I am going to change all the fluids and filters on my Series 1 580SL.Seems like the owners manual called for a special fluid in the rearend because of the brakes on these early SL's.Seems like the last time i changed it i was told i could use the ULTRA hytran.Is this correct?Does the rearend have a filter?
Hytran Ultra is the correct fluid for the l series rear axle/ brake assembly including the outbard planetaries. The center bowl assembly also is suppposed to have an additive to suppliment the oil for the brakes. I have seen this change + additive almost completely eliminate brake chatter on some machines. Make sure you get the proper additive from a knowledgable Case dealer. Mel
Case rear axle additive - 402982A2. 1 x bottle per 20lt of oil. Over here we run 85/140 in the hubs. Per 580SL spec the front hubs run 90w - same as centre & rear hubs run hy-trans - same as centre....... yet both hubs front & rear use same bearings & seals - go figure :beatsme
How do you remove the drain/level/fill plugs from the wheel hubs after someone strips them round and a square drive won't bite? They are soft so a chisel doesn't work well. I thought about welding to them but I hate welding near bearings and seals. Thought about drilling them but don't want filings in the planetary. If I drilled them I could put a big easy-out in them. I hate to pound on them for fear of cracking a hub. I could pound a big star drive in the hole. Off the top of my head I like the welding option best but I haven't tried it yet.
My main quesition is why people tighten them the way they do, snug is enough. Having to use a 1/2 drive 24 in. snap on breaker bar and jerk with all your might on it is ridiculous. That being said I have had to heat them up red hot, that will loosen them up so you could probably bump it around with a chisel or drive an appropriate allen drive in the hole that will grip it. Allen drives make terrific easy outs, even better than tools designed for that purpose IMHO. mEl
A little weld around a bolt inserted into the stripped hole won't add but enough heat to help it turn out.
I can't understand that either but it is common on everything that flies, floats or rolls. People tighten plugs like they hold the whole machine together. I've seen a number of bearings wiped out by electric welders arcing where it shouldn't arc. I assume that it is because of a poorly placed ground but I would rather stay a little scared and a little overly cautious.