DG Flugzeugbau GmbH 

### Technical note page 1 from 1

76646 Bruchsal 

### No

. 1000/26

Subject : Adapter ring with elastomeric damper element between propeller and upper drive

belt pulley

Effectivity : DG

- 1000 variant DG

- 1000T

Accomplishment : Prior to next engine use

Reason : In some case s the eccentric axle of the reduction gear of the engine SOLO 2350C

failed. Even the reinforced axle (SOLO part No. 20 11 316) failed in 2 cases see

EASA Emergency AD No. 2015

- 0052

- E and SOLO inspection i nstruction No.

4603

- 1.

To reduce the loads on the axle an e lastomeric damper element between propeller

and upper pulley has been developed. This element ena b les the engine with

reduction gear to perform movements against the gyroscopically “f ix ed” propelle r

disc.

Instructions : 1. Remove the propeller. The adapter ring 10M39 won’t be used anymore.

2. Remove the eccentric axle including the upper drive belt pulley according to

MM section 4.10.1 d).

3. Ship the unit axle with drive belt pulley to the S olo company.

Solo will re turn the drive belt pulley assembled with new rear bearing and new

axle Solo 20 31 211 V2 and with adapter ring with elastomeric damper element

10M67

. In addition you will receive 6 bolts 10M74 for mounting the propeller.

4. Reinstall the unit according to MM section 4.10.1 d).

5. Reinstall the propeller according to MM section 4.10.2.

6. Torque the upper engine rubber mounts so that they are compressed to a value

of 25 mm (1.06 in.) see MM section 4.10.6.4 item 6.

7. Exchange the f

ollowing manual pages against new pages issued August 2015

marked with TN1000/26. Respect the changes marked in the right hand

margin.

Flight manual: 0.2, 0.4, 4.14

Maintenance manual: 0.2, 0.3

- 0.6, 0.9a, 0.11, 1.18, 3.5, 3.8, 4.20, 4.20a, 4.26,

4.28, 8. 1

– 8.3 diagram 13, diagram 15, diagram 15a

Note: MM page 8.2 and diagrams 15 and 15a belong to TN1000/28 and are

marked with TN1000/28.

Material : Drawing 10M 0 72

1 unit adapter ring with elastomeric damper element 10M 6 7 al ready installed to the

drive belt pulley with eccentric axis with:

6 x 8,4mm Schnorr securing washer Type S

6 lock nuts M8 Therma g DIN980 cu

6 bolts M 8 x 70 DIN931

- 8.8 z n with hole for lock wire 10M74

Lock wire dia. 0.8 mm

Manual Pages see above

Weight and balance : influence negligible

Remarks : Instructions No

. 1

- 3 and 7 may be executed by the pilot/owner himself and are to

be inspected and entered in the aircraft logs by a licensed inspector together with

instructi ons 4 up to 6

.

Instructions No. 4 up to 6

1. EASA countries: The actions have to be performed in a Part

- 145 approved

organisation, or in a Part M, Subpart F approved organisation according to the

regulations of the Part M and released according to M.A.801

. 2. Non EASA countries : The actions have to be performed in a licensed

workshop

. All instructions are to be inspected and entered in the aircraft logs

by a licensed inspector.

Bruchsal, date: 23.09 .2015

Author: Wilhelm Dirks Modifications approved by E ASA Date 9 Nove mber 2015

under Approval No. 10055434Diese Zeichnung ist Eigentum der DG Flugzeugbau GmbH

. Nicht ausdrücklich freigegebene Vervielfältigung ode r Weitergabe an Dritte ist verboten. DG Flugzeugbau GmbH.Propellermontagenach TM 1000-26Propeller assemblyTN 1000-26Maße ohneToleranz-ang. nach:ISO2768-m10M072Seite 1von 11:114.07.15DG Flugzeugbau GmbHÄnderungDG Flugzeugbau GmbH76646 BruchsalOtto-Lilienthal-Weg 2Norm.Gepr.DatumNameAusg.ab Wnr.Datum NameGez.Maßstab:Toleranzen nach Arbeitsanweisung BA 1Schweißen nach Arbeitsanweisung SA 1-WassenaarDrahtsicherunglock wireAASchnitt A-APropelleradapter mit GummidämpferPropelleradapter with rubber damping element10M67KeilriemenscheibepulleySolo 20 15 22010M74(M8X70 DIN 931-8.8 znmit Bohrung 1,5mmim Schraubenkopfwith 1,5mm holein nut head)Scheibewasher8,4 DIN 9021 St znSicherungscheibeSchnorr lock washer8,4 Typ SStoppmutterlock nutM8 ThermagDIN 980 cuStehbolzen (eingeklebt in 10M67)Stud bolt (glued in 10M67)M8 x 35