AIRCRAFT
DA 42 NG AMM
Landing Gear
Doc # 7.02.15
Rev. 4
32-30-00
Page 101
15 Mar 2018
Trouble-Shooting
1. General
This table gives you the trouble-shooting procedures for the landing gear extension and retraction
system. Refer to Section 32-10 for trouble-shooting the main landing gear assembly. Refer to Section
32-20 for trouble-shooting the nose landing gear assembly. Refer to Section 32-40 for trouble-shooting
the nose wheel assembly. Refer to Section 32-50 for trouble-shooting the nose wheel steering. Refer
to Section 32-60 for trouble-shooting the nose landing gear position and warning system.
If you find the trouble given in Trouble column read across to the Possible Cause column. Then do the
repair given in the Repair column.
Trouble
Possible Cause
Repair
Landing gear does not retract
when the selector lever is set to
UP.
Hydraulic pump (GEAR) circuit
breaker pulled.
Emergency extension lever
operated.
Hydraulic pump defective.
Hydraulic supply and control
assembly defective.
Wiring from landing gear
selector to hydraulic supply
and control panel defective.
Reset GEAR circuit breaker.
Reset emergency extension
lever.
Replace hydraulic pump.
Replace hydraulic supply and
control assembly.
Do a test for continuity of the
related wiring. Replace or
repair defective wiring as
necessary. Refer to Chapter 92
for the Wiring Diagrams.
Landing gear does not extend
when the selector lever is set to
DOWN.
Hydraulic supply and control
assembly defective.
Wiring from landing gear
selector to hydraulic supply
and control panel defective.
Replace hydraulic supply and
control assembly.
Do a test for continuity of the
related wiring. Replace or
repair defective wiring as
necessary. Refer to Chapter 92
for the Wiring Diagrams.
Summary of Contents for DA 42 NG
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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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