Topica Loopframe_Guzzi Archive


Subject: Re: Changing Eldo Generator belt

Author: Patrick Hayes

Date: Jul 31, 2001, 5:33 PM

Post ID: 1707711483



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In a message dated 7/31/01 5:21:52 PM Pacific Daylight Time,
haw-@frontiernet.net writes:


 How can one tell if the distributor is off a tooth or so?

Set the left cylinder TDC on the compression stroke.
Confirm the timing marks are in the correct place on the belt pulley.
Remove distributor cap.
Turn engine backwards a half turn and then turn forward to TDC.
While turning, watch the points or use a static timing light.
When the points just crack open or the light ignites, you are at the firing
position.
Hopefully, your timing marks are correct.
Now, look at the adjuster bolt for the distributor.
This bolt has an arc channel to allow for adjustment.
Does the adjuster bolt seem reasonably located within the arc of its
adjusting anchor?
With the cap replaced, are the spark wires facing more or less straight
backwards?
If yes, close everything up.
If no, unbolt from the crankcase and pull the distributor about an inch or so
straight upward.
Turn the rotor by the equivalent of one gear tooth and reinsert the
distributor.
Caution, the cam and distributor gears have sloped teeth, so the rotor will
turn by itself to some amount as you pull the distributor straight up.
You need to account for this "self rotation" when you re-insert the
distributor.

Patrick Hayes
Fremont CA


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<FONT FACE=arial,helvetica><FONT SIZE=2>In a message dated 7/31/01 5:21:52 PM Pacific Daylight Time,
<BR>haw-@frontiernet.net writes:
<BR>
<BR>
<BR><BLOCKQUOTE TYPE=CITE style="BORDER-LEFT: #0000ff 2px solid; MARGIN-LEFT: 5px; MARGIN-RIGHT: 0px; PADDING-LEFT: 5px">How can one tell if the distributor is off a tooth or so? </FONT><FONT COLOR="#000000" SIZE=3 FAMILY="SANSSERIF" FACE="Arial" LANG="0"></BLOCKQUOTE>
<BR></FONT><FONT COLOR="#000000" SIZE=2 FAMILY="SANSSERIF" FACE="Arial" LANG="0">
<BR>Set the left cylinder TDC on the compression stroke.
<BR>Confirm the timing marks are in the correct place on the belt pulley.
<BR>Remove distributor cap.
<BR>Turn engine backwards a half turn and then turn forward to TDC.
<BR>While turning, watch the points or use a static timing light.
<BR>When the points just crack open or the light ignites, you are at the firing
<BR>position.
<BR>Hopefully, your timing marks are correct.
<BR>Now, look at the adjuster bolt for the distributor.
<BR>This bolt has an arc channel to allow for adjustment.
<BR>Does the adjuster bolt seem reasonably located within the arc of its
<BR>adjusting anchor?
<BR>With the cap replaced, are the spark wires facing more or less straight
<BR>backwards?
<BR>If yes, close everything up.
<BR>If no, unbolt from the crankcase and pull the distributor about an inch or so
<BR>straight upward.
<BR>Turn the rotor by the equivalent of one gear tooth and reinsert the
<BR>distributor.
<BR>Caution, the cam and distributor gears have sloped teeth, so the rotor will
<BR>turn by itself to some amount as you pull the distributor straight up.
<BR>You need to account for this "self rotation" when you re-insert the
<BR>distributor.
<BR>
<BR>Patrick Hayes
<BR>Fremont CA</FONT>


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