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Brakes Published 27 Feb 2018 Ref JP-1225935

John Deere: Other (Power Transmission)

Translated from Japanese · machine translation

Safety-critical recall — brakes. If your vehicle is affected, contact your dealer before driving.
Country
Japan
Published
27 Feb 2018
Units affected
21
Reference
JP-1225935

Affected vehicles

ジョンディア JD-7230R 2014–2016 ジョンディア JD-7290R 2014–2016

Hazard

In agricultural tractor hydrostatic continuously variable transmissions (HST), the emergency brake hydraulic line routing is inappropriate. Engine vibration and other factors cause the line to oscillate, subjecting it to excessive stress and potentially causing cracks. Continued operation may allow cracks to propagate, resulting in hydraulic fluid leakage. In the worst case, warning lights illuminate, fail-safe control activates, and the vehicle becomes immobilized.
Show original (日本語)
⑤農耕トラクタの静油圧式無段変速機(HST)において、非常ブレーキの油圧配管の形状が不適切なため、エンジン振動等により配管が振れ、過大な応力を受けて亀裂が生じることがある。そのため、そのままの状態で使用を続けると、亀裂が進行して作動油が漏れ、最悪の場合、警告等が点灯し、フェールセーフ制御となり、走行不能となるおそれがある。

Remedy

All vehicles: Replace the hydraulic line with a corrected component.
Show original (日本語)
⑤全車両、油圧配管を対策品に交換する。

Official source

View the official recall notice