The crankshaft oil seal in the excavator fittings is aging and how to install the new one?

Excavator problems are not terrible, it is afraid of long delay repair, long-term problems will gradually appear, such as excavator accessories crankshaft oil seal after long-term use, will inevitably wear and aging, at this time, we need to have a certain operational ability.How to install crankshaft oil seal, the following Volvo construction machinery accessories Xiaobian with you to understand the next?
How to remove the front oil seal
1. Install the baffle of the oil seal puller (professional tool) on the crankshaft with two bolts of the crankshaft shock absorber installation of excavator accessories.
Remove the oil seal before excavator fittings
2. The hook ring of the oil seal puller is hung on the claw of the front oil seal, and then the hook ring is installed on the oil seal puller with the attached bolts. Finally, the two bolts on the baffle are removed, the central bolt attached to the excavator accessories is installed on the oil seal puller and tightened, and the front oil seal is pulled out.

Remove the oil seal before excavator fittings
Excavator crankshaft oil seal
Two, how to install the front oil seal
1. Insert a new front oil seal into the pipe of the oil seal press.Attention should be paid to the direction of the oil seal. The felt surface should be on the crankshaft shock absorber side.
Install oil seal before excavator fittings
2, clean up the dirt on the joint surface of the oil seal and the cylinder body, and then smear a small amount of oil on the sealing part of the oil seal.
Install oil seal before excavator fittings
3. Install the pipe on the crankshaft of the excavator fittings with the attached guide bolt, then align the hole of the oil seal press with the guide bolt, and then insert the press.
Install oil seal before excavator fittings
4. Install the attached center bolt on the press, tighten it until it stops, and then press into the front oil seal.
Three, how to remove the rear oil seal
Install the baffle of the oil seal puller on the crankshaft using two flywheel housing assembly mounting bolts. The subsequent steps are the same as the removal of the oil seal in front of the excavator fittings.
Remove the oil seal after the excavator fittings
Four, how to install the rear oil seal
Insert a new back oil seal into the pipe of the oil seal press.In this case, attention should be paid to the direction of the oil seal of the excavator fittings, and the felt surface should be on the side of the flywheel cover.The subsequent installation steps are the same as the previous oil seal.
Install oil seal after excavator fittings
PS: When installing, the large hole of the pipe of the oil seal press should be aligned with the color locating pin of the crankshaft.