MTD AC3 - Manual (Page 45)

Fuel System And Carburetor
41
Carburetor insulator
NOTE: A cracked spacer or a leaking gasket between the
spacer and the cylinder could result in a lean run or
prevent the impulses from the engine from driving
the fuel pump.
To remove/replace the carburetor insulator:
1. Remove the carburetor by following the procedures
described in the carburetor section of this chapter.
2. Remove the throttle cable by pressing in the tabs
located in the slots while lifting the cable out.
See Figure 5.30.
3. Remove the gasket between the carburetor and the
spacer.
4. Remove the carburetor insulator block using a T-25
torx driver. See Figure 5.31.
5. Install the insulator by following the previous steps in
reverse order.
6. Test run the engine before returning it to service.
Figure 5.30
Press in the tabs
Gasket
Figure 5.31
Insulator block