 Help with Weber IDF 40 rebuild, Do I need to install the starter valve |
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| michael7810 |
 Dec 27 2016, 09:37 PM
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Senior Member  Group: Members Posts: 1,081 Joined: 6-June 11 From: Scottsdale, AZ Member No.: 13,164 Region Association: Southwest Region 
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 I'm asking about parts 73-76 on the diagram. One of the retainers (#76) broke and when I disassembled the carb and items 74 & 75 went flying. I though I remember reading a while ago that these parts do not need to be reinstalled and the hole can be plugged. I tried the search function but could not find where I read it. Some thoughts if I don't need to reinstall these parts is to thread the hole and install a plug, or JB weld it shut, or JB weld the plunger (#73) in the hold to seal it off. My carbs have a block off plate on the side and no actual choke linkage (item 59). Thanks |
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| IronHillRestorations |
Dec 27 2016, 11:10 PM
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I. I. R. C. Group: Members Posts: 6,724 Joined: 18-March 03 From: West TN Member No.: 439 Region Association: None
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I just ran into this on a customer car.
You pull out the retaining ring, clip, and spring and make sure the tapered seat on the cold start plunger appears to have a nice clean seat. Then tap the plunger bore (3/8 x 24 IIRC) and put a set screw with a dab of thread locker to hold the plunger seated. Make sure to start the tap in a drill press or it's easy to get the tap started off plumb. You also have to get some gasket material and make a gasket for the cover plate. The car I worked on didn't have a gasket and was leaking fuel. If you do a search you'll find an old thread on the Samba. |
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| michael7810 |
Dec 28 2016, 05:36 AM
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Senior Member Group: Members Posts: 1,081 Joined: 6-June 11 From: Scottsdale, AZ Member No.: 13,164 Region Association: Southwest Region
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QUOTE(Perry Kiehl @ Dec 27 2016, 10:10 PM)  I just ran into this on a customer car. You pull out the retaining ring, clip, and spring and make sure the tapered seat on the cold start plunger appears to have a nice clean seat. Then tap the plunger bore (3/8 x 24 IIRC) and put a set screw with a dab of thread locker to hold the plunger seated. Make sure to start the tap in a drill press or it's easy to get the tap started off plumb. You also have to get some gasket material and make a gasket for the cover plate. The car I worked on didn't have a gasket and was leaking fuel. If you do a search you'll find an old thread on the Samba. Thanks Perry; that's exactly what I was thinking. I expanded my search this morning and found the procedure on the 356registry forum Weber cold start conversion which also states you can remove the cold start jets as they are not needed with this procedure. Good tip on using a drill press to tap the hole. Thanks |
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Posts in this topic
michael7810 Help with Weber IDF 40 rebuild Dec 27 2016, 09:37 PM
colingreene I dont use them.
I just pump the pedal once and ho... Dec 27 2016, 10:51 PM
Mark Henry No you have to keep the plungers (73), 74-5-6 you ... Dec 28 2016, 11:50 PM
michael7810 OK, carbs are rebuilt and adjusted. I was able to... Jan 5 2017, 03:15 PM |
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