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Thread: DEUCE BRAKE LINE REFERENCE GUIDE (Sizes, lengths, fittings)

  1. #21
    4 Star General rustystud's Avatar
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    Quote Originally Posted by peashooter View Post
    So besides the standard 1-3/8" bore wheel cylinders, and the larger 1.5" diameter wheel cylinders used on the front axle of the M35a3 trucks, there is also a 1.75"diameter wheel cylinder that may fit (it may be a little too fat though and possibly rub against the shoe return spring. I'm not suggesting to use this as most 6x6 deuce brake systems may not have enough fluid capacity, but for Bobbed trucks and those with the skill and knowledge of their brake system who like to try different things here it goes: The DORMAN W1012 is the big daddy to the other 2 sizes as described in post 3.
    With those cylinders up front, it would make the old deuce stop on a dime ! Or flip over !!! HaHaHa !!!

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    4 Star General SteveKuhn's Avatar
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    Could someone confirm a size & thread or NAPA # for this part mentioned above?

    TEE PLUG (TO USE WHEN BOBBING A DEUCE AND REMOVING REAR AXLE HOSE):

    I'm not clear whether it is 7/16 x 24 or 1/2 x 20.

    I'd prefer not to take the part off for measurement before I have the plug.

    Great thread.

    Thanks.

    Steve

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    3 Star General peashooter's Avatar
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    Quote Originally Posted by SteveKuhn View Post
    Could someone confirm a size & thread or NAPA # for this part mentioned above?

    TEE PLUG (TO USE WHEN BOBBING A DEUCE AND REMOVING REAR AXLE HOSE):

    I'm not clear whether it is 7/16 x 24 or 1/2 x 20.

    I'd prefer not to take the part off for measurement before I have the plug.

    Great thread.

    Thanks.

    Steve
    That thread will be the larger of the 2 sizes.... so its 1/2-20. I don't have a Napa part handy but O'Reilly has it as an Edelmann 120500
    '88 AF M109A3 W/W CAMPER
    '04 M105A2 Trailer W/CBC
    Stainless Steel Braided Brake Hose Info HERE
    Lots of Deuce Brake info HERE

    “That if thou shalt confess with thy mouth the Lord Jesus, and shalt believe in thine heart that God hath raised him from the dead, thou shalt be saved. For with the heart man believeth unto righteousness; and with the mouth confession is made unto salvation” (Romans 10:9-10).

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    I checked the OReilly number at NAPA and they gave me this in case anyone needs it in the future.

    Part Number: WH 131X5

    Product Line: Weatherhead



    Attributes: Description : Plug (steel)
    Material : Brass
    Tube O.D. : 0.312 in (7.9 mm)
    Dimension C : 0.500 in (12.7 mm)
    Dimension D : 0.250 in (6.4 mm)
    Dimension L : 0.590 in (15.0 mm)


    Steve

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    2 Star General QUADJEEPER's Avatar
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    Quote Originally Posted by Mike929 View Post
    Here are some pictures of a DUAL circuit brake system of an Air force truck that I had from last year. Might help.
    Question Mike. How is the trailer air line plumbed on the Air Force system? I'm installing one and can't tell if it is from the left airpack or tee'ed into both. Thanks. Scott
    Survival 109 build
    http://www.steelsoldiers.com/showthr...ferrerid=34518
    1971 Jeep M109A3
    M105 trailer with S250 shelter
    2017 Jeep Cherokee Trailhawk
    1999 XJ Jeep Cherokee 4x4
    1978 Jeep CJ-5 ( sold )
    2007 Suzuki DR200 enduro
    2010 Polaris Ranger 800 4x4 UTV
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    3 Star General peashooter's Avatar
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    Quote Originally Posted by QUADJEEPER View Post
    Question Mike. How is the trailer air line plumbed on the Air Force system? I'm installing one and can't tell if it is from the left airpack or tee'ed into both. Thanks. Scott
    Its Tee'ed to both through a checkvalve on the drivers side frame rail above the spare tire area. Its on pdf page 44 of this TM HERE. You can find the check valve's cheap on ebay, its usually a Bendix 278614 DC4 (I replaced mine earlier last year).

