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Author Topic: Old Alpina chainsaw help needed  (Read 482 times)

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Offline Fulcrum156

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Old Alpina chainsaw help needed
« on: May 01, 2018, 10:40:50 AM »
Hi,

I have this 1980s alpina chainsaw. After unscrewing and later bolting it back in one piece, I found a problem:
There are two controls for throttle. The upper one .. does not control the actual throttle body. It's there just for safety. When pressed, it moves a mechanism that allows you to press the throttle. When released, the bottom throttlle control doesn't 'work', it is sent to 'idle'.
The bottom one is the real throttle control. You press it, it opens the opening on the carburettor. It opens the opening as much as you press it.
I suspect that the upper one should have a spring to return it to default position.

*ignore the message about where those two parts belong. I found out they re just used for bolting the upper cover up. 

Help appreciated.

 

 

 

 
r> br>
 


Offline Vladislav500

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Re: Old Alpina chainsaw help needed
« Reply #1 on: May 03, 2018, 03:21:30 PM »
Hi! Try to assemble throttle as shown on the picture
Guess You havent installed spring , position 42
Those two parts are cover supports (positions 28 & 29)
Also attached pdf, Alpina 45 is on the last page.
Husky 353 Black Custom
Poulan S25DA
Montgomery Ward Powr Kraft 5.0
Dayton 2Z563A
Craftsman: 2.0/14", 2.1/14" , 2.3/16"
Homelite: XL 12, 923, XP1020
Remington Mighty Mite 500
McCULLOCH: PM 310, Euromac PM 374,Euromac PM 480
Soviet ZID "The Beast" 245 Taiga

Offline Fulcrum156

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Re: Old Alpina chainsaw help needed
« Reply #2 on: May 04, 2018, 03:45:36 PM »
I see, spring missing, maybe it blew away when I disassembled it. Thank you very much for your post, very helpful. 

Offline Vladislav500

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Re: Old Alpina chainsaw help needed
« Reply #3 on: May 05, 2018, 04:01:10 AM »
You're welcome!
Husky 353 Black Custom
Poulan S25DA
Montgomery Ward Powr Kraft 5.0
Dayton 2Z563A
Craftsman: 2.0/14", 2.1/14" , 2.3/16"
Homelite: XL 12, 923, XP1020
Remington Mighty Mite 500
McCULLOCH: PM 310, Euromac PM 374,Euromac PM 480
Soviet ZID "The Beast" 245 Taiga


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