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18.  Examine the emergency battery system, if installed: S Measure the voltage of the emergency battery on the EMERGENCY switch. Replace emergency battery (all 28 cells) if the voltage is below 42 V. S Make sure that the seal on the EMERGENCY switch is intact.  X  X  X 
19.  Lycoming version only: Replace the DPU battery memory pack of the VM 1000 engine instrument unit. (Refer to Section 77-40).  8 yrs. 
20.  TAE version only: Examine the ECU backup battery: S Check for leakage, damage, insecure mounting, and loose connectors. S Measure voltage (minimum: 12.5 volts).  X  X  X 
21.  TAE version only: Replace the ECU backup battery.  2 yrs. 
22.  TAE version only: Replace the alternator excitation battery.  1 yr. 

Doc # 6.02.01 Page 27
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100 hr items marked X* apply to US registered airplanes only  Interval 
Inspection Items  50  100  200  1000  Time  Initials 
23.  Examine the alternate static valve, if installed. Make sure that: S The valve is correctly attached. S The valve is not blocked. S The hoses are correctly attached.  X*  X  X 
24.  Lycoming version only: Lubricate the ignition switch: S See FAA AD 93-05-06 reference ACS/Gerdes Service Bulletin SB92-01-ACS, ignition switch lubrication/inspection.  X 
25.  Examine the compass. Make sure that: S The compass is correctly attached. S The fluid level is correct.  X  X 
26.  Examine the controls in the center console. Make sure that for each control lever: S There is full and free movement. S There is no unusual play. S The friction is correct. S The mixture lock-out operates correctly (Lycoming version only).  X  X  X 
27.  Examine the control cables in the center console: S Remove the retaining screws for the center console cover plate. S Lift the center console cover plate and visually examine the cables. Look specially for wear and kinks in the cables. S Lower the center console cover plate into the correct position, install the retaining screws.  X  X  X 

Page 28 Doc # 6.02.01 09 Jan 2003 Rev. 4
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AMM
Maintenance Checks

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DA 40 Series

100 hr items marked X* apply to US registered airplanes only  Interval 
Inspection Items  50  100  200  1000  Time  Initials 
28.  Examine the trim control in the center console. Make sure that: S There is full and free movement. S There is no unusual play.  X  X  X 
29.  If the autopilot system is installed, then examine the trim servo assembly. Look specially for: S Wear and corrosion. S Insecure attachment of servo. S Damaged, deformed, or worn out cardan shaft and chain gears. (Refer to Section 22-10).  X  X  X 
30.  Examine the front cockpit structure. Look for dis-bonding, delamination and damage, specially to these components: S The fuselage shells. S The firewall. S The floor. S The control bulkhead. S The fuel pipe channels. S The front main bulkhead. S The rear main bulkhead. S The inner faces of the front and rear closing ribs. S The front and rear seat crash elements.  X 

05-20-00
Maintenance Checks
AMM

D. Center Fuselage, Internal
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DA 40 Series

100 hr items marked X* apply to US registered airplanes only  Interval 
Inspection Items  50  100  200  1000  Time  Initials 
1.  Examine the fire extinguisher. Make sure that: S The fire extinguisher will release from the mounting bracket. S The fire extinguisher contents are full. Do a check of the extinguisher expiry date. (Refer to Section 26-00).  X  X  X 
　
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