Porsche 928 - WORKSHOP MANUAL 1977 Workshop Manual page 141

44
Wheels, Tires, Alignment 929
Removing and installing pressure-operated switch (tire pressure warning
system)
Important note/preparation
The tire must be removed from the rim before removing or installing a pressure-operated switch. The
following points must be observed under all circumstances when dismounting or mounting the tire:
- Clean dirty wheels before removing the tire. Mark the position of the tire on the rim for reassembly.
- Apply the forcing blade of rhe tire momring unif at the central point belween both pressure-opera-
red swirches. The deflector (arrow) must remain fitted while removing and fining the tire to protect
the pressure-operated switch.
- The diaphragm of the pressure-operated switch must not come into contact with grease, tire as-
sembly paste or similar under any circumstances.
a
- Always replace the fastening nuts and torroidal sealing rings for the pressure-operated switches.
- The fire inflation pressure must not exceed 6 bar in order lo present damage lo the pressure-
operated switch.
a
44-30
Removing and installing pressure-operated switch (fire pressure warning system)
Printed in Germany . )(x11,1989