What is the travel motor shaft and what is it for?
/Case/ motor shaft is an element of the excavator drive system. It transmits the drive directly from the piston pump to the gearbox, where it connects to the sun shaft. We described it in another article: “What is the sun shaft of travel final drive and what it’s used for ?”. /Case/ motor shaft on its length has two types of splines. The first one (bigger) is mounted to the block of the travel motor shaft, the second one (smaller) is the place of transferring the drive power to the sun shaft in gearbox.
How to check if motor shaft is damaged?
The basic symptom of damage is the lack of transmission. So if we give traffic to the driving lever, we hear the driving engine’s operation, but the reducer is not working. The second symptom of driving engine damage is also grinding inside the gearings.
If the damage to the drive shaft is diagnosed, replace the damaged shaft and sun shaft of gearbox. Otherwise in next half year or maybe year you will have to deal with this problem again. After replacing both shafts, looseness during changes in the driving directions of the excavator will be minimized. Device will last much longer and save time associated with dismantling the hydromotor and the purchase and replacement of parts.
Thanks to the purchases in our online store, you will save the necessary resources to run your business. Also you can quickly and efficiently repair the damaged component and reactivate machine to work. In addition, you get guarantee of quality, professional and pleasant service without trouble connected with contacting service or dealer.
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