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Diamond Aircraft AMM-TR-MAM 40-1038 Maintenance Manual
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Diamond Aircraft AMM-TR-MAM 40-1038 Maintenance Manual

Diamond Aircraft AMM-TR-MAM 40-1038 Maintenance Manual

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DA 40 NG AMM
This temporary revision is approved in conjunction with the Mandatory Design Change Advisory MÄM 40-
1038 and is valid in conjunction with the Airplane Maintenance Manual (AMM) until this temporary revision
has been incorporated into the AMM.
The limitations and information contained herein either supplement, or in the case of conflict, override those
in the AMM.
The technical information contained in this document has been approved.
Doc. No.
6.02.15
Doc # 6.02.15
AMM-TR-MÄM 40-1038
AIRCRAFT MAINTENANCE MANUAL
TEMPORARY REVISION
AMM-TR-MÄM 40-1038
Section
05-28-50
05-50-00
32-20-00
COVER
NLG Inspection & Maintenance
AIRCRAFT
Affected Pages
Temporary Revision
3 to 10
11 to 18
19 to 22
Page 1
13 Jul 2020

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Summary of Contents for Diamond Aircraft AMM-TR-MAM 40-1038

  • Page 1 Temporary Revision DA 40 NG AMM NLG Inspection & Maintenance AIRCRAFT AIRCRAFT MAINTENANCE MANUAL TEMPORARY REVISION AMM-TR-MÄM 40-1038 This temporary revision is approved in conjunction with the Mandatory Design Change Advisory MÄM 40- 1038 and is valid in conjunction with the Airplane Maintenance Manual (AMM) until this temporary revision has been incorporated into the AMM.
  • Page 2 Temporary Revision DA 40 NG AMM NLG Inspection & Maintenance AIRCRAFT FILING INSTRUCTIONS Print this temporary revision single sided on 8.5 x 11 inch yellow paper. Insert the COVER pages as the first pages of the AMM. Insert the pages of this temporary revision as indicated in the table below. Record the incorporation of this temporary revision on the yellow RECORD OF REVISIONS sheet at the front of the AMM.

  • Page 3: Maintenance Checklist Airframe

    Temporary Revision DA 40 NG AMM NLG Inspection & Maintenance AIRCRAFT Section 05-28-50 Maintenance Checklist Airframe Note: The items of the Major Structural Inspection (MSI) are included in the maintenance checklist of the airframe and identified by the term ‘MSI’ in the ‘Time’ column. Note: If the airplane is operated on rough terrain it is recommended to perform additional inspections of items marked ( ) at intervals half the intervals marked.
  • Page 4 Temporary Revision DA 40 NG AMM NLG Inspection & Maintenance AIRCRAFT 100 hr items marked X* apply to US registered airplanes only Interval Inspection Items 200 1000 2000 Time Initials Do a function test of the door unlocked warning light system.
  • Page 5 Temporary Revision DA 40 NG AMM NLG Inspection & Maintenance AIRCRAFT 100 hr items marked X* apply to US registered airplanes only Interval Inspection Items 200 1000 2000 Time Initials Examine the wheel bearings. Look specially for play, corrosion and irregular operation. Remove the main and nose wheels.
  • Page 6 Temporary Revision DA 40 NG AMM NLG Inspection & Maintenance AIRCRAFT 100 hr items marked X* apply to US registered airplanes only Interval Inspection Items 200 1000 2000 Time Initials Examine the mounting for the landing gear. Look specially for: Incorrect attachment.
  • Page 7 Temporary Revision DA 40 NG AMM NLG Inspection & Maintenance AIRCRAFT 100 hr items marked X* apply to US registered airplanes only Interval Inspection Items 200 1000 2000 Time Initials Install the access panels for the main landing gear legs. (Refer to Section 52-40). Remove the access panel for the nose landing gear leg.
  • Page 8 Temporary Revision DA 40 NG AMM NLG Inspection & Maintenance AIRCRAFT 100 hr items marked X* apply to US registered airplanes only Interval Inspection Items 200 1000 2000 Time Initials Examine the elastomer pack center tube (if OÄM 40-379 is NOT installed): Remove elastomer pack.
  • Page 9 Temporary Revision DA 40 NG AMM NLG Inspection & Maintenance AIRCRAFT 100 hr items marked X* apply to US registered airplanes only Interval Inspection Items 200 1000 2000 Time Initials If OÄM 40-379 is installed: Remove and examine the damper assembly and lower attachment brackets: Check for damage.
  • Page 10 Temporary Revision DA 40 NG AMM NLG Inspection & Maintenance AIRCRAFT 100 hr items marked X* apply to US registered airplanes only Interval Inspection Items 200 1000 2000 Time Initials Examine the top hat profile and the closing rib. Look specially for dis-bonding, delamination and damage.

