torque wrench amount for tighetning Buddy 125 oil filter?

[bimbom]

In the sticky on this forum for a Buddy 125 oil change, the post mentions tighetning it to 8Nm.

However when I was watching this video about oil changes on Buddy 125, she says to tighetn to 12 ft lbs, which is equivalent to about 16Nm (twice as much!). Which is correct?

http://www.youtube.com/watch?v=qZdqUCCO2oU&t=3m22s

And if I don't have a torque wrench, is hand-tight enough?

[Tocsik]

12-15 ft/lbs is what is recommended.
And, no, hand tightening is definitely not good enough.
You can use a regular wrench but you need to know how much is not enough torque and how much could be "too much".

I usually tighten with a combination wrench to the point that I think is good and then check with my torque wrench to be sure I'm around 12-15.

Use the search function and search "oil filter spinning off"; make sure you select to search for all terms.

[az_slynch]

12-15 ft/lbs is what is recommended.
And, no, hand tightening is definitely not good enough.
You can use a regular wrench but you need to know how much is not enough torque and how much could be "too much".

I usually tighten with a combination wrench to the point that I think is good and then check with my torque wrench to be sure I'm around 12-15.

Use the search function and search "oil filter spinning off"; make sure you select to search for all terms.

All the above, plus one tip: lube the o-ring for the filter with a skim of motor oil. It'll help prevent the o-ring from bunching or pinching when you torque the filter down.

[bimbom]

12-15 ft/lbs is what is recommended.
And, no, hand tightening is definitely not good enough.
You can use a regular wrench but you need to know how much is not enough torque and how much could be "too much".

I usually tighten with a combination wrench to the point that I think is good and then check with my torque wrench to be sure I'm around 12-15.

Use the search function and search "oil filter spinning off"; make sure you select to search for all terms.

Where are you guys getting this 12-15 ft/lbs from? I just looked at the Buddy service manual and it says this for the oil filter:

2.Second oil filter
Replace it per 5000km Torque: 8±0.2 N-M


Also here's the info from the service manual about the tightening of the oil drain bolt:

Re-install the screen, the spring, 0 ring
and the Oil draining bolt. Locking torgue:1.5kg-m

1.5kg-m converts to 14.7 N-M.

[Tocsik]

Yeah, I know 8 newtons meter = 5.90049719 foot pounds.

But most of us go with 12-15 ft/lbs on the oil filter per my research on MB. Especially the 125's where the oil filter is mounted directly on the motor and subject to more vibration than the 150's and 170's (where it's on an oil cooler, off the motor). The vibration on the motor is what causes the oil filters to spin off or loosen on the 125's. Not trying to freak you out. Just providing caution.

And don't use a torque wrench on your oil or gear oil drain bolts unless you have a high-quality torque wrench and you know what you are doing!!!

If you've ever done any oil changes on cars or done any engine work on parts that get hot, you know not to over-tighten those bolts.
Too many folks have stripped-out the threads on drain bolts by using a torque wrench. I know. I'm one of 'em. There's a certain feel you get for tightening drain bolts. Tight enough but not too tight. It's hard to explain. Sort of a gestalt. Sorry. Gettin' weird. I've had a bit of a really good Malbec tonight!

I'll wait for others to chime in about the torque on the oil filter. I have read just a few stories about guys breaking off the threaded nipple for the oil filter but I don't want to steer you wrong.

[az_slynch]

If you've ever done any oil changes on cars or done any engine work on parts that get hot, you know not to over-tighten those bolts.
Too many folks have stripped-out the threads on drain bolts by using a torque wrench. I know. I'm one of 'em. There's a certain feel you get for tightening drain bolts. Tight enough but not too tight. It's hard to explain. Sort of a gestalt.

I think the phenomenon you are referring to is called the "calibrated wrist". It is purported to develop over time, with practice of installing certain fasteners in a consistent range of torques. The upshot is that the person will develop a feel of how much pressure on the wrist is appropriate for a given fastener type and be able to torque fasteners with some degree of accuracy.

While I have been accused of having a calibrated wrist, I say that it's better to do it to spec and use a calibrated torque wrench.

[PeteH]

In the Genuine service video (http://vimeo.com/5377019), the voiceover dude talks about 12 lb-ft for both the drain bolt and the filter. However, the on-screen tech neglects to use a torque wrench, relying on the 'calibrated elbow'.

[avonpirate]

Tocsik: is a HF torque wrench not ok?

Calibrated Wrist is a no doubt learned thing. I understand tight and +1 rotation, but truthfully who knows where they default with their fingers????

I intended to do my own oil changes, but this is getting complicated. Is there a balance between being immobilized by lack of depth of knowledge and being paralyzed by the potential mishaps????

The 2006 Stella I met last weekend, when I asked, gets minimum upkeep and runs like a bull. Where is the balance?

[jmazza]

I go 12 ft/lbs plus a bit more.