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| Immobilize injection pump toothed wheel with tool -U-20003-. |
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| Loosen the toothed belt, to do this loosen the fixing bolt on the tensioning roller, and with the help of tool -U-30009A- turn it to the left. |
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| Remove the idler roller and partially withdraw the toothed belt. |
Note! Mark the turn direction of the toothed belt if it is to be re-used. |
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| Loosen the tensioning roller of the toothed wheel of the injection pump, using the -T20018A- tool. |
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