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AVIA PROPELLER

E-1500

INSTALLATION AND OPERATION MANUAL

(2) Se

ízení axiální v

le blokovacího šoupátka regulátoru prvkem 37 a se

ízení

sdružené vazby 65.
(platí pro regulátor LUN7815.02)

a) Ovládací páku vrtule v kabin

letounu p

esu

te do polohy maximálních otá

ek. Páka

"Rn" na regulátoru se tím p

esune na doraz max. otá

ek 15.

b) Kontrolujte, zda je vypojeno táhlo "Sv" 65 z kulisy "Sv" (obrázek 11-17). Pokud není,

vyšroubujte matici a vyjm

ep z vidlice táhla. Potom táhlo vysu

te mimo kulisu "Sv".

c) Uvoln

né táhlo "Sv" 65 zafixujte tak, aby jeho pohyb nebránil p

i další práci.

d) Ovládací páku motoru v kabin

letounu p

esu

te do reverzní polohy. Páka "Bc" na

regulátoru se tím p

esune do polohy dle obrázku 11-18 (ryska páky s va

kou je proti

toleran

nímu poli reverzu na stupnici regulátoru).

VÝSTRAHA:

JE ZAKÁZÁNO P

ESUNOUT OVLÁDACÍ PÁKU MOTORU DO REVERZNÍ POLOHY,

POKUD OVLÁDACÍ PÁKA VRTULE NENÍ V POLOZE MAXIMÁLNÍCH OTÁ

EK!

Obrázek 11-17 Rozpojení táhla “Sv”

(2) Axial clearance of blocking valve adjustment with element 37 and coupled

connection 65.
(for propeller governor LUN7815.02)

a) Move the propeller condition lever in cockpit to position of maximum RPM. The

governor lever "Rn" move then to maximum RPM stop 15.

b) Verify whether rod "Sv" 65 is disconnected from the gate "Sv" (figure 11-17). If not,

remove its nut and pin from the rod yoke. Then eject the rod out from the gate "Sv".

c) Loosen rod "Sv" 65 fix to the governor to don’t obstruct at following works.

d) Move engine condition lever in aircraft cockpit into reverse position. Governor lever

"Bc" thus moves to position as shown on figure 11-18 (guideline at the lever aligns

with reverse range at governor scale).

WARNING:

IT IS FORBIDDEN TO MOVE ENGINE CONDITION LEVER INTO REVERSE POSITION

WHEN PROPELLER CONDITION LEVER IS NOT IN MAXIMUM RPM POSITION.

Figure 11-17 Rod “Sv” disconnection

Strana 11-28

SYSTÉM OVLÁDÁNÍ VRTULE

61-10-00

PROPELLER CONTROL SYSTEM

Page 11-28

13.4.2010

2010-04-13

Содержание V508 Series

Страница 1: ...es Document number E E 1 15 50 00 0 ATA 61 10 00 2 Vydání 13 dubna 2010 Revize 14 ledna 2020 Technický obsah tohoto dokumentu je schválen na základě oprávnění DOA č EASA 21J 072 Issue 2 April 13 2010 Revision January 14 2020 The technical content of this document is approved under authority of DOA No EASA 21J 072 Avia Propeller s r o Beranových 65 666 199 00 Praha 9 Letňany CZECH REPUBLIC Tel 420 ...

Страница 2: ...K K A AV VI IA A P PR RO OP PE EL LL LE ER R Řádně udržovaný vám zaručí mnoho let spolehlivého provozu ATTENTION FOR OWNERS USERS AND SERVICE STAFF This installation and operation manual contains descriptions technical informations and instructions for operation and maintenance of V508 and V510 propeller type series All activities associated with propellers operation and maintenance must be practi...

Страница 3: ...nová Dvouletá prohlídka 6 3 D Kontrolní postupy 6 5 E Speciální prohlídky 6 15 TABLE OF CONTENT LIST OF REVISIONS II 1 LIST OF EFFECTIVE PAGES III 1 1 AIRWORTHINESS LIMITATION 1 1 2 GENERAL 2 1 3 MODEL DESIGNATION 3 1 4 DESIGN AND OPERATION INFORMATION 4 1 5 INSTALLATION AND OPERATION INSTRUCTION 5 1 A General 5 1 B Spinner Dome Removal 5 2 C Installing the Blades 5 3 D Installing the Propeller on...

