885 selectamatic

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Dano41
Posts: 25
Joined: Sat Feb 03, 2018 10:03 pm
Location: ireland

Re: 885 selectamatic

Post by Dano41 » Tue Mar 06, 2018 1:07 pm

Its a dynamo but I will be careful.

Dano41
Posts: 25
Joined: Sat Feb 03, 2018 10:03 pm
Location: ireland

Re: 885 selectamatic

Post by Dano41 » Wed Mar 07, 2018 7:53 pm

Ok folks finally got her home and happy so far.Very easy to start i 10 seconds turning and off she goes, after running for an hour that engine oil is still crystal clear, still don't understand that one.The gears are relatively easy to change but took her down the road for a spin and even at the highest gear setting she doesn't go as fast as 35/135 would this be correct.As I mentioned at start of thread I have no experience of Davey browns and have never had a cab on a tractor before, when I turned the revs up on the road is was noisy ear muff noisy not knocks or bangs,any thoughts on this?

joeproctor
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Location: drax, nr, selby, north yorkshire
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Re: 885 selectamatic

Post by joeproctor » Wed Mar 07, 2018 8:17 pm

dano41, speed is not the be all and end all (says the man with 12 points)lol the oil is clean because the engine is clean and hope it will stay like that (it may have had a flushing oil through it)
the cab will magnify the noise, dont rev the engine hard find a spot that everything becomes smooth so as if there is no vibration! i was told that when i could hardly see over the steering wheel!
what are you going to use the tractor for?

Dano41
Posts: 25
Joined: Sat Feb 03, 2018 10:03 pm
Location: ireland

Re: 885 selectamatic

Post by Dano41 » Wed Mar 07, 2018 9:36 pm

Joe.was just trying the tractor out not interested in speed.The tractor will be used with a trailer mainly for timber.I'll run my wood saw and splitter off it as well.

Dano41
Posts: 25
Joined: Sat Feb 03, 2018 10:03 pm
Location: ireland

Re: 885 selectamatic

Post by Dano41 » Sun Mar 11, 2018 9:48 am

The cold start wing nut is set solid, because it is connected to the pump I want to be careful not to damage any thing.How would you go about freeing it,is it ok to unscrew the next nut up from the wing nut?I presume that if the wing nut is set in the in position there would be black smoke from the exhaust.

philedge
Posts: 236
Joined: Sun Dec 03, 2006 11:27 am
Location: Chester UK

Re: 885 selectamatic

Post by philedge » Mon Mar 12, 2018 5:36 pm

If the cold start screw does the same as that on my 880, then it would be running very rough if the screw was screwed in! I'm guessing your screw is stuck in the normalrunning position?? Mine was stuck when I got it and a spray with WD40 and gentle tap with a hammer freed it so it could be turned with pliers. A few twists and a bit more lube and its been free for the last 15 years:)
'66 880 Selectamatic rat.

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db2d
Posts: 2084
Joined: Fri Feb 24, 2012 10:01 pm
Location: Monmouthshire

Re: 885 selectamatic

Post by db2d » Mon Mar 12, 2018 6:09 pm

I would not recommend dismantling the cold start device in position because there is a very small steel ball inside that can very easily be lost. The unit can safely be removed by unscrewing the largest nut and then dismantled in a vice.
As suggested, try turning the T piece anti clockwise. Seal kits for this unit are only available from davidbrownparts.com

philedge
Posts: 236
Joined: Sun Dec 03, 2006 11:27 am
Location: Chester UK

Re: 885 selectamatic

Post by philedge » Mon Mar 12, 2018 7:13 pm

db2d wrote:
Mon Mar 12, 2018 6:09 pm

As suggested, try turning the T piece anti clockwise.
If its stuck in the normal running position wouldnt it be clockwise to screw it in to the cold start position??
'66 880 Selectamatic rat.

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db2d
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Location: Monmouthshire

Re: 885 selectamatic

Post by db2d » Mon Mar 12, 2018 7:48 pm

Turn it clockwise for cold starting. Screw it inwards into the pump,it has a right hand thread.
If it is in the engaged position the engine will be running very erratically. The device works by locking the pump timing in a retarded position.
Last edited by db2d on Mon Mar 12, 2018 10:56 pm, edited 1 time in total.

Dano41
Posts: 25
Joined: Sat Feb 03, 2018 10:03 pm
Location: ireland

Re: 885 selectamatic

Post by Dano41 » Mon Mar 12, 2018 10:23 pm

Took out the large nut and got it freed up and back in place.This 885 has a vertical pump,you turn the wing nut in clockwise for cold starting and out for normal running.The engine started easily at around 0c with the wing nut stuck in the out position.Thanks for help.Could someone advise should I keep posting the questions about this tractor on this thread or begin new ones?

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db2d
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Location: Monmouthshire

Re: 885 selectamatic

Post by db2d » Mon Mar 12, 2018 11:11 pm

To avoid confusion it is definitely advisable to start a new post for different questions.

Oldgustav
Posts: 47
Joined: Wed Feb 13, 2019 4:01 am
Location: Pembrokeshire

Re: 885 selectamatic

Post by Oldgustav » Sun Feb 17, 2019 2:46 pm

Dano41 wrote:
Mon Mar 12, 2018 10:23 pm
Took out the large nut and got it freed up and back in place.This 885 has a vertical pump,you turn the wing nut in clockwise for cold starting and out for normal running.The engine started easily at around 0c with the wing nut stuck in the out position.Thanks for help.Could someone advise should I keep posting the questions about this tractor on this thread or begin new ones?
Hi, I have the same problem with an 885 cold start wing nut that is seized. Did you manage to free it up and did you undo the larger nut (second in) and then take it apart in a vice?
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