Large and medium-sized cars while driving, often lubricating oil from the hub (and semi axon border area thrown out, the harm of larger; one is environmental pollution, affect the first appearance of the car; the second is to influence the braking effect, can't even brake; the third is cause economic waste, because oil shedding caused by lack of oil will aggravate the wear of machine parts or resulting in ablation. Hendin hub if not timely remind out, will have adverse consequences.
Hendin said oil hub hub is generally caused by the following reasons:
1 after the bridge filling grease or grease too much, through the half shaft sleeve inside the hole flow to the semi axon, the seal leakage at the pad place.
2 wheel axle shaft seal damage, seal failure cause leakage.
3 bearing the inner circle or the outer circle, the heat caused by the friction of the friction causes the grease to become dilute, thus causing the wheel hub outer dump oil.
4 after the internal leakage of air hole in the bridge, the temperature of the gear inside the differential is increased, and the oil pressure increases, leading to the leakage of oil..
5 the end face of the half shaft flange and the machining accuracy of the wheel joint surface is not high, the gasket is damaged, causing the oil leakage..
6 wheel bearing adjustment tight driving or frequent braking, a sudden rise in temperature, melt the grease thrown at half shaft liner.
The 7 front wheel hub bearing cover and the rear axle fixed bolt loosening and breakage caused by oil.
Preventive measures for wheel oil dump oil:
1 oil seal quality, specifications meet the requirements, the installation should be in place after the tightness, with the hand turning the appropriate.
2 after the bridge according to the requirements of filling oil. Says Hengding hub, hub bearing the amount of lubrication, is the bearing and evenly coated with grease, wheel hub cavity no longer filling grease. This will not only help the hub heat, reduce the running resistance, but also save oil, reduce economic expenses.
. regular dredging and cleaning after the bridge shell vent and drain plug to ensure that communicates with the atmosphere, to prevent the bridge temperature and internal pressure is too high.
4 correctly install and adjust the tightness of hub bearing. After the tightening of the nut (with the hand to the wheel) and then return 1/8-1/4 circle (with hand to rotate the wheel but a sense of astringent) is appropriate.
5 Hendin said hub eliminate bearing inner circle and the outer circle go away. Method is in the bearing outer seat ring or the shaft neck coated with a layer of alloy; or in the bearing seat and the shaft neck with nipper blunderbuss out of the pit, when necessary, replacement of parts.
6 replace paper pad intact, complete and semi axle bolt fastening.
7 when the brake frequently to prevent hub fever, grease thinning, can be the hub sprinkler cooling or installation of water shower device.
