How do you clean SU carburettors?

How do you clean SU carburettors?

Check the bottom of the bowl for sediment and remove any by dislodging it with a small screwdriver. Wash out the bowl with clean petrol and wipe dry with a lint-free cloth. Replace the top with a new gasket and tighten the screws evenly. Refit the fuel pipe to the chamber top.

Who makes SU carbs?

Hitachi
They remained on production cars through to 1994 in the Mini and the Maestro by which time the company had become part of the Rover Group. Hitachi also built carburettors based on the SU design which were used on the Datsun 240Z, Datsun 260Z and other Datsun Cars.

Do carb needles wear out?

It quickly will wear the needle or nozzle if it can’t self center with it’s designed play.

Are SU carbs any good?

The SU’s are great carbs if you understand them and are good at carb set up. That being said, I love my Holley carb and edlebrock intake. You couldn’t pay me enough to get me to take the time on the SU set up to get it running right. I had SU’s on MGB as well it now has a weber, huge improvement.

What oil do you put in SU carbs?

The first is SU Damper Oil, which is a straight 20 grade and comes in a handy 125ml bottle. This oil is for use where the carburetter is fitted with a damper inside the piston and can be used on all SU, Zenith and CD carburetters.

How to service a fixed needle HS carburetor?

For fixed needle HS carburetters, refer to H Type Carbs: Routine Servicing for needle fitment and jet centring. (c) Remove the piston lifting pin circlip and spring and withdraw the pin from the body (8). (d) Release the pick-up lever return spring from its retaining lug (9).

What is the depth stop on a Type H-6 carburetor?

Because the throttle bosses on a Type H-6 carburetor body are longer than those on the more typical H-4 or HS-6 types, and because my bushings are made about 5/8″ long, I decided to ream these bushings a bit deeper than my normal 0.500″. So, I set the depth stop to 0.610″.

How do you replace the suction chamber on a carburetor?

(a) Thoroughly clean the outside of the carburetters. (b) Standard suction chambers. Remove the piston damper (1) and its washer (2), if fitted. (c) Unscrew the suction chamber retaining screws (3). (d) Lift the chamber assembly (4) vertically from the body without tilting it. Ball bearing suction chambers (early type).

How do I clean the carburetters of my carburetor?

(a) Thoroughly clean the outside of the carburetters. (b) Standard suction chambers. Remove the piston damper (1) and its washer (2), if fitted.