Fault Phenomenon: Ruthmann T120 telescopic boom aerial work platform engine ingests water, causing bent connecting rods.

Troubleshooting Process:
– Checked fording: excessive fording.
– Checked cover: cover not properly closed.
– Checked rainy conditions: rain.
– Checked cleaning: during cleaning.

Root Cause: Water entered the air filter, causing the engine to ingest water.

Required Parts: Engine overhaul and air filter replacement.