  • Page 11: Unscheduled Maintenance Checks

    Temporary Revision DA 40 NG AMM NLG Inspection & Maintenance AIRCRAFT Section 05-50 Unscheduled Maintenance Checks 1. General Unscheduled maintenance checks are necessary after any incident that could cause damage to the 2. Hard Landing Check Figure 1 shows the hard landing check areas. You must do a hard landing check when the pilot makes a report of a hard landing or when ground handling applies unusual loads.
  • Page 12 Temporary Revision DA 40 NG AMM NLG Inspection & Maintenance AIRCRAFT Detail Steps/Work Items Key Items Examine the tires. Look specially for cuts in the Refer to Section 32-40. side walls. Examine the wheel rims. Look specially for cracks and deformation of the flanges. Examine the brake discs.
  • Page 13 Temporary Revision DA 40 NG AMM NLG Inspection & Maintenance AIRCRAFT Detail Steps/Work Items Key Items (10) If OÄM 40-379 is NOT installed: Examine the elastomer pack center tube: Refer to Section 32-20. Remove the elastomer pack. Remove elastomer elements. Examine elastomer pack center tube: If the center tube shows signs of deformation: Replace center tube...
  • Page 14 Temporary Revision DA 40 NG AMM NLG Inspection & Maintenance AIRCRAFT Detail Steps/Work Items Key Items (13) Remove the load from the nose-gear and examine it. Look specially for more than the usual play. (14) Examine the control surfaces. Look specially for: Correct attachment of the hinges.
  • Page 15 Temporary Revision DA 40 NG AMM NLG Inspection & Maintenance AIRCRAFT Firewall Top Hat Profile Closing Rib Bearings for Nose Gear Assembly Nose Gear Assembly Rear Main Bulkhead Front Closing Rib Main Landing Gear Rib Reinforcement Rib (if installed) Inner Mounting Outer Mounting Front Main Bulkhead...
  • Page 16 Temporary Revision DA 40 NG AMM NLG Inspection & Maintenance AIRCRAFT Firewall Top Hat Profile NLG Damper Closing Rib Bearings for Nose Gear Assembly Nose Gear Assembly Rear Main Bulkhead Front Closing Rib Main Landing Gear Ribs Inner Mounting Outer Mounting Front Main Bulkhead Main Landing Gear Leg...
  • Page 17 Temporary Revision DA 40 NG AMM NLG Inspection & Maintenance AIRCRAFT Figure 3: Hard Landing Check Areas - NLG Fork Assembly 05-50-00 Doc # 6.02.15 Page 17 13 Jul 2020 AMM-TR-MÄM 40-1038...
  • Page 18 Temporary Revision DA 40 NG AMM NLG Inspection & Maintenance AIRCRAFT Figure 4: Hard Landing Check Areas - MLG Support 05-50-00 Doc # 6.02.15 Page 18 13 Jul 2020 AMM-TR-MÄM 40-1038...
  • Page 19 Temporary Revision DA 40 NG AMM NLG Inspection & Maintenance AIRCRAFT 6. Adjust the Nose Wheel Steering Friction Steering friction prevents nose wheel shimmy. A. Equipment Item Quantity Reference Padded trestle. Commercial. Weight and strap. Commercial. Spring balance. Commercial. B. Procedure Detail Steps/Work Items Key Items/References Use weights to hold the rear fuselage down with the...
  • Page 20 Temporary Revision DA 40 NG AMM NLG Inspection & Maintenance AIRCRAFT 7. Nose Wheel Balancing Always have the nose-wheel balanced before installation. Apply a force of 30 - 50 N (6.75 - 11.25 lb.) in both directions along Pivot Nut the line of the Axle Figure 6: Adjust the Nose Wheel Steering Friction 32-20-00...
  • Page 21 Temporary Revision DA 40 NG AMM NLG Inspection & Maintenance AIRCRAFT 8. Remove/Install the NLG Fork Assembly A. Equipment Refer to Chapter 07-10-00 for the equipment required for jacking the aircraft. B. Remove the NLG Fork Assembly Detail Steps/Work Items Key Items/References Jack the aircraft.
  • Page 22 Temporary Revision DA 40 NG AMM NLG Inspection & Maintenance AIRCRAFT Figure 7: NLG Fork Installation 32-20-00 Doc # 6.02.15 Page 22 13 Jul 2020 AMM-TR-MÄM 40-1038...