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Author Topic: Resurrection of a Deutz MAH 914, 1952? Lets see!  (Read 2457 times)

sirpedrosa

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Resurrection of a Deutz MAH 914, 1952? Lets see! BITS FROM GERMANY AND COLOR
« Reply #135 on: September 17, 2022, 01:58:46 AM »
Cobba, Gentles

When it dries it will be more brown than red. The other color is black, and will be for all head, all fuel circuit, crank handle and outer ring of flywheels - if cannot let it shiny and with varnish.

Today arrived bits for IP, and head gasket.

Get IP assembled (now we are talking about an IP working) and make the jig with high pressure pipe and assembled injector too.

Put back crankshaft on place and camshaft too.

FWIW, I think we can time the engine in other way too (just a matter of rotation) as you can see at pics.

I'll mount back tappet and IP, and test fuel IP, line and injector, and manage to put injector spraying at right pattern.

A few to joy.

Cheers
VP

PS: Cobba, the guy from bike GP is spanish, and is just a coincidence same name.
« Last Edit: September 17, 2022, 08:52:58 AM by sirpedrosa »
By order of firing up:
Bernard 18A - 1968 (mama's water pump - year of my birth)
Petter PAZ1 - Jun 1967, 3HP, sn 416xxxx
Petter PAZ1 - Nov 1979, 3HP, sn 425xxxx
Lister 12/2 - 12651227, the pearl!
Deutz MAH 914, 1952 - Wating for the Zündfix to fire up.

sirpedrosa

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Resurrection of a Deutz MAH 914, 1952? Lets see! IP PUMP & INJECTOR TEST
« Reply #136 on: September 17, 2022, 03:21:47 PM »
Gentles

No riding today! Last car to be inspected this morning, and the big toe foot nail needing to be grinded by surgeon!( >:( >:( >:()

So, rearmed the German (flys on), IP tappet, IP, HP line, Injector.... fuel, and I think it could fly today, if it hadn't been that mess with valve guides.

Still have a small leak in injector feed thread, but it will be lapped accordingly.

A pair of pics and a shared video (https://youtube.com/shorts/I4dBWAe2W9M?feature=share), for enthusiasts.

Cheers
VP
« Last Edit: September 17, 2022, 03:30:07 PM by sirpedrosa »
By order of firing up:
Bernard 18A - 1968 (mama's water pump - year of my birth)
Petter PAZ1 - Jun 1967, 3HP, sn 416xxxx
Petter PAZ1 - Nov 1979, 3HP, sn 425xxxx
Lister 12/2 - 12651227, the pearl!
Deutz MAH 914, 1952 - Wating for the Zündfix to fire up.

sirpedrosa

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Resurrection of a Deutz MAH 914, 1952? Lets see! CYLINDRICAL ROLLER BEARING
« Reply #137 on: September 17, 2022, 11:15:36 PM »
Gentles

First my apologies, because roller bearing is not tapared, BUT cylindrical.

Second, I managed to take it out.... patience and hammer and a hard stick of wood.

Third, if I needed a new one it will coast.... $509.76+ P&P. Holy Moly!

Just for the rant, this one has the cage straight from outside and round to inside in order to make easier to align the inner race to rollers.

Now only the liner left to remove. Got to make the jig to pull it out.

Some pics to the show.

Cheers
VP

PS: IF, the valve guides were not "screwed" the German had take off this afternoon.  ;D ;D ;D ;D
« Last Edit: September 18, 2022, 09:05:57 AM by sirpedrosa »
By order of firing up:
Bernard 18A - 1968 (mama's water pump - year of my birth)
Petter PAZ1 - Jun 1967, 3HP, sn 416xxxx
Petter PAZ1 - Nov 1979, 3HP, sn 425xxxx
Lister 12/2 - 12651227, the pearl!
Deutz MAH 914, 1952 - Wating for the Zündfix to fire up.

ajaffa1

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Re: Resurrection of a Deutz MAH 914, 1952? Lets see!
« Reply #138 on: September 18, 2022, 09:01:24 AM »
Hi VP, Looks like you are making great progress, that bearing looks to be OK. Wen I was rebuilding my cooper engine the tapper bearings were severely damaged by rust, the two replacements were going to cost $500 each. I machined the housings to take slightly larger tapper bearings which only cost $50 each, worked perfectly.

Apologies for not being more involved in your rebuild but I have been a little busy putting up my new shed, I`m hoping to have most of it finished by the end of the week, I will post some pics soon.

Bob

cobbadog

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Re: Resurrection of a Deutz MAH 914, 1952? Lets see!
« Reply #139 on: September 18, 2022, 11:56:14 AM »
Lovely spray patern on the injector VP. We have and are still away on a short holiday which included attending the Clarendon Classic near Sydney, it was huge.
Coopernook - the centre of our Universe.

sirpedrosa

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Resurrection of a Deutz MAH 914, 1952? Lets see! SPREADING PAINT
« Reply #140 on: September 22, 2022, 01:17:17 AM »
Cobba, Bob, Gentles

Many thanks for your support.

Start to paint bits and 1st coat on crankcase. Flys gone to be sand blasted.

Cheers
VP

PS: And Injector is at certification lab, to put at right pressure.
« Last Edit: September 22, 2022, 12:47:31 PM by sirpedrosa »
By order of firing up:
Bernard 18A - 1968 (mama's water pump - year of my birth)
Petter PAZ1 - Jun 1967, 3HP, sn 416xxxx
Petter PAZ1 - Nov 1979, 3HP, sn 425xxxx
Lister 12/2 - 12651227, the pearl!
Deutz MAH 914, 1952 - Wating for the Zündfix to fire up.

cobbadog

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Re: Resurrection of a Deutz MAH 914, 1952? Lets see!
« Reply #141 on: September 22, 2022, 11:39:29 AM »
Looking good VP.
Coopernook - the centre of our Universe.

sirpedrosa

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Resurrection of a Deutz MAH 914, 1952? Lets see! FUEL FILTER DONE... AND PAINT
« Reply #142 on: September 23, 2022, 12:09:07 AM »
Cobba, Gentles

(While the toenail is healing...damn!) Took the injector to the lab, to certificate the right pressure (120Bar).

