Piper SENECA II - Page 331

01/01/09 VI - HYDRAULIC SYSTEM
1I5
PIPER SENECA II SERVICE MANUAL
Figure 6-1. Schematic Diagram of Hydraulic System (Sheet 1 of 2)
1939
95295
RIGHT MAIN GEAR
HY DR AULIC CYLINDER
( )
UP
o DOWN
NOTE
REFER TO TABLE VI-I FOR
LEADING PARTICULARS OF
HYDRAULIC SYSTEM.
C HE CK VALVE
SERIAL NOS.
NOSE GEAR
HYDRAULIC
CYLINDER
UP
DOWN
,
34-757001 TO
34-7770148 INCL.
- ... _ - - - - / - - -
- ·- _,,
LEFT MAIN GEAR
H
YD RA ULIC CYLINDER
UP
DO WN
,-----
1 r- - -
0
1--f-'=,'-""-"'HPRESSURE
SWITCH
RESTRICTOR
0
------4>=<1
FREE FALL
CO NTROL
OFF 1800 ± 100 PSI
ON 200-400 PSI
DIFFERENTIAL
SYSTEM
THERMAL
RELIEF VALVE
USED ON-0
RESERVOIR
HIGH
~-- PRESSURE
CONTROL
PRESTO LITE
PUMP
ONLY 2350 ±
50 PSI
2250;1;25DPSI
RELIEF VALVE
4000 ± 300 PSI
ON -0 ONLY
THERMAL RELIEF
2250 ± 260 PSI
GEAR UP
CHECK VALVE
NOTE
·2 = HYCS00S PUMP
·0
'105476A PUMP