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What happened to the fluid coupler during refueling?
Nov 14, 2017

Firstly, there are several reasons for the abnormal phenomenon of coupler during refueling.

1: first check whether the hydraulic coupler rubber or hydraulic coupler is damaged.

2: if the result of the inspection is rubber, it may be caused by the damage of the coupler seal pad.

3: if it is a damaged item of aluminum, it should be the reason for the first time the hydraulic coupler has not been filtered.

What is the time for the hydraulic coupler refueling and replacement?

The first oil change should be 500 hours. The second oil change should be 3,000 hours.

So the first exchange of fluid couplers is very important and it's important to be careful about the efficiency of couplers.