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 | 1. Be convinced that the engine is started only by pressing a coupling pedal to the full (previously check pedal adjustment, see subsection 2.23.). |  
 | 2. Disconnect the socket of the switch and check short circuit of contacts of the switch by pressing its rod. At a rod otpuskaniye contacts should be opened. |  
 | 3. If it is necessary to replace the switch, unscrew a lock-nut and turn out the switch. |  
 |  | 4. At installation of the switch adjust it for what press a pedal of coupling and, rotating the switch, expose distance of 5,0 (± 0,5) mm. |  |