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1942 Commer Q2 30cwt
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Rootes75



Joined: 30 Apr 2013
Posts: 3150
Location: The Somerset Levels

PostPosted: Thu Jan 21, 2021 10:19 am    Post subject: 1942 Commer Q2 30cwt Reply with quote

So, finally I have got around to starting a proper thread on the restoration of out 1942 Commer. I have posted quite a bit already on different threads regards the work we have already done, getting her started was a big task and now for the last month or so we have had to drop the gearbox and bellhousing because the starter kept jamming.

We found the starter would jam up regularly and had to remove it every time which is just not practical. The last time it was off I thought lets have a look at the starter ring which you can feel through the starter aperture.

My word, it shocked me, the condition of the teeth are awful. So there and then we decided, big task that it is to remove and replace.

Again Speedy Spares have been more than helpful. We have found that a Commer Q4 should have 146 teeth on the starter ring and a 10 tooth starter pinion. The Commer Q2 should have 115 teeth on the ring and a 9 tooth starter pinion.

Guess what.. we have a Q4 starter ring and a Q2 starter pinion! Also, when removed we found the ring to be welded on in 3 places and between the welds it had bowed! Its an old fix, probably a wartime in the field fix.


You can see one of the welds in the pic.


And in this pic you can see the awful state of the teeth and the gap around the ring where it has bowed!
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1937 Ford 7w
1937 Hillman 80
1946 ERF C.I.5
1947 Hillman Minx
1955 Hillman Minx Mk8
1950 Commer R541
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Rick
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Joined: 27 Apr 2005
Posts: 21787
Location: UK

PostPosted: Thu Jan 21, 2021 10:50 am    Post subject: Reply with quote

Look forward to following progress, as you say the ring gear was looking a little secondhand.

RJ
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Rick (OCC Admin)
Various 1920s-1960s - Austin, Morris, Commer, Dodge etc.
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peter scott



Joined: 18 Dec 2007
Posts: 6579
Location: Edinburgh

PostPosted: Thu Jan 21, 2021 5:00 pm    Post subject: Reply with quote

Rootes that really is a nightmare!

Peter Shocked
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Ray White



Joined: 02 Dec 2014
Posts: 4215
Location: Derby

PostPosted: Thu Jan 21, 2021 5:40 pm    Post subject: Reply with quote

It reminds me of the VW beetle / Camper starter & ring combinations - of which there seem to be an infinite number... Rolling Eyes
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Peter_L



Joined: 10 Apr 2008
Posts: 2613
Location: New Brunswick. Canada.

PostPosted: Thu Jan 21, 2021 5:46 pm    Post subject: Reply with quote

When you cut off the welding "tacks" was the ring loose ?,
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Rootes75



Joined: 30 Apr 2013
Posts: 3150
Location: The Somerset Levels

PostPosted: Thu Jan 21, 2021 8:04 pm    Post subject: Reply with quote

We thought the ring would be loose but it wasnt. Where it had warped it wouldn't come off straight if you know what I mean. We got it most of the way off by trying to tap it evenly round with a hammer and flat chisel.
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1937 Ford 7w
1937 Hillman 80
1946 ERF C.I.5
1947 Hillman Minx
1955 Hillman Minx Mk8
1950 Commer R541
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Peter_L



Joined: 10 Apr 2008
Posts: 2613
Location: New Brunswick. Canada.

PostPosted: Thu Jan 21, 2021 9:54 pm    Post subject: Reply with quote

I remember drilling the face of the old rings and splitting it with a cold chisel.
Hope all goes well with the new installations.
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Rootes75



Joined: 30 Apr 2013
Posts: 3150
Location: The Somerset Levels

PostPosted: Thu Jan 21, 2021 10:28 pm    Post subject: Reply with quote

We pretty much did that Peter, we tapped the ring off quite a way but it wouldnt come off.
So, I used a small hacksaw to cut between two teeth and then a few good hits with the cold chisel split it.

The new old stock ring arrived today from Speedy Spares.
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1937 Ford 7w
1937 Hillman 80
1946 ERF C.I.5
1947 Hillman Minx
1955 Hillman Minx Mk8
1950 Commer R541
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Peter_L



Joined: 10 Apr 2008
Posts: 2613
Location: New Brunswick. Canada.

PostPosted: Thu Jan 21, 2021 10:56 pm    Post subject: Reply with quote

Perhaps a check that it doesn't fit when everything is at ambient. The inside of the ring may well have bevels with one being ever so slightly larger than the other. That should be the leading side when fitting.
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Rootes75



Joined: 30 Apr 2013
Posts: 3150
Location: The Somerset Levels

PostPosted: Sun Feb 07, 2021 8:34 pm    Post subject: Reply with quote

Whilst waiting for the starter ring to be done we have busied ourselves with stripping the oil and petrol can mounts from the body. We also reved the rear wings.

The plan is to lift the body off soon so to give access to the chassis and so we can replace the rotten timbers whilst its off the lorry.
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1937 Ford 7w
1937 Hillman 80
1946 ERF C.I.5
1947 Hillman Minx
1955 Hillman Minx Mk8
1950 Commer R541
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Peter_L



Joined: 10 Apr 2008
Posts: 2613
Location: New Brunswick. Canada.

PostPosted: Sun Feb 07, 2021 9:42 pm    Post subject: Reply with quote

Rootes75 wrote:
Whilst waiting for the starter ring to be done we have busied ourselves with stripping the oil and petrol can mounts from the body. We also reved the rear wings.

The plan is to lift the body off soon so to give access to the chassis and so we can replace the rotten timbers whilst its off the lorry.


I presume putting the engine and gearbox together will be easier without the body ?
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Rootes75



Joined: 30 Apr 2013
Posts: 3150
Location: The Somerset Levels

PostPosted: Tue Feb 09, 2021 11:01 am    Post subject: Reply with quote

It will be a little easier mainly due to giving us more light and also re-attaching the propshaft which is quite heavy. That can be lowered in on the engine crane from above.
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1937 Ford 7w
1937 Hillman 80
1946 ERF C.I.5
1947 Hillman Minx
1955 Hillman Minx Mk8
1950 Commer R541
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Rootes75



Joined: 30 Apr 2013
Posts: 3150
Location: The Somerset Levels

PostPosted: Tue Feb 09, 2021 11:03 am    Post subject: Reply with quote

Hopefully this works, this is a short video showing the engine running prior to us removing the gearbox. It took an awful lot of time and effort to get her running, but its worth it. At this stage the exhaust wasn't tightened up so there was plenty of air hissing but she sounded quite sweet.

https://www.flickr.com/photos/52197579@N07/50921326988/in/dateposted-public/
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1937 Ford 7w
1937 Hillman 80
1946 ERF C.I.5
1947 Hillman Minx
1955 Hillman Minx Mk8
1950 Commer R541
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Rick
Site Admin


Joined: 27 Apr 2005
Posts: 21787
Location: UK

PostPosted: Tue Feb 09, 2021 11:20 am    Post subject: Reply with quote

What a fabulous old lorry, great to see it running like that

RJ
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Rick (OCC Admin)
Various 1920s-1960s - Austin, Morris, Commer, Dodge etc.
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peter scott



Joined: 18 Dec 2007
Posts: 6579
Location: Edinburgh

PostPosted: Tue Feb 09, 2021 4:34 pm    Post subject: Reply with quote

Sounds nice.

Peter
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1939 SS Jaguar 2 litre saloon
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