2-6. MULTIMEDIA FILTER BACKWASH
This procedure is performed when MEDIA FILTER OK light goes out during operation. Light goes out
when pressure at PI-2, on pretreatment assembly, is at least 35 psi (2.4 kPa x 100) less than pressure
shown at PI-1, on pretreatment assembly.
1 Push in high pressure pump engine throttle lock button. Slowly push in throttle until engine runs at low idle.
To prevent damage to turbocharger, let engine run for 5 minutes at low idle before shutdown.
2 Run engine at low idle for 5 minutes. Push in KILL START lever to shut down engine.