Servomechanism repair kit 125.20.057-1is designed for restoration and maintenance of the pneumatic clutch booster installed on KhTZ tractors (T-150, T-150K, T-17221, etc.). The kit includes the main elements that are subject to wear during operation:
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spring 125.20.144-2,
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spring 125.20.145-1,
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valve 150.21.041,
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cuff 1-025-1,
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gasket 125.20.146-1,
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washer 125.57.189.
All parts are selected to original tolerances and are fully compatible with the servo mechanism 125.20.057‑1. The repair kit allows you to perform a major overhaul of the device without the need to completely replace the unit. Replacing worn components restores tightness, correct operation of the valve mechanism and smooth movement of the plunger. Regular use of the repair kit allows you to extend the service life of the pneumatic drive clutch and reduce maintenance costs.