| 摘要 |
PROBLEM TO BE SOLVED: To provide a jig which facilitates exchange of a rotary body sealing material for a main body revolving device of construction equipment. SOLUTION: The jig 10 includes a jig frame 11, and a fixing device 12 which fixes the jig frame 11 to a rotary ring. The jig frame 11 has a guide portion 20 for guiding the sealing material 8, and a sealing material delivery portion 21 formed at the tip of the guide portion 20. The sealing material 8 is inserted into the guide portion 20 and a front end of the sealing material 8 is delivered from the sealing material delivery portion 21, followed by fixing the same to a groove 2a on the periphery of a fixed wheel 2. Then, the jig frame 11 is fixed to a rotary wheel 4 by the fixing device 12, and the sealing material 8 is fitted into the groove 2a while the rotary wheel 4 is rotated.
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