Schematic Diagram Of Oildyne Hydraulic System - Piper PA-44-180 SEMINOLE Maintenance Manual

LOW
PRESSURE
CONTROL
600± 200 psi
MAIN GEAR
HYDRAULIC CYLINDER
Figure 29-2. Schematic Diagram of Oildyne Hydraulic System
PIPER AIRCRAFT
PA - 4 4 - 1 8 0 / 1 8 0 T
AIRPLANE MAINTENANCE MANUAL
.020 Diameter
BLEED HOLE
RESERVOIR
MANUAL FREE-FALL
EMERGENCY EXTEND
ORIFICE
NOSE GEAR
HYDRAULIC CYLINDER
2B22
HIGH PRESSURE CONTROL
2400 ± 200 psi
THERMAL RELIEF
3000 ± 200-300 psi
SHUTTLE VALVE
DELIVERED PRESSURE
400 TO 800 psi
PIPER MOUNTING BASE
OPEN (OFF) PRESSURE 1800± 100 psi
ORIFICE
CLOSE (ON) PRESSURE 300± 100 psi
BELOW OPENING PRESSURE
PRESSURE SWITCH
GEAR DOWN
SNUBBER ORIFICE
EMERGENCY FREE-FALL
GEAR VALVE
MAIN GEAR
HYDRAULIC CYLINDER
29-01-00
Page 29-03
Revised: June 20, 1995