Страница 4: ...11 15 C Vrtulový regulátor LUN7816 11 19 11 5 DEMONTÁŽ REGULÁTORU Z MOTORU 11 24 7 MAINTENANCE 7 1 A Cleaning 7 1 B Dynamic balance 7 1 C Storage of serviced propeller 7 3 D Blade repair 7 4 E Blade replacement in the field 7 10 8 TROUBLESHOOTING 8 1 A Normal operation 8 1 B Feathering 8 5 C De icing 8 6 D Propeller hub blades 8 7 9 SHIPPING AND STORAGE 9 1 10 SPECIAL TOOL 10 1 11 PROPELLER CONTRO...

Страница 5: ...STRAŇOVÁNÍ ZÁVAD 11 61 11 10 POSTUPY ÚDRŽBY 11 63 11 11 SKLADOVÁNÍ A KONZERVACE 11 70 11 6 BASIC ADJUSTMENT AFTER INSTALLATION ON ENGINE 11 25 A Propeller governor LUN7815 11 25 B Propeller governor LUN7816 11 34 11 7 TESTING 11 42 A Propeller governor LUN7815 11 42 B Propeller governor LUN7816 11 48 11 8 FURTHER ADJUSTMENT 11 52 A Propeller governor LUN7815 11 52 B Propeller governor LUN7816 11 5...

Страница 6: ...AVIA PROPELLER E 1500 INSTALLATION AND OPERATION MANUAL Tato strana je záměrně prázdná This page is intentionally blank Strana I 4 OBSAH 61 10 00 TABLE OF CONTENT Page I 4 6 2 2012 2012 02 06 ...

Страница 7: ...ulletin č 1 Strana 6 2 6 3 Přidána tolerance předepsaných intervalů prohlídek Strana 6 15 Doplněna poznámka že při přetočení překročení kroutícího R 46 10 R 106 10 R 113 10 R 130 10 R 47 11 R 60 11 R 85 11 R 137 11 April 13 2010 June 30 2010 July 20 2010 September 3 2010 April 11 2011 May 10 2011 June 30 2011 December 6 2011 All I 1 II 1 III 1 5 4 6 1 až 6 12 II 1 III 1 6 2 II 1 III 1 5 6 II 1 III...

Страница 8: ...ny seznamy dílů Strany 5 2 5 6 5 10 5 11 Průměr vázacího drátu v palcích 0 03 inch opraven na 0 032 inch Strany 5 3 5 11 5 17 Desetinná čárka u rozměru v palcích změněna na tečku R 137 11 cont d R 10 12 February 06 2012 I 2 to I 4 II 2 to II 4 III 1 1 1 1 2 2 1 to 2 3 4 3 to 4 11 5 2 to 5 4 5 6 5 10 5 11 5 13 5 14 5 17 6 1 6 2 6 4 6 7 6 9 to 6 16 7 4 to 7 9 8 1 to 8 8 9 1 10 1 10 2 11 1 11 2 11 27...

Страница 9: ...na obsah kapitoly 11 byl přesunut do hlavního obsahu Strana 11 2 Oddíl Obecně byl aktualizován V celé kapitole 11 doplněny k milimetrům a stupňům celsia přepočty na palce a stupně fahrenheita R 10 12 cont d Page 5 4 Mentioned or similar in anti seize compounds changed to or equivalent Page 5 13 Information on installations with governor other than Jihostroj was updated Page 5 14 Section Propeller ...

Страница 10: ...7850 7 Strany 7 6 7 9 7 10 Aktualizován postup ochrany místní opravy listu Strana 10 3 Přidáno speciální nářadí pro vrtule V508H R 31 12 R 221 13 R 8 14 February 28 2012 December 05 2013 January 17 2014 II 4 III 1 5 5 5 6 5 16 7 5 7 7 II 4 III 1 4 3 II 4 III 1 2 1 3 2 4 4 4 6 4 8 4 10 5 1 5 2 5 8 5 9 5 11 5 11 1 5 12 6 10 7 6 7 9 7 10 10 3 Page 5 5 Czech description of figures 5 6 and 5 7 in right...

Страница 11: ...í V508 regulátorem LUN7816 Zrušeny speciální postupy pro instalaci vrtule V508H S N 070031 na motor Strany 5 18 a 5 19 zrušeny Aktualizována kap Speciální nářadí R 137 14 R 168 14 R 70 15 R 103 15 R 59 17 R 109 19 September 18 2014 October 20 2014 May 12 2015 July 07 2015 June 5 2017 September 19 2019 II 5 II 6 III 1 4 3 4 11 5 8 to 5 9 1 5 11 5 11 1 5 12 6 10 I 1 II 5 III 1 5 1 to 5 9 3 5 18 5 19...

