7. Finally confirm that all tightening bolts have been tightening to torque MA. To do this,
moving clockwise across the bolts, tighten each one until none can be turned by a torque
wrench set at MA
■ Removal
1. Confirm that there is no torque or thrust loads on the hub or shaft. When the tightening
bolts are loosened, the POWER-LOCK may suddenly
release and allow the device to spin or come off. After
ensuring safety, slowly loosen and remove the
tightening bolts.
2. Remove hub and the POWER-LOCK from the shaft.
3. If the POWER-LOCK still locks even after loosening
bolts, tighten bolts into the tapped holes for removal.
(see Fig.4)
Important
1. Never use lubricants containing silicone or molybdenum disulfide.
2. When installing the tightening bolts, always use a torque wrench.
3. Do not use any bolts other than the bolts that were supplied with the POWER-LOCK. (The
bolts required for the POWER-LOCK are special bolts of a high tensile strength and only
those supplied with the POWER-LOCK should be used.)
4. Since the POWER-LOCK AS series are not of self-aligning unit, centering must be made
through the direct contact between hub and shaft.
■ Notice for the POWER-LOCK SS and SW series
1. The POWER-LOCK SS series (stainless series)
●
Color of tightening bolts is black (not steel color) because of a special coating.
●
Use the POWER-LOCK SS series at dry condition after wiping off dust / oil at the inside
of hub, shaft and the POWER-LOCK itself.
●
Do not put any oil or grease to avoid the torque down.
2. The POWER-LOCK SW series (water resistance series)
●
Tightening bolts of the POWER-LOCK SW series are stainless with black color for M12
and smaller, and special steel with gold color for M14 and larger.
■ Warranty:
Tsubaki Emerson Co.: hereinafter referred to as "Seller"
Customer: hereinafter referred to as "Buyer"
Goods sold or supplied by Seller to Buyer: hereinafter referred to as "Goods"
1. Warranty period without charge
Effective 18 months from the date of shipment or 12 months from the first use of Goods, including
installation of Goods to Buyer's equipment or machines - whichever comes first.
2. Warranty coverage
Should any damage or problems with the Goods arise within the warranty period, given that the
Goods were operated and maintained according to the instructions provided in the manual, Seller
will repair and replace at no charge once the Goods are returned to the Seller.
This warranty does not include the following:
1) Any costs related to removal of Goods from the Buyer's equipment or machine to repair or
replace parts.
2) Costs to transport Buyer's equipment or machines to the Buyer's repair shop.
3) Costs to reimburse any profit loss due to any repair or damage and consequential losses caused
by the Buyer.
3. Warranty with charge
Seller will charge a fee for any investigation and repair of Goods caused by:
1) Improper installation due to not properly following the procedures in the instruction manual.
2) Insufficient maintenance or improper operation by the Buyer.
3) Incorrect installation of Goods to other equipment or machines.
4) Any modifications or alterations of Goods by the Buyer.
5) Any repair by engineers other than the Seller or those designated by the Seller.
6) Operation in an inappropriate environment not specified in the manual.
7) Force Majeure or forces beyond the Seller's control such as natural disasters and injustices
committed by a third party.
8) Secondary damage or problems incurred by the Buyer's equipment or machines.
9) Defective parts supplied, or specified by the Buyer.
10) Incorrect wiring or parameter setting by the Buyer.
11) The end of life cycle of the Goods under normal usage.
12) Loss or damage not liable to the Seller.
4. Dispatch service
Service to dispatch a Seller's engineer to investigate, adjust or trial test Seller's Goods is at the
Buyer's expense.
5. Disclaimer
1) In our constant efforts to improve, Tsubaki Emerson may make changes to this document or the
product described herein without notice.
2) Considerable effort has been made to ensure that the contents of this document are free from
technical inaccuracies and errors. However, any such inaccuracies or errors reported will be
gladly examined and amended as necessary.
●
Read this instruction manual and other attached documents thoroughly before installing
and using the POWER-LOCK.
●
Use the POWER-LOCK only after having full knowledge of the equipment and all
applicable safety procedures.
●
Keep this instruction manual where the user can always refer to it.
Safety precautions in this manual are classified into two categories: "WARNING" and
"CAUTION". These are defined as follows:
Failure to follow the instructions under
CAUTION
may also result in death or serious
injury depending on the particular situation.
Thank you for your purchase of the AS series POWER-LOCK.
The POWER-LOCK is a frictional, keyless shaft-hub locking device for connecting hubs and
shafts subject to large torque variations.
Fitting is simply made by tightening bolts
after installing the POWER-LOCK between
the shaft and hub. Since torque is transmitted
by the contact pressure and friction between
the surfaces in contact with the hub and shaft,
the condition of the contact surfaces and
proper tightening of the bolts are of great
importance. Read first and then follow all of
the instructions carefully so as to ensure
satisfactory performance.
■ Installation
1. Clean the inner surface of the hub and surface of the shaft, and apply a slight amount of oil
to both surfaces. Never use lubricants containing silicone or molybdenum disulfide.
2. Remove the tightening bolts from the POWER-LOCK and clean and slightly oil or grease
them. Threads and seats of the tightening bolts must be sufficiently lubricated. (If the
POWER-LOCK is not sufficiently lubricated at all locations, excess friction will result and
prevent the specified torque from being obtained.)
