Automobiles use parts with metric threads in accordance with ISO standards.
Nuts, bolts and screws with damaged threads must be replaced with new ones. Running a damaged thread with a die or tap leads to a weakening of the thread and to an increase in the gap in the thread. It is not recommended to run the thread.
If a bolt is being replaced, it is necessary to ensure that the new bolt has a strength at least equal to that of the one being replaced.
Nuts with cotter pin slots should not be loosened to align the cotter pin holes unless specified in the adjustment instructions.
Do not allow oil or grease to enter blind threaded holes.
When tightening a bolt with a small thread gap, oil that gets inside the hole is compressed and can lead to destruction of the housing.
Always tighten the bolt or nut to the recommended torque. Damaged or rusted threads will affect the thread tightening torque.
To check the tightening torque of a bolt, loosen it a quarter of a turn and then retighten it to the specified value.
(The material was taken from the specified website: www.LRman.ru)
Before tightening the part, lubricate the threads with a small amount of oil. The exceptions are threaded parts lubricated with sealant and self-locking nuts.
Parts with cylindrical threads (Freelander 1)
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Article review: Konstantin Nazarov
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