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Sure- Flex Couplings Installation Instructions
Asphalt Metering Pump

TM-5-3895-374-24-2 M081 Asphalt Mixing Plant Manual
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TM 5-3895-374-24-2 Sure-Flex Installation Instructions (continued) Different coupling sleeves require different degrees of alignment precision.  Locate the alignment values for your sleeve size and type in Table 2 below. 5 Check parallel alignment by placing a straightedge across the two coupling flanges and measuring the maximum offset at various points around the periphery of the coupling without rotating the coupling.  If the maximum offset exceeds the figure shown under "Parallel" in Table 2, realign the shafts. 6 Check  angular  alignment  with  a  micrometer  or  caliper.    Measure  from  the outside of one flange to the outside of the other at intervals around the periphery of the  coupling.    Determine  the  maximum  and  minimum  dimensions  without  rotating the coupling.  The difference between the maximum and minimum must not exceed the figure given under "Angular" in Table 2.  If a correction is necessary, be sure to recheck the parallel alignment. TABLE 2 - MAXIMUM RPM AND ALLOWABLE MISALIGNMENT (Dimensions in inches) Sleeve Maximum Types JE, JN, JES, JNS, E & N *Types H & HS Size RPM Parallel Angular G1 Parallel Angular G1 3 9200 .010 .035 1.188 **** **** **** 4 7600 .010 .043 1.500 **** **** **** 5 7600 .015 .056 1.938 **** **** **** 6 6000 .015 .070 2375(1) .010 .016 2.375 7 5250 .020 .081 2.563 .012 .020 2.563 8 4500 .020 .094 2.938 .015 .025 2.938 9 3750 .025 .109 3.500 .017 .028 3.500 10 3600 .025 .128 4.063 .020 .032 4.063 11 3600 .032 .151 4.875 .022 .037 4.875 12 2800 .032 .175 5.688 .025 .042 5.688 13 2400 .040 .195 6.625 .030 .050 6.625 14 2200 .045 .242 7.750 .035 .060 7.750 16 1500 .062 .330 10.250 **** **** **** Note: Values shown above apply if the actual torque transmitted is more than 1/4 the coupling rating.  For lesser torque, reduce the above values by 1/2. * Type H and HS sleeves should not be used as direct replacements for EPDM or Neoprene sleeves. (1) Value when using 6J flanges is 2.125. 7 If the coupling employs the two-piece sleeve with the wire ring, force the ring into its groove in the center of the sleeve.  It may be necessary to pry the ring into position with a blunt screwdriver. 8 Install coupling guards per OSHA requirements. CAUTION Coupling  sleeves  may  be  thrown  from  the  coupling  assembly  with  substantial  force  when  the coupling is subjected to a severe shock load or abuse. T.  B.  WOOD'S SONS COMPANY • Chambersburg, PA 17201 T.  B.  WOOD'S CANADA LTD. • Stratford, Ontario NSA 6V6 FORM 741E 5-92 Printed in U.S.A. Page 3 - 1196







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