    Its also mentioned in the TM for the M35a3 trucks. You can find info on the brake system here in TM9-2320-386-24P starting around PDF page 236 up to about 256.
    Last edited by peashooter; 01-13-2015 at 13:16.
    '88 AF M109A3 W/W CAMPER
    '04 M105A2 Trailer W/CBC
    Stainless Steel Braided Brake Hose Info HERE
    Lots of Deuce Brake info HERE

    “That if thou shalt confess with thy mouth the Lord Jesus, and shalt believe in thine heart that God hath raised him from the dead, thou shalt be saved. For with the heart man believeth unto righteousness; and with the mouth confession is made unto salvation” (Romans 10:9-10).

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    Quote Originally Posted by peashooter View Post
    Its Tee'ed to both through a checkvalve on the drivers side frame rail above the spare tire area. Its on pdf page 44 of this TM HERE. You can find the check valve's cheap on ebay, its usually a Bendix 278614 DC4 (I replaced mine earlier last year).

    Its also mentioned in the TM for the M35a3 trucks. You can find info on the brake system here in TM9-2320-386-24P starting around PDF page 236 up to about 256.
    Thanks, that is what I've been looking for.
    Survival 109 build
    http://www.steelsoldiers.com/showthr...ferrerid=34518
    1971 Jeep M109A3
    M105 trailer with S250 shelter
    2017 Jeep Cherokee Trailhawk
    1999 XJ Jeep Cherokee 4x4
    1978 Jeep CJ-5 ( sold )
    2007 Suzuki DR200 enduro
    2010 Polaris Ranger 800 4x4 UTV
    Scott

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    2 Star General Kaiser67M715's Avatar
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    Just received an email from Iris Industries, For DOT 5 Fluid, Price for 4 gallons shipped appears to be around $175.00, Price/Gallon was $35.25, shipping $34.00.

    Price/Gallon is better then half of surplus, or anything else for that matter.

    Just an update to the price on the first page.

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  14. #29
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    Here's some information I had trouble finding.

    Brake line tee mounted on the frame rail above the master cylinder: 7373254
    Brake line tee on the front axle: 7773252
    Brake line tee between rear axles (the one that goes from the hard line to the two soft lines): 7373251

    As far as I can tell none of these are available from anyone other than MV parts dealers.

    Another area I had trouble with was the adapters that screw into the back of the MC and side of the airpack that the hydraulic lines connect to and their copper crush washers. I read somewhere that they were female inverted flare to male NPT, but that's not the case. They're female 5/16" inverted flare to straight 5/16" SAE thread 1/2-20. I actually found a manufacturer for the same kind of adapters (edelmann 265500) and the copper crush washers are available from napa (napa 1244).

    Hope this helps someone out.

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    Colonel TB58's Avatar
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    I am trying to figure out quantities for each item to do a hardline rebuild on the single circuit brake system. Do these numbers look right?

    5/16 EZIBEND TUBE 25 FT COIL -BQT312-25CN- x 1ea
    1/4 EZIBEND TUBE 25 FT COIL -BQT250-25CN- x 1ea
    Gravel Guard, Tubing Armor, Stainless Steel, Natural, 5/16 in. Diameter, 20 ft. Length -RSD-GGS516S-20- x 1ea
    Gravel Guard, Tubing Armor, Stainless Steel, 1/4 in. Diameter, 20 ft. Length -RSD-GGS14S-20- x 1ea
    Tube Nuts, Inverted Flare, 1/4 in. Tube, 7/16-24 in. Nut, Steel, Zinc -ALL50116- x 12ea
    Tube Nuts, Inverted Flare, 5/16 in. Tube, 1/2-20 in. Nut, Steel, Zinc -ALL50140- x 8ea
    P/N 7373254 x 1ea
    P/N 7773252 x 1ea
    P/N 7373251 x 1ea
    Edelmann 265500 x 3ea
    Napa 1244 x 3ea
    Last edited by TB58; 10-17-2015 at 00:22. Reason: fat fingers

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