Clymer, 1972 ("Volkswagen Service Repair Handbook...")
Chapter 7, Figure 5

1. Fuel tank
2. Fuel pump
3. Filter
4. Pressure regulator
5. Fuel loop line
6. Electro-magnetic injectors
7. Screw for pressure gauge connection
8. Damper

Copyright Clymer Publications, Overland Park, Kansas. Used with permission.