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住友 A60A5, Sc-A60A5. Published by MLIT as 1120260 on 18 December 2007. Part: 駆動力伝達部.

What the notice says 後車輪内の走行モータ減速機において、駆動軸のロータリシールの耐熱性が不足しているため、高速で連続走行を行い減速機内部が高温となった場合、シール性能が低下することがある。そのため、そのままの状態で使用を続けると、高速走行時にクラッチ作動油が減速機内に流入し、減速機内部の圧力が上昇して、低速及び高速の両クラッチが接続状態になり、走行中に後車輪がロックするおそれがある。

Is your vehicle included? Check with your VIN at MLIT, or ask a dealer. This page is an independent copy of the notice, kept so you can see what changed after it was published. It is not the authority, and the authority’s own text is the one to act on.

Notification number
1120260
Notified
18 December 2007
Make
Sumitomo(住友)
Sold as
住友 アスファルトフィニッシャー
Model codes
A60A5, SC-A60A5
Part at fault
駆動力伝達部
Vehicles covered
386
Filed as
Recall
Register
Japan — Ministry of Land, Infrastructure, Transport and Tourism

What the ministry says is wrong

後車輪内の走行モータ減速機において、駆動軸のロータリシールの耐熱性が不足しているため、高速で連続走行を行い減速機内部が高温となった場合、シール性能が低下することがある。そのため、そのままの状態で使用を続けると、高速走行時にクラッチ作動油が減速機内に流入し、減速機内部の圧力が上昇して、低速及び高速の両クラッチが接続状態になり、走行中に後車輪がロックするおそれがある。

What is to be done about it

①全車両、走行モータの制御プログラムを変更し、最高走行速度をシール性能を損なわない速度まで低減する。 ②全車両、走行モータ減速機内シール類を耐熱性の高い対策品に交換する。 尚、②については対策品の準備に時間を要するため、暫定対策として、許容連続走行時間の徹底を文書にて配付、依頼する。

The two passages above are quoted in Japanese because that is the language the ministry published them in. This site keeps the wording a register had when it was read, and does not translate a safety notice.

Source: Ministry of Land, Infrastructure, Transport and Tourism website (出典:国土交通省ウェブサイト), used under the Public Data License 1.0. This site gathered the record, grouped it by notification number and set it in English around the ministry's own words; the notice itself is unaltered. CarsMultiverse is not the ministry and not a safety authority. To act on this notice, use the ministry's own document.

The Japanese register on this site

住友 elsewhere in this register

住友 is named on 40 notices in the copy of MLIT’s register held here, of which these are the nearest to this one in time.

The same part: 駆動力伝達部

136 notices in this register name 駆動力伝達部. A defect that keeps returning under one heading is worth reading as a group rather than one notice at a time.

Reading this against the source

This page is what MLIT published in the recall notices it publishes, kept as it was read. The authority publishes only its current wording; if a notice is rewritten, the earlier version disappears there and is kept here. The whole register is at /japan, and how the reading is done is set out in the method.

This register keeps an index of its own for every maker and every year it holds: Japanese recalls on a Sumitomo: 40 in the register, and 371 Japanese vehicle recall notifications filed in 2007.

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MLIT 1120260, 住友 A60A5 and 1 more, every version kept at CarsMultiverse

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