Pump Pressure Switch And Pressure Limitation Valve Operation Test - Diamond DA 42 NG Maintenance Manual

Hydraulic Power
(2) Detailed Check
Static (landing gear extended, ELECT. MASTER switch ON / set GEAR circuit breaker):
)
Max. leakage 1 drop of fluid in 10 hours.
Dynamic (after 25 extend/retract cycles):
)
Max. leakage 1 drop of fluid.
Note: If one of the measurements don't comply with these set-points send the actuator
to the vendor for a repair. Otherwise you can continue the operation but observe
the situation.
E. Pump Pressure Switch and Pressure Limitation Valve Operation Test
(1) Equipment
Item
Airplane jacks.
Wing trestle.
Rear fuselage trestle.
Manometer to test hydraulic pressure.
Page 234
29-10-00
15 Mar 2018
AIRCRAFT
Quantity
3
2
1
1
DA 42 NG AMM
Part Number
Commercial.
Commercial.
Commercial.
X11-P001.
Doc # 7.02.15
Rev. 4