Firewall forward fuel line routing?

[Brian2034]

Searched through the site and found a couple of pictures.  Some of the older treads have missing images.

Trying to find a diagram or a couple of pictures of the firewall  forward fuel line routing for the M20C. 
 

 

[47U]

46 minutes ago, Brian2034 said:

Trying to find a diagram or a couple of pictures of the firewall  forward fuel line routing for the M20C. 

What year M20C?  The routing of the early C-models with the gascolator in the nose wheel well is different than later C-models with the gascolator/pull ring sump drain next to the fuel selector on the floor of the cockpit.

[Brian2034]

It’s a 63  with the sump in wheel well

[47U]

56 minutes ago, Brian2034 said:

t’s a 63  with the sump in wheel well

Don’t take this wrong, but lucky you.

This is a parallel fuel delivery system.  On the firewall side, there’s a hose that delivers fuel from the elbow in the pilot’s footwell to the engine driven fuel pump.  The outlet of the pump goes down to the T-fitting above the left exhaust cavity.  This T-fitting also receives fuel from the electric boost pump.  The outlet of the T-fitting goes to the carburetor.  If you have a fuel flow transducer, it will (should) be between the T-fitting and the carburetor.  

The hose from the footwell T-fitting to the engine driven fuel pump below.  If this hose is too long, it may interfere with removal of the suction screen in the oil pan.  It is also a short hose (9 3/8” per the IPC), so subjected to engine vibration.  Mine had failed internally without any observed external leakage.  When it fails, the fuel pump sucks air through the hose thereby inducing gyrations in the fuel pressure and fuel flow readings.  

The IPC calls for a hose 14” long from the engine driven fuel pump outlet to the T-fitting.  It can be routed with minimal chaffing opportunity, but fire sleeve is always a good idea.

[Brian2034]

Thank you 

I’m just confirming what I have and after 50 years I find things get modified!!! 
And sometimes not for the best. We are installing a fuel transducer but wanted to verify the fuel line routing. Yes, we’ve added fire sleeve but the sleeve definitely makes the installation process more difficult.