3. Insert the POWER-LOCK into the hub and shaft and tighten the bolts by hand until a
slight positive contact is obtained and bring them to desired position. (Never strike the
POWER-LOCK with a hammer or other such tool during the mounting.)
4. Set a torque wrench to approximately 1/4 of the torque MA (refer to the table given
below for torque MA) and tighten each of the tightening bolts evenly in the sequence
shown in figure 3.
5. Raise the torque wrench setting to 1/2 of the torque MA and repeat the procedure given
in step 4 above.
6. Raise the torque wrench setting to the full torque MA and repeat the procedure given in
step 4 above.
Hex. socket
screw keys
Torque
wrench
Tapped holes for removal
CAUTION
WARNING
POWER-LOCK AS SERIES
INSTRUCTION MANUAL
NOTICE FOR SAFETY
１． Taper ring(A)
２． Taper ring(B)
３． Outer ring
４． Inner ring
５． Tightening bolts
Fig. 1: Configuration
Fig. 2
Fig. 3 Tightening sequence for bolts
Fig. 4 Removal
(Overall)
●
If the device is used on equipment for transporting people, install the appropriate protection
devices to the transportation equipment to provide the required safety.
●
If the device is used on elevation equipment, install the appropriate safety devices to the
elevation equipment to prevent the falling of materials. The falling of materials may cause
injury to personnel or damage to the equipment.
●
Comply with all applicable safety standards of the country where the device is used. When
revisions are published, those updated revisions shall apply.
(Delivery)
●
Verify that you received exactly what you ordered. Use of the incorrect item may cause injury
or equipment damage.
(Installation)
●
Always use a torque wrench when installing the tightening bolts and adhere to the procedure
and torque values listed in this instruction manual. If the bolts are tightened without the use of
a torque wrench, the correct torque may not be obtained causing slippage or deformation of
the POWER-LOCK and result in an accident.
●
Never use oils containing silicone or molybdenum disulfide lubricants when lubricating the
connecting surfaces (e.g. shaft or hub inner surface) for the POWER-LOCK.
●
Only use the bolts that came with the POWER-LOCK. If bolts are missing or damaged, contact
our sales office or our dealers from whom you purchased for replacement. Use of other bolts
may result in breakage of the bolt and cause an accident.
●
Never strike the POWER-LOCK with a hammer or other such tool when mounting the
POWER-LOCK to the shaft and hub. Doing so may deform the POWER-LOCK and cause an
accident.
(Removal)
●
Always confirm that there are no torque or thrust loads on the hub or shaft before removing
the POWER-LOCK. If torque or thrust loads are present, the POWER-LOCK may suddenly
release and allow the device to spin or come off when the tightening bolts are loosened.
●
Especially for elevator applications, never loosen the tightening bolts while a load is being held.
Doing so may cause the load to drop.
(Repeated use)
●
Completely inspect each part of the POWER-LOCK prior to reusing. If any damage is found,
replace the unit.
Death or serious injury may result from misusing the product
without following the instructions.
Minor or moderate injury, as well as damage to the product may
result from misusing the product without following the instructions.
CAUTION
WARNING
１９〜４０
４２〜６５
７０〜９５
１００〜１６０
１７０〜２００
２２０〜２６０
２８０〜３００
Ｍ ６
Ｍ ８
Ｍ１０
Ｍ１２
Ｍ１４
Ｍ１６
Ｍ１８
18.3 {13.5}
40.2 {29.7}
81.3 {60.1}
142 {105}
225 {167}
348 {257}
475 {351}
13.7 {10.1}
33.3 {24.6}
67.6 {50.5}
118 { 87}
186 {138}
289 {214}
397 {290}
mm
3/4−1 1/2
1 5/8−2 9/16
2 5/8−3 3/4
3 15/16−6
6 1/2−8
8 1/2−10 1/2
11−11 13/16
Inch
Tightening
bolt size
Tightening torque MA
for standard series
N・m {ft・lbs.}
N・m {ft・lbs.}
Tightening torque MA
for SS and SW series
Table 1 : Tightening bolt size and torque MA (SS: stainless series, SW: water resistance series)
POWER-LOCK shaft dia.
Group Companies :
U.S. TSUBAKI, INC.
Illinois, U.S.A.
TSUBAKI of CANADA LTD.
Ontario, Canada
TSUBAKI AUSTRALIA PTY. LTD.
Silverwater, Australia
TSUBAKIMOTO SINGAPORE PTE.LTD.
Jurong, Singapore
TAIWAN TSUBAKIMOTO CO.
Taoyuan-Hsien, Taiwan
KOREA CONVEYOR IND.CO.,LTD.
Seoul, Korea
TSUBAKIMOTO EUROPE B.V.
Dordrecht, The Netherlands
TSUBAKIMOTO U.K. LTD.
Nottingham, United Kingdom
TSUBAKI EMERSON MACHINERY
(SHANGHAI) CO.,LTD.
Shanghai, China
1-1, Kohtari-Kuresumi, Nagaokakyo
Kyoto 617- 0833, Japan
Phone : +81-75-957-3131
Facsimile : +81-75-957-3122
Internet : http://www.tsubaki-emerson.co.jp/english/
