AIRCRAFT
Hydraulic Power
DA 42 NG AMM
Page 248
15 Mar 2018
29-10-00
Doc # 7.02.15
Rev. 4
E. Replace the Flow Regulation Valve
WARNING:
DO NOT GET HYDRAULIC FLUID ON YOU. HYDRAULIC FLUID CAN
CAUSE SKIN DISEASE. IT CAN ALSO DAMAGE CLOTHING.
CAUTION:
CLEAN OFF SPILT HYDRAULIC FLUID IMMEDIATELY. HYDRAULIC
FLUID CAN DAMAGE THE AIRPLANE STRUCTURE. IT CAN ALSO
REMOVE THE PAINT FROM SOME COMPONENTS.
Detail Steps/Work Items
Key Items/References
(1)
Getting access to the hydraulic system:
S
Fold the rear passenger seat-backs forward.
S
Remove the rear baggage compartment
lower access panel.
Refer to Section 25-10.
Refer to Section 25-60.
(2)
Depressurize the hydraulic system.
Refer to Section 29-10.
(3)
Drain fluid from the hydraulic system.
Refer to Section 29-10.
The fluid level should be lower than the
hydraulic control manifold.
(4)
Remove the flow regulation valves.
S
Remove the valves and two seal rings on
each valve.
S
Make sure to catch spilt hydraulic fluid.
Wrench size 22 mm.
(5)
Install flow regulation valves:
S
Install the M1.7 valve in the middle hole of
the hydraulic supply manifold and tighten it
with 25 Nm (18.4 lbf.ft.).
S
Install the two M1.5 valves in the top and
bottom hole of the hydraulic supply manifold
and tighten them with 25 Nm (18.4 lbf.ft.).
Put Rivolta F.L.A on both, the thread
and the O-rings.
(6)
Replenish the hydraulic reservoir with hydraulic
fluid.
Refer to Section 29-10.
(7)
Bleed the accumulator.
Refer to Section 29-10.
(8)
Bleed the hydraulic system.
Refer to Section 29-10.
Summary of Contents for DA 42 NG
Page 933: ...AIRCRAFT DA 42 NG AMM Fuel Doc 7 02 15 Rev 4 28 TITLE Page 1 15 Mar 2018 CHAPTER 28 FUEL ...
Page 1459: ...AIRCRAFT DA 42 NG AMM Lights Doc 7 02 15 Rev 4 33 TITLE Page 1 15 Mar 2018 CHAPTER 33 LIGHTS ...
Page 1711: ...AIRCRAFT DA 42 NG AMM Doors Doc 7 02 15 Rev 4 52 TITLE Page 1 15 Mar 2018 CHAPTER 52 DOORS ...
Page 1853: ...AIRCRAFT DA 42 NG AMM Wings Doc 7 02 15 Rev 4 57 TITLE Page 1 15 Mar 2018 CHAPTER 57 WINGS ...
Page 2071: ...AIRCRAFT DA 42 NG AMM Engine Doc 7 02 15 Rev 4 72 TITLE Page 1 15 Mar 2018 CHAPTER 72 ENGINE ...
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