SPRING INSPECTION

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Oil Seal Spring

1. Assemble the oil seal springs into the rotor.

2. Assemble the O-rings into the oil seals.

3. Assemble the oil seals into the rotor.

4. Measure the oil seal projection using a vernier caliper.

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• If it is less than the minimum specification, replace the oil seal spring.

Minimum projection

0.5 mm {0.02 in}

Cut-off Seal Spring

1. Assemble the cut-off seal spring into the rotor.

2. Referring to the cut-off seal inspection procedure, verify that the height of the cut-off seal is at the minimum specification or more. (See CUT-OFF SEAL INSPECTION.)

3. Measure the cut-off seal projection using a vernier caliper.

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• If it is less than the minimum specification, replace the cut-off seal spring.

Minimum projection

0.5 mm {0.02 in}

Side Seal Spring

1. Assemble the side seal spring into the rotor.

2. Assemble the side seal into the rotor.

3. Measure the side seal projection using a vernier caliper.

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• If it is less than the minimum specification, replace the side seal spring.

Minimum projection

0.5 mm {0.02 in}

Corner Seal Spring

1. Assemble the corner seal spring into the rotor.

2. Assemble the corner seal into the rotor.

3. Measure the corner seal projection using a vernier caliper.

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• If it is less than the minimum specification, replace the corner seal spring.

Minimum projection

0.5 mm {0.02 in}

Apex Seal Spring

Note

• Inspect the long apex seal spring.

1. Measure the height of the apex seal spring using a vernier caliper with the spring placed on a surface plate.

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• If it is less than the minimum specification, replace the apex seal spring.

Standard height

5.4 mm {0.213 in}

Minimum height

3.5 mm {0.148 in}