Problem with Idle Speed Adjustment on JX Pump

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   I recently had the tappets set and IP timing adjusted on my Atlantic JX and, whilst it now seems to perform a bit better than it did, I had a problem with the vibration on idle.
The idle speed was pretty low (probably about 500rpm) so I adjusted the idle screw a 2 or 3 notches (clockwise) to speed the engine up a little.  All fine (much less vibration) except that I then wanted to lower the speed again as it was a little bit fast.

Blow me if the screw assembly didn't come apart with the screw head (and spring) unscrewing itself from the adjuster shaft.

I managed to screw the head back on and could turn clockwise to increase the speed if I wanted (I don't) but, if I try and turn anti-clockwise, it comes apart again.

Any suggestions?

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grm2507 Members Profile Send Private Message Find Members Posts Add to Buddy List Groupie Joined: 16 Feb 10 Location: Glos. Status: Offline Points: 134	Post Options Post Reply Quote grm2507 Report Post Thanks(0) Quote Reply Topic: Problem with Idle Speed Adjustment on JX Pump Posted: 09 Jun 17 at 14:35
	I recently had the tappets set and IP timing adjusted on my Atlantic JX and, whilst it now seems to perform a bit better than it did, I had a problem with the vibration on idle. The idle speed was pretty low (probably about 500rpm) so I adjusted the idle screw a 2 or 3 notches (clockwise) to speed the engine up a little. All fine (much less vibration) except that I then wanted to lower the speed again as it was a little bit fast. Blow me if the screw assembly didn't come apart with the screw head (and spring) unscrewing itself from the adjuster shaft. I managed to screw the head back on and could turn clockwise to increase the speed if I wanted (I don't) but, if I try and turn anti-clockwise, it comes apart again. Any suggestions?
	1987 Vanagon GL DJ 2.1 - Dove Blue Metallic 1991 Westfalia Atlantic JX 1.6TD - Alpine White 1991 Westfalia Atlantic JX 1.6TD (Pop-top) - Alpine White