Страница 12: ...a upozornění na správnou polohu listů při instalaci do náboje Přidáno maximální přípustné přesazení pozičních rysek na listu a na pouzdru listu R 9 20 January 14 2020 II 6 III 1 2 2 5 4 5 5 6 7 8 5 Updated the Related Documents section Added cautions about correct position of the blades when installing them into the hub Added maximum permitted misalignment of position marks on the blade and blade ...

Страница 13: ...62 2010 04 13 III 2 2010 04 13 5 9 1 2014 10 20 7 2 2010 04 13 11 7 2010 04 13 11 35 2017 06 05 11 63 2012 02 06 1 1 2012 02 06 5 9 2 2014 10 20 7 3 2010 04 13 11 8 2010 04 13 11 36 2017 06 05 11 64 2010 04 13 1 2 2012 02 06 5 9 3 2014 10 20 7 4 2012 02 06 11 9 2010 04 13 11 37 2012 02 06 11 65 2012 02 06 2 1 2014 01 17 5 10 2012 02 06 7 5 2015 07 07 11 10 2010 04 13 11 38 2012 02 06 11 66 2012 02...

Страница 14: ...ELLER E 1500 INSTALLATION AND OPERATION MANUAL Tato strana je záměrně prázdná This page is intentionally blank Strana III 2 PŘEHLED PLATNÝCH STRAN 61 10 00 LIST OF EFFECTIVE PAGES Page III 2 13 4 2010 2010 04 13 ...

Страница 15: ...Turbo Shark Sukhoi 26MX s motorem Walter M601T 1 AIRWORTHINESS LIMITATIONS This Airworthiness Limitations Section is EASA approved in accordance with Part 21A 31 a 3 and CS P40 b and 14 CFR Part 35 4 A35 4 Any change to mandatory replacement times inspection intervals and related procedures contained in this section must also be approved The Airworthiness Limitations Section is FAA approved and sp...

Страница 16: ...le V510T 90A A provozované na letounu PZL 130 Orlík s motorem Walter M601T 6 Life limited parts of V510 series propellers Part Life limit Blade 12 500 hours 3 000 hours Hub 20 000 hours 3 000 hours Blade bushing 20 000 hours 3 000 hours Outer bearing ring 20 000 hours 3 000 hours Fork 20 000 hours 3 000 hours Cylinder 20 000 hours 3 000 hours 3000 hour life limit apply only to parts of V510T 90A A...

Страница 17: ...mi revizemi příruček pro generální opravu uvedenými v oddílu Související dokumenty v této kapitole 2 GENERAL A Statement of purpose This publication provides operation installation and line maintenance information on the Avia feathering and reversing propellers V508 3 blade and V510 5 blade Type Series Propellers in this manual are used on turbine engines with ARP880 mounting flange In addition to...

Страница 18: ...některé vnější díly jako těsnící kroužek příruby a spojovací materiál šrouby matice kabely mohou být v provozu vyměněny C Related documents 1 Avia Manual E 1707 61 20 07 Installation and Operation Manual for Avia P W series Governor 2 Avia Service Bulletin No 1 Includes an overhaul intervals of all Avia propellers Available on Avia website at www aviapropeller com 3 Avia Service Bulletins Service ...

Страница 19: ...níky vyškolenými a pověřenými výrobcem vrtule Kontaktujte výrobce vrtule pro více informací Some other parts can be replaced in the field only by persons trained and approved by propeller manufacturer Contact propeller manufacturer for more information Strana 2 3 OBECNĚ 61 10 00 GENERAL Page 2 3 6 2 2012 2012 02 06 ...

Страница 20: ...elektrické 28V DC 1 vyhřívaná sekce B2 elektrické 28V DC 2 vyhřívané sekce 3 MODEL DESIGNATION Propeller V508 Type series V508 E 99 B B1 1 2 3 4 5 1 Hub type 2 Hub modification 7 and B basic version production closed D standard version D 2 reverse angle 8 D AG agricultural version min flight angle 10 Z agricultural version reverse angle 3 E with secondary stop E AG with secondary stop without de i...

