgrease XHP 461.
5. Traveling Nut (TN) model ball screws should be lubricated with a spindle or 10-weight oil.
6. The products listed are recommended by the lubricant manufacturers to meet the
requirements for normal operation. The listing of brand names is solely for the convenience of
users of Joyce/Dayton equipment and their lubricant suppliers; it does not constitute any
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endorsement. Joyce/Dayton assumes no responsibilities for the quality, performance or
availability of any listed products
Repair parts may be obtained by calling Joyce/Dayton Customer Service at (800) 523-5204, (937)
294-6261, (937) 297-7173 (facsimile) or your local sales representative. When ordering repair
parts, please supply the serial number (both are located on the Integrated Actuator nameplate).
The following parts are recommended for rebuild or spares. See Exploded Views in Sections 3-1
and 3-2 and Parts List in Section 3-3.
A. (2) Thrust Bearing
B. (1) Worm Gear Nut
C. (1) Protection Tube Assembly (1) Worm - 6
D. (1) Ball Screw
E. (1) Ball Nut Assembly/ Ball Nut
F. (1) Translating Tube Assembly
G. Small parts repair kit for BIA/HBIA Traveling nut actuator TN
H. Small parts repair kit for BIA/HBIA Translating tube actuator TT
2-3 Disassembly of Translating Tube Actuator (TT)
1. Use the appropriate disassembly procedure. If the ball nut is outside the actuator on the screw,
it is a Traveling Nut Integrated Actuator (TN), this is also called a “rotating screw” actuator. If
the ball nut is not positioned outside the actuator sleeve, it is a Translating Tube Integrated
Actuator (TT).
2. Handle all machined parts with care and maintain an “order of disassembly” to aid in reassembly.
3. Disconnect power from the Ball Screw Integrated Actuator before proceeding.
4. First remove the plug then remove the key (25) and coupling half (24) from the worm shaft.
5. Remove the seal (9) and retaining ring (8). The seal will generally be destroyed in the removal
process.
6. Tap on the motor end of the worm shaft (6). This will loosen and unseat the worm shaft
bearing (7) and permit disassembly. Rotate the worm clockwise to remove it.
7. Loosen the two set screws (5) and unthread the protection tube assembly (4). Slide the
protection tube assembly (4) from the translating tube assembly (13, 26, 28, 29, and 30).
8. Disassemble the translating tube assembly from the sleeve (1) by firmly pulling upward, away
from the sleeve.
9. The nut, key, and retaining ring (3, 14, and 10) will be attached to the end of the assembly.
10. Remove the retaining ring (10) from the end of the ball screw (11).
11. Disassemble the nut and key (3, 14) from the ball screw.
12. The ball screw (11), travelling nut (12), translating tube (13), retainer (17), screw (18), and lock
washer (19) are considered an assembly. If any of these parts are worn and/or damaged, you
must replace them all. It is not possible to disassemble them without damaging them.
13. The lower thrust bearing (2) can now be pulled out of the sleeve.
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