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| Loosen and tighten bolts and nuts for covers and housings diagonally. |
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| Delicate parts in particular must not be canted. Loosen and tighten in stages in a diagonal sequence. |
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| Torque settings are specified for unoiled bolts and nuts. |
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| Always renew self-locking bolts and nuts. |
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| For all threaded connections, ensure that contact surfaces as well as nuts and bolts are rewaxed only after assembly, if necessary. |
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