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Apr 21, 2012 10:50 am
Apr 21, 2012 10:50 am
Subject: Re: Fan adjustment meadows S4 engine - success
Stephen,
Thanks for the offer of a photo. I have now got it out so mission accomplished.
The pinch bolt had come out easily in situ. I decided to take the whole fan unit out (I think it would be very difficult without removing it) and squirted release oil down round the shaft and pinch tube and left it to work its way in. I turned it occasionally so it ran down from both ends. It penetrated surprisingly well. I then tapped along the join line of the pinch tube by inserting a small screwdiver in from the top gently tapping around the join**. The bottom half then dropped out. The other half was easier as I had a flat surface to push against once half the tube was out.
The shaft was still solid but careful use of heat round the aluminium casting and tapping a bar inserted in the "adjustment holes" to rotate the shaft and it eventually loosened. I had to heat it several times.
**Avoid the area near the shaft. The tapered edge is very thin and will damage easily.
David
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Stephen,
Thanks for the offer of a photo. I have now got it out so mission accomplished.
The pinch bolt had come out easily in situ. I decided to take the whole fan unit out (I think it would be very difficult without removing it) and squirted release oil down round the shaft and pinch tube and left it to work its way in. I turned it occasionally so it ran down from both ends. It penetrated surprisingly well. I then tapped along the join line of the pinch tube by inserting a small screwdiver in from the top gently tapping around the join**. The bottom half then dropped out. The other half was easier as I had a flat surface to push against once half the tube was out.
The shaft was still solid but careful use of heat round the aluminium casting and tapping a bar inserted in the "adjustment holes" to rotate the shaft and it eventually loosened. I had to heat it several times.
**Avoid the area near the shaft. The tapered edge is very thin and will damage easily.
David
Attachments: