Oil Drain Plug Issue

[PTBill]

I just did my first oil change on my used 2003 PT425 with a Kohler CH730 motor.

I noticed that the oil change nipple turns back and forth about 1/4 inch each way from the center.
Its movement is limited by a small circular cutout in the metal frame that the drain plug and threads hit.
If I turn it to the right as far as it will go (1/4 inch), it tightens up, but it is finger-tight at best.

I don’t think the threads on the motor are stripped; the nipple does not shake when I push it back and forth or left and right (I hope).
It looks like it could use another full turn, but the frame prevents this.

I checked the oil around the plug after the oil change, and it isn't leaking at the moment.
However, I am worried the plug could vibrate loose since it is barely tight.
The only thing I can think to try is cutting the frame to allow for more movement.

Has anyone come across this?

Thanks Bill

 

[GrandpaSmurf825]

I can't tell a great deal from the photo but from your description it sounds like it is fine for now. I would monitor it and plan to "fix" it next oil change. If you don't want to take the motor loose this is how I would do it. I would procure the needed fittings and plan to cut the elbow that is there now and replace it with a straight fitting and 90 degree swivel adapter with a short hydraulic hose to make the whole process easier and less messy going forward.

https://www.amazon.com/HYDRAULICS-DIRECT-2404-06-06-Male-thread/dp/B0BZ6DN2LM/ref=sr_1_1_sspa?crid=3NB2ITR7GXLQR&dib=eyJ2IjoiMSJ9.9feJImY5GpKOxKYRzAiXJ4xJ444cYNjw86UoLc-_FKGkFiF_jlVT59J-3VyGAS5-r7TWrxOkx9N7FH-X_YqZu25ma40FfEWUT0vGmLqxI9CJYSHqZJNp6Kteq2TGVIhgxubTG6R9YFXnIPMkt6ZGEBR1vy9jcSkBwF0cYFYosEUpmUkvcoVruyn069oTxFyylXfCaw35ALuKW_JSM7Sm0CTI5lBW0M3LrCnMX4AyZ4jNUaRbbFrICao0b0cc-cGwtbR-At2RnVdm6ZErGOYqk3xpotSwuT5SNGulJwNsfKw.JuOfEt1Qzijv2v2GbG959l_Fia0LaltLjXCyPFb9vd8&dib_tag=se&keywords=2404-06-06&qid=1776457287&sprefix=2404-06-06%2Caps%2C345&sr=8-1-spons&sp_csd=d2lkZ2V0TmFtZT1zcF9hdGY&th=1

Then get a hydraulic hose with a 90 female crimp on end to go on the straight fitting. Get a plug for the other end of the hose. Amazon is by no means the cheapest place to get hydraulic fittings and components in most instances. If you have a local hydraulic shop they are generally a better option although I encountered a couple in my career that were out of line. I'm also linking a company that many independent hydraulic shops use as their fitting source. It also gives you a much better idea what options you have.

https://www.tompkinsind.com/products

 

[PTBill]

I added another picture that might be a little better. Hard to get a phone in there for pictures. Thanks for all your info. Would be great to have a hydraulic hose for oil changes. Yes, I guess I will just monitor for now. Thanks again Bill