Porsche 928 Workshop Manual page 447

25
Fuel System
928
CONNECTING AND BLEEDING PRESSURE TESTER VW 1318
Connecting
Note:
Unscrew tank cap to let pressure escape from fuel
tank prior to disconnecting fuel lines.
1. Unscrew control pressure line and standard
adapters IM 10 x 1 I M 8 x 11 on control pressure
regulator.
2. Remove original hose on pressure tester
VW 1318 (it is not needed).
3. Screw in adapter of 9114/l IM 10 x 1 /
M 12 x 1.5) with seal on control pressure
regulator and connect right test line of P 378 c
4. Connect adapter of 911411 IM 8 x 1 I
M 10 x 1) between disconnected control
pressure line and left test line of P 378 c.
5. Connect adapter IM 12 x 1.51 and test line on
pressure tester.
Bleeding
1. Pull off electric wire plugs on control pressure
regulator and auxiliary air regulator to prevent
heating of parts for the following tests.
2. Bridge electric safety circuit.
a) Unscrew and fold up cover in footwell on
passenger's side.
a
25.12d Connecting and Bleeding Pressure Tester VW 1318
Printed in Germany