Страница 21: ...ulových listů v závislosti na typu letounu je uvedeno v záznamníku vrtule Propeller V510 Type series V510 T 90 A A 1 2 3 4 5 1 Hub type 2 Hub modification blank základní verze AG AGRO version T aerobatic version 3 Propeller diameter in inches 4 Blade type according to certified hub blade combination 5 De icing A not installed B electrical 28V DC dual heating elements C electrical 3x200V AC The pro...

Страница 22: ...cí trubce Všechna pouzdra listu 4 DESIGN AND OPERATION INFORMATION The variable pitch propeller consists of the following main groups Propeller hub with blade bearings Pitch change mechanism Propeller blades Counterweights Propeller spinner De icing optional Propeller governor Oil NOTE See figures in this section for design of specific propeller type Propeller hub with blade bearings The one piece...

Страница 23: ...ns on the blade bushing faces Pitch change blocks transfer the linear motion of the piston with the fork to rotary motion of the blades Dual acting system is fully controlled by using of oil pressure from propeller governor including feathering Pressure oil for propeller working provide through the engine shaft and into the high and low pitch area in the hub is supplied by channels in the guide tu...

Страница 24: ...a oleje pro činnost vrtule je 40 C 40 F Counterweights Propellers are equipped with counterweights designed as part of the clamps Force from counterweights assist to move the blades into the high pitch position and if oil supply lost from governor move the blades into the feather position Propeller spinner The spinner dome and spinner bulkhead are made from aluminum alloy Filler plates on the spin...

Страница 25: ...ION AND OPERATION MANUAL Obrázek 4 1 Sestava vrtule V508 D D AG D 2 Z Figure 4 1 V508 D D AG D 2 Z Propeller assembly Strana 4 4 KONSTRUKČNÍ A PROVOZNÍ INFORMACE 61 10 00 DESIGN AND OPERATION INFORMATION Page 4 4 17 1 2014 2014 01 17 ...

Страница 26: ...na 2 64 O kroužek 2 29 Pojistka 2 65 O kroužek 2 30 Pojistná podložka 2 66 Reverzní narážka 2 31 Čep 2 67 O kroužek Tabulka 4 1 Seznam dílů k obrázku 4 1 1 1 Blade 2 32 Bushing 3 1 Spinnerdome 1 2 De icer 2 33 Liner 3 2 Spinner bulkhead 1 3 O ring 2 34 Screw 3 3 Nutplate 2 35 Spinner flange 3 4 Nutplate 2 0 Hub 2 36 Pin 3 5 Rivet 2 1 Piston 2 37 Pin 3 6 Screw 2 2 Cylinder 2 38 Liner 3 7 Washer 2 3...

Страница 27: ...TALLATION AND OPERATION MANUAL Obrázek 4 2 Sestava vrtule V508 E E AG Figure 4 2 V508 E E AG Propeller assembly Strana 4 6 KONSTRUKČNÍ A PROVOZNÍ INFORMACE 61 10 00 DESIGN AND OPERATION INFORMATION Page 4 6 17 1 2014 2014 01 17 ...

Страница 28: ...tka 2 65 O kroužek 7 16 Sestava sběrače 2 30 Pojistná podložka 2 66 Šroub 7 17 Šroub 2 31 Čep 2 67 Pouzdro 7 18 Podložka Tabulka 4 2 Seznam dílů k obrázku 4 2 1 1 Blade 2 32 Bushing 2 68 Slide valve 1 2 De icer 2 33 Liner 2 69 Support 1 3 O ring 2 34 Screw 2 70 Washer 2 35 Spinner flange 2 71 Spring 2 0 Hub 2 36 Pin 2 72 Spacer 2 1 Piston 2 37 Pin 2 73 Retaining ring 2 2 Cylinder 2 38 Back bushing...

Страница 29: ...00 INSTALLATION AND OPERATION MANUAL Obrázek 4 3 Sestava vrtule V508H Figure 4 3 V508H Propeller assembly Strana 4 8 KONSTRUKČNÍ A PROVOZNÍ INFORMACE 61 10 00 DESIGN AND OPERATION INFORMATION Page 4 8 17 1 2014 2014 01 17 ...

Страница 30: ...ložiska 2 67 Těsnící manžeta 2 32 Pouzdro beta táhla 2 68 Beta kámen 2 33 Vložka 2 69 Pojistný kroužek Tabulka 4 3 Seznam dílů k obrázku 4 3 1 1 Blade 2 34 Snap ring 2 70 Pin 2 35 Nut 2 71 Nut 2 0 Hub 2 36 Screw 2 72 Pin 2 1 Cylinder nut 2 37 Screw 2 2 Cylinder 2 38 Spring 3 1 Spinnerdome 2 3 Piston 2 39 Spring 3 2 Spinner bulkhead 2 4 Piston rod 2 40 Pitch change block 3 3 Ring 2 5 Fork 2 41 Wash...

