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經(jīng)常有一些車主在行駛中發(fā)現(xiàn)攪拌一體車機(jī)器轉(zhuǎn)向不穩(wěn)，如果轉(zhuǎn)向不穩(wěn)，應(yīng)該檢查液壓泵和轉(zhuǎn)向器，找出以下原因：

Some owners often find that the steering of the mixer truck is unstable during driving. If the steering is unstable, check the hydraulic pump and steering gear to find out the following reasons:

1、轉(zhuǎn)向橫拉桿球銷、橫拉桿球銷磨損松動(dòng)。由于斯太爾系列轎車的橫拉桿球銷和橫拉桿球銷沒(méi)有潤(rùn)滑油嘴，出廠前已完全潤(rùn)滑。風(fēng)吹日曬雨淋，導(dǎo)致油脂減少、干燥、變質(zhì)，導(dǎo)致潤(rùn)滑性能差，導(dǎo)致球銷松動(dòng)。目前，這種失效現(xiàn)象很多，由于材料和工藝問(wèn)題，質(zhì)量不穩(wěn)定，磨損速度快。

1. The steering tie rod ball pin and tie rod ball pin are worn and loose. Since the tie rod ball pin and tie rod ball pin of Steyr series cars do not have lubricating nipples, they have been fully lubricated before leaving the factory. Wind, sun and rain have reduced, dried and deteriorated grease, resulting in poor lubrication performance and loose ball pins. At present, there are many such failures. Due to material and process problems, the quality is unstable and the wear speed is fast.

2、轉(zhuǎn)向節(jié)主銷和襯套的嚴(yán)重磨損和松動(dòng)也是導(dǎo)致轉(zhuǎn)向不穩(wěn)的原因。由于平時(shí)潤(rùn)滑不足，主銷和襯套磨損大，轉(zhuǎn)向不穩(wěn)是由于松動(dòng)引起的。潤(rùn)滑不足也會(huì)損壞主銷軸承。在正常的保養(yǎng)中，注意注入更多的潤(rùn)滑脂，大部分油槍比較好。

2. The serious wear and looseness of steering knuckle kingpin and bushing are also the causes of unstable steering. Due to insufficient lubrication at ordinary times, the kingpin and bushing are greatly worn, and the unstable steering is caused by looseness. Insufficient lubrication can also damage the kingpin bearing. During normal maintenance, pay attention to inject more grease. Most oil guns are better.

3、前輪轂軸承松動(dòng)。維修保養(yǎng)時(shí)應(yīng)注意前輪轂軸承的潤(rùn)滑，每次前輪轂軸承的安裝和壓蓋的緊固要適當(dāng)。

3. The front hub bearing is loose. During maintenance, pay attention to the lubrication of the front hub bearing. Each time, the installation of the front hub bearing and the fastening of the gland shall be appropriate.

4、前橋的彎曲變形也會(huì)導(dǎo)致轉(zhuǎn)向不穩(wěn)。由于行駛中片面追求效率，盲目超載，路面選擇不當(dāng)，導(dǎo)致前橋彎曲變形。前軸彎曲變形過(guò)大，無(wú)法校正，必須更換。

4. Bending deformation of the front axle can also lead to unstable steering. Due to one-sided pursuit of efficiency during driving, blind overloading and improper selection of road surface, the front axle is bent and deformed. The front axle is too bent and deformed to be corrected and must be replaced.

5、攪拌一體車的車架和輪輞變形。

5. The frame and rim of the mixer truck are deformed.

6、轉(zhuǎn)向器內(nèi)部零件磨損。舵機(jī)各部件的嚴(yán)重磨損也會(huì)導(dǎo)致轉(zhuǎn)向不穩(wěn)的故障。應(yīng)拆卸轉(zhuǎn)向機(jī)進(jìn)行維修。合理裝載，中速行駛，盡量避免緊急制動(dòng)，防止車架變形。車架變形也會(huì)導(dǎo)致轉(zhuǎn)向不穩(wěn)定。

6. The internal parts of the steering gear are worn. Severe wear of steering gear components will also lead to unstable steering. The steering gear should be disassembled for maintenance. Load properly, drive at medium speed, and try to avoid emergency braking to prevent frame deformation. Deformation of the frame can also lead to unstable steering.

7、如果前束過(guò)大，方向盤會(huì)不穩(wěn)，轉(zhuǎn)向也會(huì)不穩(wěn)。前輪前束應(yīng)保持在要求的范圍內(nèi)。

7. If the toe in is too large, the steering wheel will be unstable and the steering will be unstable. Front wheel toe in shall be kept within the required range.

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