How to diagnose the cause of the mal
来源: How to diagnose the cause of the malfunction of the guardrail cleaning car   发布时间: 2018-07-22 17:52   149 次浏览   大小:  16px  14px  12px
(1) The phenomenon of guardrail cleaning vehicle failure. Turn the ignition switch to the start gear and the starter does not rotate.

Last week, Jining City Coal Mining Industry Co., Ltd. sent 20 cleaning trucks to Yancheng, Jiangsu. From receiving this order to shipping, our company only spent a week, including the commissioning operation, in the process of commissioning. Also checked some problems, including the starter of the guardrail cleaning car does not rotate, then how to diagnose the cause of the failure? The next small series will solve this problem for everyone.

(1) The phenomenon of guardrail cleaning vehicle failure. Turn the ignition switch to the start gear and the starter does not rotate.

(2) The cause of the malfunction. 1 The battery has a fault or serious power loss inside. 2 The battery terminal is severely corroded and the wire connection is loose. 3 Ignition switch start gear is not in good contact. 4 Electromagnetic switch suction coil or holding coil has open circuit and short circuit fault; contact plate and contact head are severely ablated. 5 commutator is severely oily or ablated. 6 The brush is seriously worn; the brush spring is too soft, broken or the brush is stuck in the brush holder, so that the call brush and the commutator cannot be touched. 7 Start the electromechanical arm coil or the magnetic field coil to open and short circuit. 8 The connecting wire between the starter and the battery is broken. 9 The internal line of the central line or the connecting wire is broken.

Troubleshooting and troubleshooting. Find and detect the corresponding part according to the cause of the fault

The guardrail cleaning car produced by Jining Run Coal Industry Minerals Co., Ltd. is very mature in all aspects of technology, welcome customers to come to buy!

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