Top Pulley help - Chewin' em up and spittin' em out - PHOTOS

[matt-me]

i agree with crede. in the third pic especially it looks like the alternator needs to drop forward and down slightly towards the bottom pulley which suggests the fan housing is not sitting square in its opening. This will probably then mean a shorter fan belt as trikky suggests.

good luck

Al

 

[Gütterßnipe]

Cheers guys

I guess on Monday I'll be getting my hands dirty checking out the fan housing and see if it's the root cause, I never thought that this would be a problem if it's fixed to the stand correctly?

How would the alternator sitting on its stand give an indication that its sitting incorrectly
prior to me pulling it all about?

Also cheers for info re breather/filler leak

Spence

 

[crede999]

hi spence ( youve got the vws doing my head in bug :lol

How would the alternator sitting on its stand give an indication that its sitting incorrectly
prior to me pulling it all about?

because its pointing back and up , it shouldnt do that it should sit flat and level , its probably when the alternator was fitted by the PO as they came with dynamo as standard .......anyhow dont worry we will sort it out ......just check the fan shroud fits inside the cylinder head tins nicely front and back this is important , because if say the backs in and the front isnt it will cause the fan shroud to tilt back because the front of the fan shroud tin will be resting on the cylinder head tins instead of inside them, so it will sit higher then the alternator wont sit right

take it easy

chris

 

[Gütterßnipe]

I'll never give up on my VW but this has proved a bugbear :x
Thanks for the advice/support and I'll certainly get to the bottom
of it I'm sure - it's not doing my head in completely so I hope this sorts it out
once and for all

Will post pics and an update on Monday after I've looked at the beast.

Cheers again


Spence

 

[crede999]

No problem spence ,


Chris

 

[crede999]

Any joy spence ?

 

[Gütterßnipe]

Hello Chris,

Alas I've no garage/driveway so im at the mercy of the weather - too wet and cold for working on the road this week
Hopefully get to look at it tomorrow or the weekend and will update.

Cheers

Spence

 

[naskeet]

Im pretty sure the pedestals are differant for dynamo and alternators, does it look original vw

One can use an "Alternator" pedestal with a dynamo, but NOT a "Dynamo" pedestal with an alternator, because the alternator would extend too far out; assuming it could be fitted!

By the way, I have a surplus, genuine VW, "Alternator" pedestal available, if needed!?!

 

[Gütterßnipe]

Hey,
Thanks for your reply, definately interested in your "spare"
Alternator stand - let me know the score!

Thanks

Spence

 

[crede999]

hi spence , guess what i chewed my top pulley up at the weekend :shock: it was a stock one been on since i built the bus three years ago , 16000 miles , anyhow the cause was the little keyway had rounded a little which caused a the pulley to be a little loose till eventually it let go :shock: so changed the keyway put another og pulley on and sorted just something else for you to check , while the pulley was off i gave the shaft on the dynamo a tug and its nice and firm so bearings are good , you could try this too as that might also cause the pulley to smash itself up

anyhow good luck

chris

 

[ginga]

ditto with the keyway, I got through 7 or 8 pulleys last year before I sorted it. Each one lasted about 200 miles. Keyway had worn too wide. Had a new dynamo fitted by non specialist garage who used the old worn key and it was never right. By the time I'd realised what the problem really was I'd spent about half the price of an alternator conversion.
Good luck with sorting it.

Ginga

 

[naskeet]

I looked in my spares box, in which I found the following items:

Genuine-VW, oil filler cum alternator stand (VW part No. 113 101 211 G and VW-Audi logos), for VW 1600 Type 1 style engine

Genuine-VW, galvanised-steel, strap (VW part No. 113 903 141 B) & bolt, for securing dynamo / alternator

Genuine-VW, sheet-steel oil-filler cum breather box (with circa ½ inch diameter hose-connection spigot)

Genuine-VW, sheet-steel oil-filler cum breather box (with circa ¾ inch diameter hose-connection spigot), as used on post-1973/74 VW 1600 Type 2, AS-series engines, with paper-element air-filter housing.

Home-made, 3 mm thick aluminium spacer-ring, for interposing between a substituted alternator and the fan-housing's dished "dynamo-style" circular plate.

Genuine-VW, shortened brown-plastic (i.e. phenolic resin) spacer cum guide tube & corresponding shortened pushrod, to enable the continued use, of an un-canted, "dynamo-style" fuel pump, after substituting an alternator, in place of a dynamo.

Genuine OEM, little-used second-hand fuel pump, with VW & APG logos (A. PIERBURG KG. - Neuss | marked PE20000 & 2309), for VW 1600 Type 1 style engine, equipped with a dynamo. Tested in use, for just a few hundred miles, this was part of my touring spares kit, until I substuitued a VW Type 4 style engine.

Two fuel-pump installation gaskets (large, irregular-shaped, central hole), for VW 1600 Type 1 style engine.


Page & Frame 002-00, of the official 1968~79 VW Type 2, Replacement Parts Catalogue & Microfiche.

Dynamo Stand - Page 002, Item 75

The illustration shows a dynamo stand cum oil filler, which can only be used for a dynamo, whilst the alternator stand, which has a differently profiled section, can be used for either an alternator or a dynamo.

 

[Gütterßnipe]

hi spence , guess what i chewed my top pulley up at the weekend it was a stock one been on since i built the bus three years ago , 16000 miles , anyhow the cause was the little keyway had rounded a little which caused a the pulley to be a little loose till eventually it let go so changed the keyway put another og pulley on and sorted just something else for you to check , while the pulley was off i gave the shaft on the dynamo a tug and its nice and firm so bearings are good , you could try this too as that might also cause the pulley to smash itself up

Hey Chris, how you doing,
No way - worn woodruff key? 16,000 miles - i guess that aint too bad - I reckon that could be part of the problem as my rear pulley also has a bit of play turning from left to right, still haven't fully sorted it yet as its too miserable outside, mind you I've done some work on the inside removing my Propex to send back for repair as its also just packed up.
I'm not working this weekend so fingers crossed I'll get my arse into gear and fix it.
Thanks again for your advice - albeit at the cost of your top pulley!

Spence

 

[Gütterßnipe]

ditto with the keyway, I got through 7 or 8 pulleys last year before I sorted it. Each one lasted about 200 miles. Keyway had worn too wide. Had a new dynamo fitted by non specialist garage who used the old worn key and it was never right. By the time I'd realised what the problem really was I'd spent about half the price of an alternator conversion.
Good luck with sorting it.

Ginga

And thanks to you Ginga, its good to know I'm not alone.

Fingers crossed

Spence

 

[Gütterßnipe]

Ok fellas

Finally getting it sorted after a kind of Earlybay hiatus. :shock:

It turns out my backing plate was incorrect thus the alternator was sitting incorrectly on it's mount - lets blame it on a lazy Californian dude.
The slot on the shaft where the key goes in was worn to buggery allowing key to dance all over the place.
New alternator & backing plate going in this week!

Spence

 

[crede999]

 

[Gütterßnipe]

Passed MOT today and new alternator fitted
Along with clutch/full service and other odds n sods.

Happy days!
arty0047:

 

[crede999]

nice one

chris

 

[sharky71]

SORRY FOR HI JACKING BUT HOW MANY SHIMS SHOULD YOU HAVE OVERALL :? :?
I'M SURE I DON'T HAVE THAT MANY,FROM MEMORY I'D SAY 5 TOPS,BUT AS USUAL IT ALL CAME WITH BUS WHEN I BOUGHT IT :? :evil:

SHARKY