SP001727 Page 27 Electrical System Indication of Multifunction Gauge and Letter Information Area Description Symbol Input Terminal Operation Remarks Hydraulic Oil Temperature FG000056 CN3 - 9 CN3 - 10 When hydraulic oil temperature is above about 96°C. Fuel Exhausted FG000057 CN3 - 7 CN3 - 8 When fuel is almost exhausted. Air Cleaner FG000053 CN2 - 17 CN1 - 8 (9) When air cleaner is clogged. Return Filter FG000054 CN5 - 3 CN1 - 8 (9) When return filter pressure is above about 1.50 kg/cm² (21 psi) Pilot Filter FG000055 CN2 - 18 CN1 - 8 (9) When pilot filter pressure is above about 1 kg/cm² (14 psi)