Once, again, they thought it was from other galaxy!  ;D ;D ;D ;D ;D (young guys that never saw a ancient injector, because Mr. Faria is on vacations).

Managed to make the steel plates for the liner extractor jig (pics will be posted).

Took the main crank (2 bushing for oil ring - cromoNikel), conrod (wrist pin bushing), oil ring shroud (oil ring seats), and hand crank boss (to weld, its broken) to VEICOMER (https://veicomer.com/en/); Manager (Mr. Pedro) was exploding with a lot of work and few people to do it. I'm lucky he has consideration for me - and exceptionally accept this job.

Fuel filter is done... Take a look!

1st coat of paint (special as I said) on crankcase too.

2 pics for Members. You are a good audience, and a great help.

Cheers
VP
« Last Edit: September 23, 2022, 12:16:04 AM by sirpedrosa »
By order of firing up:
Bernard 18A - 1968 (mama's water pump - year of my birth)
Petter PAZ1 - Jun 1967, 3HP, sn 416xxxx
Petter PAZ1 - Nov 1979, 3HP, sn 425xxxx
Lister 12/2 - 12651227, the pearl!
Deutz MAH 914, 1952 - Wating for the Zündfix to fire up.

cobbadog

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Re: Resurrection of a Deutz MAH 914, 1952? Lets see!
« Reply #143 on: September 23, 2022, 07:27:03 AM »
Slowly it is all comming together for you. Your workmanship is superb. We look forward to seeing further progress as it happens. Hope the toe heals (no pun intended) sooner than later.
Coopernook - the centre of our Universe.

sirpedrosa

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Resurrection of a Deutz MAH 914, 1952? Lets see! LINER OFF? LETS TRY!
« Reply #144 on: September 24, 2022, 01:53:14 PM »
Cobba, Gentles

As I said the jig to remove liner is done. Remove it its another deal! 18mm threaded rod 8.8, and couplers to put force.

NOT A MIL MOVED, till now.

Remember the seal at oil pump vane (https://listerengine.com/smf/index.php?action=dlattach;topic=9555.0;attach=7282;image) could clean it more and is genuine from factory. Observe states "Klöckner-Humboldt-Deutz AG", and Reverse "Köln".

Cheers
VP
« Last Edit: September 24, 2022, 03:14:56 PM by sirpedrosa »
By order of firing up:
Bernard 18A - 1968 (mama's water pump - year of my birth)
Petter PAZ1 - Jun 1967, 3HP, sn 416xxxx
Petter PAZ1 - Nov 1979, 3HP, sn 425xxxx
Lister 12/2 - 12651227, the pearl!
Deutz MAH 914, 1952 - Wating for the Zündfix to fire up.

cobbadog

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Re: Resurrection of a Deutz MAH 914, 1952? Lets see!
« Reply #145 on: Today at 07:58:52 AM »
Now that should pull the liner out.
Coopernook - the centre of our Universe.

dieselspanner

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Re: Resurrection of a Deutz MAH 914, 1952? Lets see!
« Reply #146 on: Today at 08:21:03 AM »
Hi SP

Looks like more great work!

it's hard to tell from your photo, but it looks like fine threaded bar you're using on the jig. there's a 0.5mm thread for 20mm bar if you haven't gone that fine

Also, a trip to the local fire safety company might help, ask if they have a CO2 fire extinguisher that is at the end of it's life. Once you have the jig on maximum tension open the doors and windows and empty the extinguisher through the centre of the liner.

Do not stand in front / in line with the threaded bar, in case the cold causes it to break, otherwise we'll have to get Cobbadog and Bob over to finish the rebuild.....

Cheers
Sterf



Tighten 'til it strips, weld nut to chassis, peen stud, adjust with angle grinder.

ajaffa1

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Re: Resurrection of a Deutz MAH 914, 1952? Lets see!
« Reply #147 on: Today at 09:53:26 AM »
Hi VP, that looks like a very robust puller, it should remove the liner without any problems. Stef is right that a temperature shock could help. Are you going to reuse the liner or replace it? If you are replacing it, run a couple of beads of weld around the inside of the liner where the liner meets the crankcase. As the weld cools it will shrink causing the liner to shrink and pretty much fall out.

My new shed is now erected and I will try to post some pics in the morning.
Keep up the good work,
Bob

sirpedrosa

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Resurrection of a Deutz MAH 914, 1952? Lets see! REMOVE LINER
« Reply #148 on: Today at 10:05:32 AM »
Gentles,

Thanks you all for the suport.

Bob, Ill use this liner - just want to change ring. SO IT CANT BE DAMAGE AT ALL!

Stef, 18mm 8.8 its not enough to pull it out? Holy Moly! That one of CO2 its a good tip. Thanks again.

Cobba, good spirit. I like that! always positive thinking.

Lets see!

Cheers
VP
By order of firing up:
Bernard 18A - 1968 (mama's water pump - year of my birth)
Petter PAZ1 - Jun 1967, 3HP, sn 416xxxx
Petter PAZ1 - Nov 1979, 3HP, sn 425xxxx
Lister 12/2 - 12651227, the pearl!
Deutz MAH 914, 1952 - Wating for the Zündfix to fire up.