TESTING AND ADJUSTING BLEEDING AIR FROM HMT PUMP BLEEDING AIR FROM HMT PUMP Hydraulic oil temperature: 45 - 55°C Check that the hydraulic oil is at the specified level. When the HMT pump or HMT motor have been removed or replaced, or when the hydraulic pip-...
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TESTING AND ADJUSTING BLEEDING AIR FROM HMT PUMP BLEEDING AIR FROM HMT PUMP Hydraulic oil temperature: 45 - 55°C Check that the hydraulic oil is at the specified level. When the HMT pump or HMT motor have been removed or replaced, or when the hydraulic pip- ing has been removed, always bleed the air as follows: Loosen air bleed plug (bleeder) (I) at the top of the HMT pump. Wait for 15 minutes, then start the engine and run it at idling. When oil comes out from the air bleed plug hole, tighten the air bleed plug. 20-139 0
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