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Thread: M45F Maxon Turret Work Begins

  1. #21
    GA Mafia Imperial 1SG papabear's Avatar
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    You are doing outstanding work Sir...as you always do.

    I betcha that baby will purr/operate like a kitty when you're done!
    Ignorance can be educated and crazy can be medicated but there is no cure for stupid.

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    1943ht (01-17-2013)

  3. #22
    General 1943ht's Avatar
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    Don, no joy with VW .. those connectors are hard to find .. TY PB .. as always, I strive to "represent" as a member of CAMO

    Thought I'd share some before pics of my project as recovered .. lots of rust and broken pieces.
    P1000087.jpgP1000085.jpgP1000086.jpgPB050012.jpgP1000093.jpgPicture1.jpgPC120022.jpg
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    Mark Koloc (LTC USA Ret)
    HOR:1631 Bitter Creek Lane, Batavia OH 45103
    Cell: 1.715.821.9426

    1942 GPW
    1943 M16A2 MGMC
    1943 Scout Car
    1944 M10 Ammo Trailer
    1947 CJ2A
    1947 SPEN
    2 M37 Winch Models

  4. #23
    General 1943ht's Avatar
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    Well the motor and drives work like a dream with the turret in the front-lean and rest position hooked up jumper cables to a battery and the cable ends on the Maxson and ran her thru her paces using the gunners Cadillac .. runs like a dream forward and reverse and the elevation gear box spins nicely both directions .. adjusted out the belts and differentials and flipped the base over and mounted the trunnions so that I can get started on the upper portion of the turret .. Ran my spare motor and went thru the spare differentials before stashing them back on the shelf. Dry fitted the slip-ring into the bracket that I fabricated and installed brackets on the turret base to attach to the slip-ring (ensures that the upper portion of the slip-ring turns smoothly with the Maxson and does not put any drag on the cables). Am still working the cable end issue for the slip-ring.. but if need be will fabricate my own ends for power and commo.

    P1280018.jpgP1280017.jpgP1280019.jpgP1280020.jpgP1280033.jpgP1280035.jpgP1280027.jpg
    Last edited by 1943ht; 01-29-2013 at 23:07.
    Mark Koloc (LTC USA Ret)
    HOR:1631 Bitter Creek Lane, Batavia OH 45103
    Cell: 1.715.821.9426

    1942 GPW
    1943 M16A2 MGMC
    1943 Scout Car
    1944 M10 Ammo Trailer
    1947 CJ2A
    1947 SPEN
    2 M37 Winch Models

  5. #24
    The Envelope Please. Steel Soldiers Vendor CARNAC's Avatar
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    Hi Mark. Looks like the HT is coming along. We met and discussed your HT and retirement at Alpharetta in 2009. Looking for my own HT and if things work out, I'll have one this spring.

    Keep up the good work.
    No longer the Common Man
    --
    'But I have dreamed a dreary dream, Beyond the Isle of Skye;
    I saw a dead man win a fight, And I think that man was I.'
    --
    Hereby declaring open season on good idea fairies and there is no bag limit!

  6. #25
    General 1943ht's Avatar
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    CARNAC, It was a pleasure meeting and talking with you at the GA Rally, My 1st but hopefully not last one.

    Landed up spending way more time than I thought I would at Benning with multiple surgeries to repair the damage to my legs .. all in all it turned into a great experience as I had the opportunity to meet Papa Bear and the outstanding CAMO Team .. finally completed the MEB and retired at the end of 2011 .
    Am home and finally able to get back to work on my beast .. although I get around a lot slower these days !

    Please let me know how the HT hunt works out for you. They are a thing of BEAUTY!
    Mark Koloc (LTC USA Ret)
    HOR:1631 Bitter Creek Lane, Batavia OH 45103
    Cell: 1.715.821.9426

    1942 GPW
    1943 M16A2 MGMC
    1943 Scout Car
    1944 M10 Ammo Trailer
    1947 CJ2A
    1947 SPEN
    2 M37 Winch Models

  7. #26
    Corporal
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    Mark,
    Guess I should check SS more often. Great thread on the M45F. I have a earlier M45 (no cannoneers step) and will be restoring it this winter/spring. How did you lift off the trunnions? I am going to have a little different wiring as the M45 had no provisions for being connected to the halftrack. No intercom etc. Have you found a wire for the sight that is the correct diameter? Thanks for the thread. Hope to meet you in Portland.
    Kevin
    1941 M2 Halftrack
    1942 GPW & 43 T3 Bantam trailer
    1942 M4A1 Halftrack
    1944 M3A1 Halftrack
    1943 M2A1 was M2 Halftrack
    1943 M16 Halftrack was M13
    1943 OshKosh AAF 4-ton Snowblower
    1944 LVT3 Landing Vehicle, Tracked
    1947 CJ2A & T3-C Bantam trailer
    1950 CJ3A
    1951 M38

  8. #27
    General 1943ht's Avatar
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    Kevin, I used my small engine hoist to remove and reinstall my trunnions. I use a 2 Ton Goodyear hydraulic hoist that I picked up at Sam's Club back in 07 and it folds up very easily for storage.

