[Healeys] Strange Timing Setting

[Per Schoerner]

Patrick
When you install the chain you should have the key ways of both crankshaft and camshaft approximately at TDC. This is not the same as having piston 1 at TDC. Then you should place the bright links of the chain on the marked teeth on the sprockets and push them home on the shafts. Rather than copying the whole section A21 I urge you to read it again. I think it’s the TDC thing that you mixed up.

Best, Per

Skickat från min iPad

> 10 feb. 2018 kl. 23:42 skrev Patrick & Caroline Quinn <p_cquinn at tpg.com.au>:
> 
> Hello Per
>  
> I thought about that, but as No 1 is at top dead centre when the pointer is towards the notch in the harmonic balancer I can’t see how it can be.
>  
> Many thanks
>  
> Patrick Quinn
>  
> From: Per Schoerner [mailto:per at schoerner.se] 
> Sent: Sunday, 11 February 2018 6:18 AM
> To: Patrick & Caroline Quinn
> Cc: healeys at autox.team.net
> Subject: Re: [Healeys] Strange Timing Setting
>  
> Patrick
> You have installed the cam chain incorrectly. I assume you have the workshop manual. Look in section A.25 for the correct procedure.
>  
> Best, Per
> 
> Skickat från min iPad
> 
> 10 feb. 2018 kl. 11:35 skrev Patrick & Caroline Quinn <p_cquinn at tpg.com.au>:
> 
> Greetings
>  
> Perhaps someone has come across this before.
>  
> About to start the engine in the BN3 after a complete rebuild. The engine is a very early C-series six-cylinder and the rebuild included new bearings throughout, pistons, sleeves, valves, vernier adjustable timing chain etc.
>  
> When setting the timing all the settings were done by the book. Tappets at 12 thou, the pointer on the timing chain cover is pointing to the notch in the harmonic balancer, the gear shaft drive from the oil pump/camshaft is at 20 to 2 and the offset distributor drive is correct. Number 1 piston is top dead centre and the rocker gear is rocking.
>  
> Imaging please looking down at the open distributor and it’s a clock face. According to the book, the rotor button arm should be at 2 o’clock or firing No 1 spark plug.
>  
> However the rotor button is a 10 o’clock.
>  
> So it’s not 180 degrees out, but 120 degrees.
>  
> Of course you could get around it by changing the spark plug leads, but the result looks untidy. An alternative is to rotate the geared shaft drive clockwise by 120 degrees.
>  
> Any suggestions?
>  
> Thanks
>  
> Patrick Quinn
> Blue Mountains, Australia
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