Komatsu — B-6: BLEEDING AIR FROM HYDRAULIC PUMP, SWING PUMP

B-6: BLEEDING AIR FROM HYDRAULIC PUMP, SWING PUMP 1. Check that the hydraulic oil is at the specified level, * Start the engine and run at low idling for at least ten then loosen air bleed plugs @ and @ two turns. Remove plug @ . * When doing this, do not operate the control levers minutes. 2. Remove the oil filler cap from the hydraulic tank, and check that oil comes out from the hole of plug * Lower the hydraulic safety lock to the LOCK posi- in the operator’s compartment. @ , then tighten plug @ . tion. 4. Start the engine and run at low idling. When no 3. Add hydraulic oil to the specified level. * Clean the machine to make it easier to locate any problem points.

@ , tighten plugs @ and @ . * When doing this, do not operate the control more cloudy white oil comes out from plugs @) and oil level gauges clean and to prevent the entry of dirt Be particularly careful to keep the greasing points and levers in the operator’s compartment. or dust. * Lower the hydraulic safety lock to the LOCK position. 5. Stop the engine, add hydraulic oil to the specified level, then install the cap. Front of mact line View from left side of machine (Open the rear side cover at the left side of the machine) 41