INSTRUCTION MANUAL FOR
TAPER-LOCK® H.E. and Q-D Conveyer Pulley Bushings
TAPER-LOCK® REMOVAL:
The products described in this instruction manual are 1. Remove all screws. Oil threads and points of set
manufactured by Reliance Industrial Company. screws or threads and under heads of cap screws.
2. Insert screws into holes that are threaded on the
bushing side (shown as z on diagram). In sizes where
washers are found under the screw heads, be sure to
use the washers. Note that one screw in each hub is
left over and is not used in the loosening operation.
3. Tighten screws alternately until bushings are loosened
in hubs. If bushing does not loosen, tap on face of hub.
WARNING
H.E and Q-D
To ensure that drive is not unexpectedly started, turn
INSTALLATION:
off and lock out or tag power source before
proceeding. Failure to observe these precautions 1. Determine bushing size from identification on face of
could result in bodily injury. bushing.
2. Clean shaft, bore and outside of bushings, and bore of
hubs (taking bushings from hubs if already
INSTALLATION:
assembled). Remove any oil, grease and dirt.
1. Determine bushing size from identification on face of 3. Slip shaft into pulley and slip bushings onto shaft and
bushing. into hubs. If required, carefully insert a wedge into
2. Clean shaft, bore and outside of bushings, and bore of bushing split and tap lightly to allow bushing to slide
hubs (taking bushings from hubs if already on shaft. Align unthreaded holes in bushing with
assembled). Remove any oil, grease and dirt. threaded holes in hub. Oil threads and under heads of
3. Slip shaft into pulley and slip bushings onto shaft and cap screws. Place screws loosely in holes that are not
into hubs. Oil threads and points of set screws or threaded.
threads and under heads of cap screws. Place screws 4. Locate shaft in desired position, remove wedges if
loosely in holes that are threaded on hub side (shown used and tighten screws in each bushing slightly to
as ∀ on diagram above). seat bushings in hubs.
4. Locate shaft in desired position and tighten screws in 5. Tighten screws alternately and evenly in one bushing
each bushing slightly to seat bushings in hubs. only until all screws are pulled up to the proper wrench
5. Tighten screws alternately and evenly in one bushing torque listed on the back of this manual. Do not over-
only until all screws are pulled up to the proper wrench torque. If a keyseated bushing is used without a key,
torque listed on the back of this manual. Do not over- fill the keyseat with grease.
torque. Now, using hammer recommended in table, 6. Check to ensure the bushing flange does not contact
hammer against large end of bushing. Hammer first the hub.
beside the screw farthest from the bushing split and 7. Now tighten the second bushing per step 5.
then hammer on the bushing on the opposite side of
REMOVAL:
the screw. Avoid hammering close to the O.D. of the
bushing to prevent damage. Working toward the split, 1. Remove all screws. Oil threads and points of cap
hammer on the bushing on each side of each screw. screws.
Then hammer on each side of the bushing split. Make 2. Insert screws into threaded holes on the bushing
sure that the surfaces on both sides of the split are flange.
even. Screws can now be tightened a little more using 3. Tighten screws alternately until bushings are loosened
the specified torque. Repeat this alternating in hubs. If bushing does not loosen, carefully insert a
hammering and retightening until the specified wrench wedge into bushing split and tap lightly to allow
torque no longer turns the screws after hammering. bushing to slide on shaft.
Check to make sure that the surfaces on both sides of
the split are even. Fill all other holes with grease to *QD is a registered trademark of Emerson Electric Co.
exclude dirt. If a keyseated bushing is used without a
key, fill the key seat with grease.
6. Now tighten the second bushing per step 5.
Recommendeed Wrench Torque 3. Do not skew the pulley in an attempt to track the
Bushing Screws Torque Hammer Size conveyor belt.
Type Qty Size Ft./Lbs. (TL Only) 4. Do not retorque bolts. No modifications, repairs, or
TL 1210, 1215, 1310, other work should be performed on the conveyor
3
1610 & 1615 2 /8–16 NC 15 6 Lb.
