id051700664900
Preparation Before Servicing
1.Print out the measurement/adjustment value input sheet. (See MEASUREMENT/ADJUSTMENT VALUE INPUT SHEET.)
R-3-5 Brake Clearance Measurement
1.Assemble the drive plates and driven plates.
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2.Assemble the retaining plate.
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3.Assemble the snap ring.
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4.Set the end cover with the assembled part on the workbench as shown in the figure.
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5.Install the SSTs.
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6.Set the measuring instrument to the end cover using the following procedure.
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1
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SST (for securing magnetic stand)
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2
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Bolt (M8)
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3
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Nut (M8)
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7.Measure the R-3-5 brake clearance using the following procedure:
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8.Remove the dial gauge and magnetic stand.
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9.Remove the SST for securing the magnetic stand using the procedure shown in the figure.
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1
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Nut (M8)
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2
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Bolt (M8)
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3
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SST (for securing magnetic stand)
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10.Remove the SSTs.
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11.Take the end cover off the rubber plates.
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12.Remove the snap ring.
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13.Remove the retaining plate.
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14.Remove the drive plates and driven plates.
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R-3-5 Brake Clearance Adjustment
1.Remove the dial gauge and magnetic stand.
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2.Remove the SSTs.
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3.Remove the snap ring.
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4.Measure the thickness of the removed snap ring.
5.Input the measured snap ring thickness into the measurement/adjustment value input sheet.
6.Perform the following calculation to calculate the R-3-5 brake clearance gap.
7.Input the calculated R-3-5 brake clearance gap into the measurement/adjustment value input sheet.
8.Perform the following calculation to calculate the optimum snap ring thickness.
9.Input the calculated optimum snap ring thickness into the measurement/adjustment value input sheet.
10.From the following table, select a snap ring of a thickness closest to the calculated optimum snap ring thickness.
| Snap ring thickness |
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2.5 mm {0.098 in}
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2.4 mm {0.094 in}
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2.3 mm {0.091 in}
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2.2 mm {0.087 in}
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2.1 mm {0.083 in}
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2.0 mm {0.079 in}
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1.9 mm {0.075 in}
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1.8 mm {0.071 in}
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11.Assemble the selected snap ring.
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12.Install the SSTs.
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13.Perform the R-3-5 brake clearance measurement from Step 6 (2). (See R-3-5 Brake Clearance Measurement.)