| 1. To check a pendulum to existence of damages, a garland of pendulum – in the existence of use and damages. |
| 2. If the garland strongly was worn away or in her be an absent tooth, the garland must be substituted. The old garland can be withdrawn, when passed done in the drink between two teeths, and soon lower a chisel. |
| 3. The installation of a new garland of gear in a pendulum demands the heating of one garland to 204 °C. there is executed by the uniform heating of a pendulum a hand blowpipe until the heated surfaces do not acquire a shadow clear-yellow. |
Prevention
 Not to overheat a garland, otherwise his force properties are going to be lost.
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| 4. The garland has a tendentious interior of teeths what has to be turned to an author. When is the garland heated somewhat, to establish it quickly at the place, if necessary it will explore and cool in the natural way. |