2012 2 7
/16–14 NC 23 6 Lb. pulley assembly without prior written consent of Baldor
2517 & 2525 2 1
/2–13 NC 36 6 Lb. Electric Company.
5
3020 & 3020 2 /8–11 NC 67 6 Lb.
3535 3 1
/2–13 NC 83 12 Lb. LONG-TERM STORAGE INSTRUCTIONS
5
4040 3 /8–11 NC 142 12 Lb.
3
4545 3 /4–10
7
NC 204 12 Lb. PULLEYS
5050 3 /8–9 NC 258 12 Lb.
6050 3 11/4–7 NC 650 20 Lb. 1. Block the pulley to keep the face from touching the
7060 & 8065 4 11/4–7 NC 650 20 Lb.
ground.
10085 4 11/2–6 NC 1140 20 Lb.
120100 6 11/2–6 NC 1140 20 Lb. 2. Inside storage is recommended. If stored outside
HE HE20 3 3
/8–16NC 30 protect the pulley from the elements (i.e., sunlight,
HE25 4 3
/8–16NC 30 rain, snow).
1
HE30 4 /2–13NC 60 3. Before installation clean the assembly.
9
HE35 4 /16–12NC 90
5
HE40 4 /8–11NC 140 SHAFTING
5
HE45 6 /8–11NC 140 N/A
3
HE50 6 /4–10NC 200 1. A protective coating has been applied at the factory to
7
HE60 6 /8–9
NC 350
HE70 6 1–8 × 4 NC 500 all exposed surfaces. For long-term storage additional
HE80 6 1
1 /8–7 NC 500 coatings of rust preventative are recommended.
HE100 6 11/4–7 NC 600 2. Remove protective coatings before assembly of
HE120 8 11/4–7 NC 600
3
bearings or other components.
QD SF 3 /8–16NC 30
1
E 3 /2 –13NC 60 LAGGED PULLEYS
9
F 3 /16–12 NC 75
5
JS or J 3 /8–11NC 135 1. Inside storage is recommended. Store in a cool, dark
3
MS or M 4 /4–10NC 225 N/A
NS or N 4 7
/8–9
NC 300 area where the pulley will not be exposed to direct
PS or P 4 1–8 NC 450 Sunlight or extreme temperature or humidity
WS or W 4 11/8–7 NC 600 variations. Areas of high ozone concentration, such as
1
SS or S 5 1 /4–7 NC 750
areas with electric motors or other electrical arc
ZS or Z 5 11/8–7 NC 600
producing machinery, should not be used for storage.
2. Do not allow oil, grease, kerosene, solvents, or other
chemicals to contact the lagging.
GENERAL OPERATION INSTRUCTIONS 3. After long-term storage, some oxidation may occur on
1. Do not allow material to be trapped between the belt lagging surface. Reduce lagging thickness by 1/32” by
and the pulley face. Do not allow material to build up grinding to remove the oxidation.
on the pulley face. PILLOW BLOCKS
2. Do not allow the edge of the conveyor belt to wander
past the edge of the rim. 1. Refer to manufacturer's recommendations.
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.
www.baldor.com www.ptplace.com www.dodge-pt.com www.reliance.com
Baldor Electric Company Headquarters
P.O. Box 2400, Fort Smith, AR 72902-2400 U.S.A., Ph: (1) 479.648.5792, Fax (1) 479.648.5792, International Fax (1) 479.648.5895
DODGE/Reliance Division
6040 Ponders Court, Greenville, SC 29615-4617 U.S.A., Ph: (1) 864.297.4800, FAX: (1) 864.281.2433
IM499657 04/07-20M-K Copyright © 2007 Baldor Electric Company All Rights Reserved. Printed in USA.
This material is not intended to provide operational instructions. Appropriate instruction
manuals and precautions should be studied prior to installation, operation or maintenance of
equipment.
