Speaking of torque (wrenches) - Harbor Freight is having their 3 day yard sale through Sunday. I saw a torque wrench for $9.99, don't need it, but bought it anyway. Lots of good stuff for cheap prices including 11 drawer tool chests for $149. Great place to spend your $$ and help the Chinese out.
brian from la verne, ca
From: Nate <vwnate1@yahoo.com>
To: diesel_mercedes@yahoogroups.com
Sent: Saturday, October 8, 2011 7:23 AM
Subject: [diesel_mercedes] Re: The joys of vacuum.
Good morning Tony ;
There is no joy in vacuum pumps , they plain suck .
FWIW ,the correct torque of any screw on any German Vehicle , will render if vibration proof and when you loosen it for the fist time since initial assembly or after repairs including the correct , ' Just So ' torque , you'll both feel & hear a "click " sound as it begins to turn .
This means you must always use correctly fitting tools and clean the screw slots before applying turning force , often it's just a matter of applying the correct amount of force for a moment then it'll go "cick " and back out easily after that .
Germans , weird & wonderful Engineers , I wish they'd share these trade secrets more often .
I see the later model OM617 engines come with allen headed socket screws from the factory *but* if you fail to clean out the accumulated crud , they'll strip easily , just like the slotted Cheese headed screws on the older ones .
Nate
Tony wrote:
>
> Spent the morning wrestling with taking off the vac pump, I get my hands on the twerp who torqued those bolts on i'll have his guts for garters. To get the bottom one, I took out all the other bolts & had swmbo rock the pump housing, while I used a pry bar to hold the allen key in and turn the wrench at the same time. UGH. Think I might go to town and buy cap screws to replace the screw, if I have any money after I leave the bar.
> Oh well, have to put it down until tomorrow when I put the new (pap) one on.
>
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