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The place that sells parts for the master cylinder is "Precision Rebuilders" . Their phone number is 1-800-325-2690 .

Picture one shows the main piston 'O'-rings ( 2-222-EP70 ) . The EP standards for EPDM seals and the 70 standards for 70 durameter. Picture two shoes the center pin 'O'-rings (2-014-EP70 ) . Picture three shows the modified puller to push the pistons in with.

OK, so I don't offer a monthly tech tip but this is a little handy thing to know when rebuilding your dual master cylinder. There are only 3 main seals that need replacing. The other seals (Teflon) are replaceable but the "Teflon" seals really don't go out much. There is also 3 seals between the...

Yeah. I haven't seen any for years now. Most where destroyed. The split rims are going down this road also. Soon, you will see all your wheels changed out by shops with certified equipment and tech's. Can't say this is a good thing though.

Are you using a Bendix AD9 ? The way the AD9 works is to send a separate signal (pressure) to the governor to let it know to stop the compressor and allow the system to purge. There are several ways to do this, but the most simple and best for our application is to use the AD9 signal pressure...

For your application that diagram is OK. There should be one line from the governor to the air-compressors "unloader valves". The "T" connection on your system is just confusing the compressor with another pressure source.

Your a pretty good "sleuth" there cattlerepairman !!!

For several years now the industry has gone to lighter frames (fuel mileage) and they are now matched specifically to the vehicle (use of vehicle, weight being hauled, amount of flex needed etc.. ) . All holes (which can weaken a frame) are accounted for as is the degree of hardness of each...

The Hydraulic Head can be totally fine and still not spray the fuel like you described if the fuel pressure and flow are totally screwed up. So you cannot just condemn the Hydraulic Head right out of the gate before you properly diagnose the problem. Really, the Hydraulic Head is a very simple...

Come on, that was funny !

First off the main line to the AD9 should be 1/2" not 3/8" line. It should come from your wet tank not straight from the compressor. Second the 1/4" line to the governor is pressure not vacuum. Did you use the same line (pressure hole) on the governor that should have come from the air tank to...

If it was military rebuilt then the "spyder" should be properly adjusted. There is one other thing to look at. On the side of the Hydraulic Head is that 12 point bolt. Under that is the "Fuel Delivery Valve" . if some crud got in there it could cause problems. Also check the "overflow valve" on...

[/COLOR] That is the understatement of the year !!!! For all of us !!!!

:deadhorse:

Funny ! Hey haven't heard from you in awhile. How's your project coming ?

No, not the cheapest steel. It is mild steel though so you can do "in field" repairs to the frame. It actually is a well thought out unit. It provides excellent flex and strength and is easily repaired. Try that with some of these modern frames which take some expensive equipment to fix. Just...

:shock: !!!

I suppose you can use the alcohol to clean off the oily windshields also !

You and my wife both then !!! We where going down I-405 last week and a semi came over into the lane next to us. My wife became "unhinged" !!! I just kept saying over and over "everything is alright, everything is alright.... " until she calmed down. You would think that by now she would let...

Yes, the whole tire blew straight out ! It looked like it had been dynamited !!! Truly impressive sight to see !!!