For Richer or Leaner: Help....[200/77]

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For Richer or Leaner: Help....[200/77] posted by Doug Margush on
Tuesday, 5 January 1999, at 6:47 p.m.

I need someone to either just tell me or look in their book and confirm what we all think.

Have a 77 240. B21F has the K-jet injection. The little set screw in the fuel distributor that moves the counter balance. Which way to make it richer? Left or right? Mr. Haynes seems to skip that in his manuals. So maybe we need to look in the volvo books. I belive this is too old for Mr Bentley.

Next, what is allen wrench does it really take?

Thanx

Re: For Richer or Leaner: Help....[200/77] posted by Don Foster on
Tuesday, 5 January 1999, at 7:49 p.m.

Doug --

Quoting directly from Volvo manual, "CI System Repairs and maintenance", Section 2, group 23, page 50:

"Rev up the engine for a short while before checking the CO content. Caution! remove 5015 to prevent damage to the air-fuel control unit.

Anti-clockwise (left) reduces the CO content.
Clockwise increases the CO content."

5015 is the adjustment tool, otherwise known as a long 3mm hex wrench.

Also, the spec for '77-'79 is 0.7% to 1.3% CO with an aim of 1.0%.
--

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