THE PRESSURE SWITCH IS LOCATED ON THE AFT MANIFOLD. SYSTEM PRESSURE CAN BE ADJUSTED BY TURNING THE SET SCREW LOCATED ON THE TOP OF THE PRESSURE SWITCH.
1 RAISED THE AIRCRFT ON JACKS.
2 RAISED AND LOWER THE GEAR AND OBSERVE THE PRESSURE READING ON THE PRESSURE GAUGE, ATTACHED TOTHE FITTING.
3 ADJUST THE PRESSURE SWITCH AS REQUIRED SO THE PRESSURE IN THE SYSTEM IS 2000 PSI WHEN THE HYD PUMP STOPS RUNNING.
4 LOWER THE LANDING GEAR AND MAKE SURE THE MAIN AND NOSE GEAR LOCK INTOPLACE.
