Can anybody tell me the procedure for bleeding air out of the hydraulic pump and downstream system after replacing the pump discharge hose on the rear pump. I assumed that after refilling the tank and removing the diagnostic test port immediately after the pump the oil would gravity purge the pump and would then be able to safely start machine and start opening bleeder valves at the hydraulic cylinders to further bleed system...(this was suggested by cat tech). However no oil has passed...
Cat 215B Bleeding Hydraulic Pump
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