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

RIGHT MAIN GEAR
HYDRAULIC CYLINDER
UP
DOWN
LOW
PRESSURE
CONTROL
650 ± 150 psi
DELIVERED PRESSURE 400 TO 800 psi
Figure 29-1. Schematic Diagram of Prestolite Hydraulic System
PIPER AIRCRAFT
PA - 4 4 - 1 8 0 / 1 8 0 T
AIRPLANE MAINTENANCE MANUAL
RESTRICTOR
NOSE GEAR
HYDRAULIC
CYLINDER
UP
DOWN
RESERVOIR
SHUTTLE VALVE
GEAR
DOWN
2B21
LEFT MAIN GEAR
HYDRAULIC CYLINDER
DOWN
COM N.C.
RESTRICTED
ELBOW
FREE-FALL CONTROL
PULL TO EXTEND
2000 to 2500 psi
HIGH
PRESSURE
CONTROL
THERMAL
RELIEF
2250± 250 psi
GEAR UP
CHECK VALVE
UP
UP
PRESSURE
SWITCH
PRESSURE SWITCH
OFF AT 1800 ± 100 psi
ON AT 200 - 400 psi,
BELOW OFF SETTING
29-01-00
Page 29-02
Revised: June 20, 1995