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Vulcanair S.p.A. 

 

Service Bulletin No. VA-03 Rev.1

 

First issue dated 09 October 2017 
Rev.1 dated 08 January 2019 

 

Page

 2 

of 

19  

Part A:  

Aircraft preparation 

 

Part B:  

Installation of Kit SB_VA-03/A, or SB_VA-03/B, for glider towing 

 

Part C:  

Restoring of aircraft’s airworthiness 

 

Aircraft  Flight  Manual  is  affected  by  compliance  with  this  Service  Bulletin.  Update  Aircraft 
Flight  Manual  at  the  latest  revision  and  comply  with  Supplement  B1  when  the  concerned 
aircraft is converted for glider towing and used for tow-flight operation. 

1.4

 

COMPLIANCE 

At owner’s discretion. 

1.5

 

MANHOURS 

The  time  necessary  for  the  application  of  this  Service  Bulletin  is  estimated  as  being  10  man-
hours  (at  least  two  people  are  required),  including  the  time  needed  to  access  the  parts  and  to 
return the aircraft to an airworthy condition. 

1.6

 

SPECIAL TOOLS 

No special tools are required. 

1.7

 

VARIATION IN WEIGHT & BALANCE 

 

Aircraft embodying Kit SB_VA-03/A, or SB_VA-03/B: 

o

 

Weight difference: +4.813kg 

o

 

Moment difference: +21.033 kg*m (with respect to datum, tangent to LE wing 
section). 

NOTE

 

It  is  responsibility  of  the  pilot  and  aircraft  owner  to 
ensure  that  the  airplane  is  loaded  properly  before 
flight. 

1.8

 

ELECTRICAL SYSTEM LOAD 

Negligible. 

1.9

 

REFERENCE DOCUMENTS 

 

Applicable Aircraft Parts Catalogue

 

 

Applicable Aircraft Maintenance Manual

 

 

DWG R.0550 “Glider Tow Hook Installation”

 

1.10

 

PUBBLICATIONS AFFECTED 

 

Applicable Aircraft Parts Catalogue

 

 

Applicable Aircraft Flight Manual

 

 

Summary of Contents for V1 series

Page 1: ...irectives SERVICE BULLETIN No VA 03 Rev 1 Supersedes the previous issue approved on 02 November 2017 Design Organisation Approval No AS SB 19 002 dated 25 January 2019 INFORMATION SUBJECT AIRCRAFT CON...

Page 2: ...Service Bulletin is estimated as being 10 man hours at least two people are required including the time needed to access the parts and to return the aircraft to an airworthy condition 1 6 SPECIAL TOOL...

Page 3: ...ted 09 October 2017 Rev 1 dated 08 January 2019 Page 3 of 19 1 11 MODIFICATION TO BE CARRIED OUT BY Vulcanair Part 145 or other Approved Maintenance Organisation Garmin Dealer Resource Center for Garm...

Page 4: ...n relating to health and safety at any stage of manufacture or use WARNING Carry out this work procedure in a FOD control area Practice Clean as you go Monitor all your personal items Personal items s...

Page 5: ...lage position light 11 Remove the fairing at the fin forward base 12 Remove the fin rib nose no 0 p n 5141 401 from the fin leading edge taking particular care to not damage the flight control cables...

Page 6: ...m the bracket to the fuselage frame No 2 and then drill to 3 2mm diameter holes 12 Deburr all the holes and clean all reworked surfaces with Methyl Ethyl Ketone or equivalent cleaning solvent treat th...

Page 7: ...clamp and the ventral skin onboard side 26 Put in place the Cable Support Welded Assy p n 8393 405 item 15 to the fuselage ventral skin outboard side then install it definitively to the fuselage and...

Page 8: ...fuselage skin then carry out the installation 35 Get access to the bottom outboard side of the fuselage frame No 5 and remove the central rivet and the two near ones LH and RH attaching the skin to th...

Page 9: ...surfaces of the installing parts and the fuselage skin then carry out the installation 47 Get access to the bottom side of the fuselage frame No 6 and remove the rivets attaching the skin to the fusel...

Page 10: ...Cam p n 8395 017 61 Referring to DWG R 0550 install 3 three anchor nuts p n NOR9 183 1A to the Support Quick Cam p n 8395 017 using rivets p n NAS1097AD3 3 62 Install the cam mounting plate to the Sup...

Page 11: ...aircraft up to s n 1019 referring to DWG R 0550 install the circuit breaker in the position labelled CAM and connect the cable P152A24 belonging to wiring harness p n 8391 061 Rev A to the CAM circuit...

Page 12: ...ble Assy p n 8393 409 item 9 using the bolt p n AN4 14A the washer p n NAS1149F0432P and the nut p n MS21083N4 Torque the nut to 0 86 0 94 kgm 93 On workbench referring to DWG R 0550 carry out the cut...

Page 13: ...on the Hook Support Welded Assy p n 8393 403 item 2 let the Bowden inner solid wire passing in the pulley groove and install the Bowden cable eye end terminal to the concerning lever of Tow Release p...

Page 14: ...following Part C Part C Restoring of aircraft s airworthiness 1 Check the release mechanism as following a Attach a rope to the tow hook of Tow Release p n NV7 003 247 item 19 b Pull the rope with a...

Page 15: ...NT and check that ENABLED is shown in the ACTIVE column near External Video 13 Pull out PFD breaker 14 Wait few seconds then push in the PFD circuit breaker and set the aircraft Master Switch to ON 15...

Page 16: ...1 8393 408 FRONT CABLE ASSY 1 12 MS21256 1 CLIP 2 13 8395 015 BRACKET 2 14 MS35489 4 GROMMET REF 15 8393 405 CABLE SUPPORT WELDED ASSY 1 16 8395 004 CLAMP 1 17 AN23 10A SCREW 6 18 MS21266 1N PLASTIC G...

Page 17: ...IVET 7 46 AN3 3A BOLT 1 47 NAS1097AD3 3 RIVET 6 48 AN3 6A BOLT 1 49 8395 002 LH STRINGER 1 50 8395 001 RH STRINGER 1 51 8395 003 DOUBLER 1 52 4801 0409 BLIND RIVET AVDEL 2 53 4801 0407 BLIND RIVET AVD...

Page 18: ...015 BRACKET 2 14 MS35489 4 GROMMET REF 15 8393 405 CABLE SUPPORT WELDED ASSY 1 16 8395 004 CLAMP 1 17 AN23 10A SCREW 6 18 MS21266 1N PLASTIC GROMMET 500mm 19 NV7 003 247A TOW RELEASE 1 20 8395 005 SHI...

Page 19: ...HOLDER 1 56 8391 061 REV B CAM SWITCH WIRING HARNESS 1 57 8395 016 BRACKET QUICK CAM 1 58 NV7 003 189A QUICK CAM 1 59 8395 017 SUPPORT QUICK CAM 1 60 MS35206 227 SCREW 7 61 MS21083N06 NUT 4 62 NOR7 21...

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