330D, 336D and 340D Excavators Hydraulic System – Gear Pump (Pilot)

Illustration 1 g01230561

Pilot pump

The pilot pump is a gear type pump that supplies oil flow to the pilot system. The pilot pump is located inside the main pump compartment and mounted externally to the main pump. The pilot pump shaft is mechanically connected to the idle pump shaft. The pump delivery rate with load is approximately 34 L/min (9.0 US gpm).