7.19.2 Differential pressure gauge – Check

WARNING Fuels are combustible.

Risk of fire and explosion!

• Avoid open flames, electrical sparks and ignition sources. • Do not smoke.

Checking differential pressure gauge

1. Switch on fuel treatment system (→ Page 93). 2. Set the alarm points at the differential pressure gauge to zero. Result: Alarm is initiated with preset delay. 3. Reset the alarm points at the differential pressure gauge to the specified values.