It is safe to use the crossover valve after loss of fluid from either hydraulic system, provided pressure can be ________ and ________ in the affected system with the appropriate hydraulic pressure and aux pump switches on. When the LH system is affected, set the inboard spoiler switch to cut-off. When the RH system is affected set the CIPS generator switch to EMER and turn the rudder power switch to OFF
Answer: built up; maintained
If the answers is incorrect or not given, you can answer the above question in the comment box. If the answers is incorrect or not given, you can answer the above question in the comment box.