Fuel Filler Neck Details

WARNING! Fire hazard. When working on the fuel system DO NOT smoke, work near heaters or have anything in the area that can ignite the fuel or fumes.





Fuel Filler Neck Details

1 - Fuel filler neck
- With expansion chamber
2 - L-connector
3 - O-Ring
- Always replace
4 - Gravity valve
- Not available as replacement part
- To remove unsnap valve and pull from filler neck
Checking operation:
- Valve upright: open
- Valve turned 45° from vertical: closed
5 - Tank protection valve
- Mounted to fuel filler neck
- Ventilates tank to equalize pressure
6 - Seal
- Installation position: sealing lip faces fuel filler neck
7 - O-Rings
- Various sizes
- Always replace
8 - Hose coupling
- To remove, press down on release tab
9 - Vent valve
10 - Hose coupling
- To remove, press down on release tab
11 - Ground wire
- Make sure that both terminals have good electrical contact
- Mount terminal with bolt for fuel filler neck.
- After installing, measure resistance using multimeter (Fluke 83 or equivalent) between metal ring of fuel filler neck and bare metal part of body. Specified value: approx. 0 Ohms