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− Refer to Chapter 61.
x x x x
56. Examine the propeller extension. Inspect for
cracks, dents and wear damage. Make sure
that it is seated correctly.
x
Time Limits and
Maintenance Checks
DA20-C1 AMM
Page 14
30 Apr 2008 05-20-00 Doc # DA201-C1
Rev. 13
Interval (Flight Hours)
Inspection Items 50 100 200 1000 6000 Initials.
57. Check propeller attachment bolt
torques.
Refer to Chapter 61.
For Sensenich propeller W69EK7-
63 or W69EK7-63G (7/16” bolt
attachment) refer to the Sensenich
W69EK7-CF Manual.
For Sensenich propeller W69EK-63
(3/8” bolt attachment) refer to the
Sensenich W69EK-CF Manual.
For Hoffmann propeller HO-14HM-175-
157 Refer to the Hoffmann Owner’s
Manual number E0110.74.
x x x x x
CAUTION: IMPROPER TORQUE VALUES WILL BE OBTAINED BY MEASURING THE
BREAKING TORQUE IN A LOOSENING DIRECTION. THE TORQUE
SHOULD BE CHECKED IN A TIGHTENING DIRECTION AND ADJUSTED
AS NEEDED.
58. Check blade tracking. Tracking must not
exceed 1/8”.
- Refer to the Sensenich Document
(W69EK-CF or W69EK7-CF)
- Refer to The Hoffmann propeller
Owner’s Manual (number E 0110.74).
x x x x
59. Install new cotter pins (W69EK7-63 or
W69EK7-63G propeller with castellated nuts
only).
Lockwire the attachment bolts in pairs
(Hoffmann and W69EK-63 propeller)
x x x x x
60. Install the spinner.
− Refer to Chapter 61.
x x x x
61. Sensenich propeller only:
Apply a non-silicon automotive type paste
wax to the propeller blades.
x x* x x x
Note: Do not apply wax to the propeller hub area.
* Not applicable at 25 hour inspection
1 Required at annual inspection for
airplane maintenance done to FAR 91
DA20-C1 AMM
Time Limits and
Maintenance Checks
Doc # DA201-C1
Rev. 13 05-20-00 Page 15
30 Apr 2008
B. Front Fuselage
All items performed, the findings, as well as their correction must be recorded in accordance with
an approved procedures manual. Contact Diamond Aircraft if damages are determined which
cannot be repaired in accordance with an approved procedures manual.
Interval (Flight Hours)
Inspection Items 50 100 200 1000 6000 Initials.
1. Examine the complete surface of the front
fuselage. Look especially for damage
(dents, cracks, holes, scratches and
delamination).
Examine the paint coat.
x x x x
2. Visually examine the condition of the paint.
Look for chips, scratches, UV damage, and
condition of fire-proof paint aft of lower cowl
outlet.
x
3. Inspect for cracks in the paint at the bonding
seam down the centre line of the fuselage,
upper and lower surfaces.
Do a visual inspection and a tap test of the
fuselage skin.
- Inspect for disbonding between internal
composite components and skin.
x
4. Examine the composite structure around the
entrance steps. Inspect especially for cracks
or delaminations in the attachment area.
x
5. Examine the canopy. Check the latching
components for corrosion wear and damage.
- Inspect the aft mount and rear hinge, the
forward attaching points, the rubber
stopper and the balance spring.
Make sure the canopy locking mechanism
will release. (Refer to Chapter 52-10).
x x x x
6. Visually examine the canopy frame. Check
for delamination, scratches and cracks,
especially around the fastener holes.
x
7. Do the canopy latch force test.
(Refer to Chapter 52-10).
x x x x
8. Examine the fuselage around the mounting
hardware for the canopy latch.
- Inspect for security of the mounting
hardware.
x
Time Limits and
Maintenance Checks
DA20-C1 AMM
Page 16
30 Apr 2008 05-20-00 Doc # DA201-C1
Rev. 13
Interval (Flight Hours)
Inspection Items 50 100 200 1000 6000 Initials.
- Inspect for cracks and delamination of
the composite.
9. Remove the wheel fairings. Look for cracks
on the fairing mounts.
(Refer to Chapter 32-40).
x x x x
10. Lift the airplane on jacks.
(Refer to Chapter 07-10).
x x* x x
11. Examine the tires. Look especially for cuts
and wear. Measure the tire pressure.
(Refer to Chapter 12-10).
x x x x
12. Examine the rims of the main and the nosewheel.
Look especially for cracks.
x x x x
13. Examine the wheel bearings. Look
especially for play, corrosion and irregular
operation.
x x* x x
14. Remove the main wheels. Clean and
lubricate the bearings.
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