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Author Topic: Lubrication of old Simplex Gordon McLeod Film God Posts: 9532 From: Toronto Ontario Canada Registered: Jun 99 posted 10-31-2018 12:29 PM                     The original simplex oil was a SAE#20 non detergent anything lighter and it will just leak out and do no good Also most other oils contain some waxes that will cause a big issue Starting with the XL the oil became a Compressor based oil called cappella that was approx SAE10ish Simplex soundhead oil was SAE40 non detergent  |  IP: Logged Craig Hardy Film Handler Posts: 28 From: Barrington, New Hampshire USA Registered: Oct 2018 posted 10-31-2018 12:42 PM                     Thanks Gordon. I'm no finding any ND 20 locally, but ND 30 and 40 is readily available. Should I use the heavier oil in my Ballantyne model 6 sound heads?  |  IP: Logged Gordon McLeod Film God Posts: 9532 From: Toronto Ontario Canada Registered: Jun 99 posted 11-01-2018 10:15 AM                     The number 40 is good in most sound head gear boxes  |  IP: Logged Mark Gulbrandsen Resident Trollmaster Posts: 16657 From: Music City Registered: Jun 99 posted 11-01-2018 12:28 PM                     I highly reccomeond you use Mobil-1 synthetic Gear Lube in your sound head gear box, 80 weight equivelent. You will probably not experience any wear at all in your gears running reel by reel and in cinemas where we went though a bronze gear every 4 to 6 years in platter operations the Mobil-1 Gear Lube pretty much doubled the bronze gear life span. Bronze gears and the worm gears were not "Simplex or RCA Quality in later years" they were Wolk quality and typically unhardened steel and the cheapest bronze he could acquire. For the projector use what Gord reccomends, but again, an equivelent synthetic if you can find it is far far superior... Mark  |  IP: Logged Craig Hardy Film Handler Posts: 28 From: Barrington, New Hampshire USA Registered: Oct 2018 posted 11-01-2018 10:17 PM                     Thanks guys. One of the sight windows on intermittent was disintegrated, so I mad a new one and glued it on from the outside with JB Quik. Felt like a brain surgeon, carefully degreasing with acetone on Q tips, then using dental tools to apply the JB. Added oil and ran it a bit--no leaks. But I'd like to do the job right and install new sights from the back. I've practiced removal and re-installation of the intermittent with a junker head. Since I haven't found any "step by step" instructions for the procedure let me ask you experts: If I remove the two gears to get at intermittent, then after re-installing intermittent, can I just slip those two gears back on and timing will be OK so long as I didn't turn the shutter or anything else? To cut the 1/4" dia windows, I made a quick and dirty hole saw from a piece of brass tubing, then cut the little discs out of a CD case with drill press on slow and oil to prevent heat and smearing when cutting. Photo below.  |  IP: Logged Mark Gulbrandsen Resident Trollmaster Posts: 16657 From: Music City Registered: Jun 99 posted 11-03-2018 05:57 PM                     It'll likely leak done that way, so keep a close eye on the oil level. They didn't earn the name "Simplex Valdeze" for no reason! Keep a drip pan under the thing! The movement has to be disassembled and the window and it's rubber gasket is then replaced from the inside by removing a round hollow nut that's holding it in.You will also need a new intermittent casing gasket. Its a special, VERY THIN gasket! Mark  |  IP: Logged Mark Gulbrandsen Resident Trollmaster Posts: 16657 From: Music City Registered: Jun 99 posted 11-03-2018 07:33 PM                     3 in 1 oil is crap add way too thin for a Simplex movement. I once had a customer try to use that stuff in a Simplex X-L in Kamas, Utah and it really made a mess of the machine mechanically speaking. He was buying it because it was all he could get across the street at the local hardware store... SAE 20 non-detergent would be a better choice or Mobil-1 like Louis mentioned. Mark  |  IP: Logged Kenneth Wuepper Phenomenal Film Handler Posts: 1026 From: Saginaw, MI, USA Registered: Feb 2002 posted 11-03-2018 08:29 PM                     These lubricants are available around here from "Tractor Supply". There are some special uses for them in the farming equipment sector. KEN  |  IP: Logged Craig Hardy Film Handler Posts: 28 From: Barrington, New Hampshire USA Registered: Oct 2018 posted 11-04-2018 01:26 AM                     Tractor Supply was one of the 10 places I checked here in NH and they didn't carry it. But I'll keep trying. Thanks guys!  |  IP: Logged Mark Gulbrandsen Resident Trollmaster Posts: 16657 From: Music City Registered: Jun 99 posted 11-04-2018 11:09 AM                     You could order it on line from Tractor Supply if it's not stocked in the store and they'll ship it directly to you. My GF works at TS Home office here in Brentwood (Nashville). People that know she works there ask her about this sort of thing all the time. At any rate, I wold not hesitate to get this synthetic compressor oil and use it. And this supplier is located near you.. Note that ISO 68 is the same as SAE-20 weight for future refrence... https://www.ebay.com/itm/Lube-V-Full-Synthetic-Compressor-Oil-Lubricant-Lube-I SO-68-SAE-20-Weight/112923163018?hash=item1a4abeb98a:m:mPh_4SVLSn7d1ifFeSkub9A:rk:6:pf:1 Mark  |  IP: Logged Craig Hardy Film Handler Posts: 28 From: Barrington, New Hampshire USA Registered: Oct 2018 posted 11-12-2018 09:19 PM                     Thanks Mark. Bottle of it arrived Saturday from the source you gave.  |  IP: Logged Monte L Fullmer Film God Posts: 8367 From: Nampa, Idaho, USA Registered: Nov 2004 posted 11-13-2018 04:13 AM                     3 in 1 is too thin. Great you got the right oil to use. Good luck  |  IP: Logged

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