Страница 31: ...00 INSTALLATION AND OPERATION MANUAL Obrázek 4 4 Sestava vrtule V510 Figure 4 4 V510 Propeller assembly Strana 4 10 KONSTRUKČNÍ A PROVOZNÍ INFORMACE 61 10 00 DESIGN AND OPERATION INFORMATION Page 4 10 17 1 2014 2014 01 17 ...

Страница 32: ...ací páska 2 33 Klec ložiska 2 72 O kroužek 7 30 Sestava sběrače 2 34 Váleček 2 73 O kroužek 2 35 Klec ložiska 2 74 O kroužek Tabulka 4 4 Seznam dílů k obrázku 4 4 1 1 1 1 Blade 2 36 Ball 2 75 O ring 1 2 De icer 2 37 Ball 2 76 O ring 2 38 Fork guide 2 77 O ring 2 0 Hub 2 39 Spring 2 78 O ring 2 1 Piston 2 40 Washer 2 79 O ring 2 2 Cylinder 2 41 Plate 2 80 O ring 2 3 Cylinder plate 2 42 Spring bushi...

Страница 33: ...cí vrtule na motor demontujte kámen zpětné vazby z páky regulátoru 5 INSTALLATION AND OPERATION INSTRUCTION A GENERAL CAUTION DO NOT STAND THE PROPELLER ON THE BETA RING OTHERWISE IT MAY BE DAMAGED LEADING TO INCORRECT FUNCTION OF THE BETA SYSTEM REMOVE THE SHIPPING PLUG FROM PROPELLER MOUNTING FLANGE AFTER IS HANGED ON THE CRANE FOR INSTALLING ON ENGINE 1 Install the propeller on the engine with ...

Страница 34: ... ze zadního krytu připevněte výztuhy zpět podle značení na dílech Obrázek 5 1 B SPINNER DOME REMOVAL 1 Remove the spinner dome from the propeller a The screws at half of the spinner dome indicate that the front plate is mounted inside Figure 5 1 Do not remove these screws to remove the spinner dome from the propeller However if the front plate has been removed reinstall it back into the spinner do...

Страница 35: ...OŘENE JE SUCHÁ C INSTALLING THE BLADES 1 The hub arms and the blades are marked with position numbers in ascending sequence from number 1 Always install the blade into the arm with corresponding position number a Position number of the hub arm is stamped on the arm b Blade position number follows the blade set number on the shank face for example S 274 2 Older blades may have the position number a...

Страница 36: ...ABNORMÁLNÍ VIBRACE Obrázek 5 3 Figure 5 2 5 Screw the blade very slowly into blade bushing until stop Then turn the blade back to align the position mark on the blade with the matching mark on the blade bushing See Figure 5 3 Maximum permitted misalignment between the blade mark and bushing mark is one half of the thickness of the blade mark CAUTION PAY CLOSE ATTENTION TO CORRECT POSITION OF THE B...

Страница 37: ...e matici na nejbližší pozici umožňující pojištění 6 Center the position pin in the slot of the clamp Figure 5 4 CAUTION MODEL V508Z HAS NOT POSITION PIN INSTALLED BEFORE TIGHTENING POSITION THE CLAMP SO THAT POSITION MARK ON THE CLAMP IS IN LINE WITH THE MARKS ON THE BLADE AND BLADE BUSHING FIGURE 5 5 Figure 5 4 Figure 5 5 7 Tighten the clamp Correctly position the bolt head Figure 5 6 and hold in...

Страница 38: ...DY NEPOVOLUJTE Obrázek 5 6 Obrázek 5 7 CAUTION 1 IF THE SHOULDERS TOUCH EACH OTHER AFTER TORQUING REMOVE THE PROPELLER FROM SERVICE AND CONTACT THE AVIA PROPELLER TOUCHING OF THE SHOULDERS AFTER ADDITIONAL TIGHTENING OF THE CLAMP BOLT FOR SAFETY WITH COTTER PIN DOES NOT AFFECT SERVICEABILITY OF THE PROPELLER CAUTION 2 NEVER LOOSEN THE NUT TO UNCOVER THE HOLE FOR COTTER PIN ONLY TIGHTEN Figure 5 6 ...

