Bobcat T200 case drain

[smiley.keith]

I am adding a case drain to my T200. Where does the hose (item 11) get connected to? Thanks

 

[fortworth-cowboy]

Hydraulic Tank

 

[smiley.keith]

There is a cap on top of the hydraulic tank that I thought about modding to get the case drain connected to the tank. Unfortunately the back of the cab covers it. I ended up using an elbow with a tapered side for the hydraulic hose and the other side of the fitting is 3/4" pipe thread with O rings and a nut inside the fill tube to secure it. I drilled a 3/4" hole in the fill tube to attach.

 

[fortworth-cowboy]

View attachment 8943There is a cap on top of the hydraulic tank that I thought about modding to get the case drain connected to the tank. Unfortunately the back of the cab covers it. I ended up using an elbow with a tapered side for the hydraulic hose and the other side of the fitting is 3/4" pipe thread with O rings and a nut inside the fill tube to secure it. I drilled a 3/4" hole in the fill tube to attach.

Well that is one way, but will properly leak soon.

 

[smiley.keith]

Well that is one way, but will properly leak soon.

I didn't want to drill into the tank and create a future leak so thought going into the hose would be better. By going into the hose if it did leak I could always replace the hose. I think the fitting I used (attached) with a o ring on both the outside and inside of the hose with a nut to secure would be my best choice. Any drainage from the case line would be low pressure.

 

[MX727]

That isn't a pipe thread. That is SAE O-ring. They will thread into pipe fittings, but they usually end up leaking, particularly if you thread a male pipe into a female SAE O-ring.

SAE fitting thread portions are straight, while NPT fittings are tapered.

 

[smiley.keith]

That isn't a pipe thread. That is SAE O-ring. They will thread into pipe fittings, but they usually end up leaking, particularly if you thread a male pipe into a female SAE O-ring.

SAE fitting thread portions are straight, while NPT fittings are tapered.

 

[smiley.keith]

Agree the elbow is SAE and tapered on the end where hydraulic hose attaches. The other end of the elbow is 3/4" pipe thread. I attached a 3/4 nut inside the large filler hose with o rings outside and inside. Even if there is leaking between the pipe thread and nut it's inside the filler tube so shouldn't leak externally. Like I mentioned I can replace the large filler hose if this doesn't work but if I drill directly into the tank and it leaks there I'm stuck with the problem.