actuator oil pressure output check
hydraulic pressure circuit
hook winch circuit pressure
high pressure thermal expansion SF6 circuit breakers
ground drive circuit high pressure oil
fuel pressure switch circuit
fuel pressure input circuit
engine oil pressure input circuit
engine oil pressure circuit
closed circuit loop return pressure
brake oil pressure circuit
brake boost circuit pressure check
brake air pressure circuit
boost pressure input circuit
boom cylinder circuit pressure
atmospheric pressure auto-control circuit
warning alarm output circuit