    I started work on the right trunnion. Stripped off my inner cover and two of the M2 mounts so that I could get the gasket retainers off and pull out the old felt gaskets. Will have to FAB up some new gaskets and then install my wiring. The cutout / limiter switch needs some work and I may have to swap it out with a spare. Once that felt was out, I was able to lubricate the ball bearings in the trunnion and it moves very smoothly now.

    The oilier on top of the trunnion needs to be cleaned up as it seems to be clogged, but functions correctly regards the spring operated detente.

    My turret, like my track has it's serial numbers (2616L M45F) stamped into the frame even under the data plate and that appears to be a B-M trademark on conversions. My track was converted to a M16A2 in 1952 and the HT USA number was stamped into the front bumper in two places.

    P2070001.jpgP2070002.jpgP2070003.jpgP2070005.jpgP2070006.jpgP2070010.jpg
    Last edited by 1943ht; 02-07-2013 at 15:22.
    Mark Koloc (LTC USA Ret)
    HOR:1631 Bitter Creek Lane, Batavia OH 45103
    Cell: 1.715.821.9426

    1942 GPW
    1943 M16A2 MGMC
    1943 Scout Car
    1944 M10 Ammo Trailer
    1947 CJ2A
    1947 SPEN
    2 M37 Winch Models

  9. #28
    Corporal
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    Mark,
    To remove trunnion is it just the wiring at junction blocks and the sixteen 1/2approx bolts that hold it on? Did all the trunnion balls look good and were they easy to replace? I checked my mount it is stmpd: MOUNT M45 E1 1xxxK.
    Kevin
    1941 M2 Halftrack
    1942 GPW & 43 T3 Bantam trailer
    1942 M4A1 Halftrack
    1944 M3A1 Halftrack
    1943 M2A1 was M2 Halftrack
    1943 M16 Halftrack was M13
    1943 OshKosh AAF 4-ton Snowblower
    1944 LVT3 Landing Vehicle, Tracked
    1947 CJ2A & T3-C Bantam trailer
    1950 CJ3A
    1951 M38

  10. #29
    General 1943ht's Avatar
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    Kevin that's it ... you may find that there are different colored shims under each trunnion block where each trunnion mates with the rest of the turret .. they were most likely used to level out the trunnions when installed on the turret.

    I had yellow and black shims on mine.. the colors probably denoted thickness of each shim in thousands. There are also two alignment pins on each block .. you may need to do a little finessing with a screwdriver or pry bar when separating your trunnions from the turret.

    My ball bearings in the 1st trunnion that I took down looked great (Shiny and none missing).. Believe they would be a "B" kitty to replace ..

    P1000105.jpgP1000102.jpg
    Last edited by 1943ht; 02-07-2013 at 17:00.
    Mark Koloc (LTC USA Ret)
    HOR:1631 Bitter Creek Lane, Batavia OH 45103
    Cell: 1.715.821.9426

    1942 GPW
    1943 M16A2 MGMC
    1943 Scout Car
    1944 M10 Ammo Trailer
    1947 CJ2A
    1947 SPEN
    2 M37 Winch Models

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    battlecr (02-08-2013)

  12. #30
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    Hey Mark,
    Dismounted the trunnions last night. Flipped the mount upside down and began clean-up. I tried hooking a battery up, to the two drive units I have, and got less than good results. I have two more or less complete drive units and they have subtle differences. One lacks the small springs on the gear drive outboard units, and the motor data plate shows 5400rpm. The other has those additional springs and the motor plate reads 5500rpm. The motor with 5400rpm has a phenolic square attached with four screws that surrounds the positive and negative studs for power input. These cables have female threaded ends. On the 5500rpm motor both pos and neg cables appear to pass through the motor case and be soldered to the unit permanently. Did you simply hook 12v to the pos and neg posts and have full speed on the motor? Mine seem sluggish and low speed. Possibly I have binding in the gear drives.
    1941 M2 Halftrack
    1942 GPW & 43 T3 Bantam trailer
    1942 M4A1 Halftrack
    1944 M3A1 Halftrack
    1943 M2A1 was M2 Halftrack
    1943 M16 Halftrack was M13
    1943 OshKosh AAF 4-ton Snowblower
    1944 LVT3 Landing Vehicle, Tracked
    1947 CJ2A & T3-C Bantam trailer
    1950 CJ3A
    1951 M38

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