Страница 39: ...eřáb jak je popsáno výše v této kapitole Obrázek 5 8 D INSTALLING THE PROPELLER ON THE ENGINE 1 V508H propeller only To allow installing the mounting bolts the beta ring must be pulled toward the propeller mounting flange Refer to Figure 5 8 a Remove safety wire from cover caps screws if safety wired and remove cover caps from the propeller WARNING THE COVER CAPS ARE PRELOADED WITH THE SPRINGS IN ...

Страница 40: ...nasuňte vrtuli na přírubu motoru 3 Remove the shipping plug from propeller engine flange NOTE The shipping plug is attached to the propeller with mounting screws that will be used for attaching the propeller to the engine 4 Clean the propeller and engine mounting flange with solvent or gasoline Both surfaces must be dry and clean CAUTION AVOID CONTACT OF SOLVENT WITH THE O RINGS 5 Install the prop...

Страница 41: ...RUBU MOTORU Z PŘÍRUBY VRTULE CAUTION INSTALL THE PROPELLER ON ENGINE SLOWLY AND CAREFULLY TO AVOID DAMAGE OF PROPELLER AND ENGINE FLANGE OR DAMAGE OF THE O RINGS LEADING TO OIL LEAKAGE NOTE Two guide pins installed in two opposite mounting holes in propeller mounting flange may be used to support the propeller in proper position against the engine flange and make installation easier Refer to Speci...

Страница 42: ...igure 5 10 c Using the torque wrench and 19 mm 3 4 inch adaptor torque all mounting bolts using the procedure shown in Figure 5 11 d Safety all mounting bolts with 0 81 mm 0 032 inch stainless steel safety wire two bolts per safety CAUTION THE SAFETY WIRE MUST NOT PROTRUDE OVER THE OUTSIDE DIAMETER OF THE PROPELLER FLANGE AND ENGINE FLANGE 11 V508H propeller only Reinstall the beta system parts ba...

Страница 43: ...ůle je 0 25 mm 0 01 inch Figure 5 11 12 Make sure the specified side clearance is established between the carbon block and the beta ring a For propeller models that use L Type beta ring the side clearance of 0 15 to 0 18 mm 0 006 to 0 007 inch to be established between the carbon block and the beta ring when initially installing a new or overhauled propeller Figure 5 11 1 Maximum permitted side cl...

Страница 44: ...ebo regulátoru Obrázek 5 11 1 Obrázek 5 11 2 CAUTION MAKE SURE THE SIDE CLEARANCE EXIST THROUGHOUT FULL 360 DEGREES OF THE BETA RING ROTATION NOTE Sand the sides of the carbon block with fine sandpaper as needed to establish the side clearance 13 Install the carbon block assembly into the beta ring and on the beta feedback lever Attach the carbon block to the beta feedback lever per the airframe o...

Страница 45: ...áním C V takovém případě postupujte dle montážních instrukcí na další straně E DE ICING CONNECTION See the contacts marking for right connection Use the screws toothed washers for contacts screws plane washers for fixing screws and other components delivered by manufacturer Follow instructions shown below De icing system type B1 figure 5 12 Put the rubber terminal board in line with grooves on the...

Страница 46: ...á poloha vůči přenosovým kruhům dle obrázku 5 14 1 De icing system type C figure 5 13 Put the lower terminal board in line with holes in the clamp and connect cable to de icer Install the upper terminal board and sheet metal holder and attach all parts with fixing screws to the clamp Safety the screws with stainless steel wire 0 8 mm 0 032 inch Figure 5 13 De icing type C F BRUSH BLOCK INSTALLATIO...

Страница 47: ... the mounting bracket to 1 2 Nm 9 18 in lb Check correct distance and angle after tightening CAUTION OVERTIGHTENING THE SCREWS CAN CAUSE BIND OR HANG UP OF THE BRUSHES IN THEIR BLOCKS AND INCORRECT FUNCTION OF DE ICING SYSTEM 4 Check radial alignment of the brushes Make sure that the brushes are aligned so that the entire face of each brush contacts the copper ring throughout full 360 degrees of s...

Страница 48: ...nner dome is marked with mounting marks on the one of bulkhead filler plate and on the one of the spinner dome cutout usually at blade No 1 Lubricate a rubber ring inside the spinner dome with grease prior to be installed on the hub Use the delivered screws and washers to attach the spinner dome After right installation the numbers stamped on bulkhead filler plate and near the spinner dome cutout ...

Страница 49: ...pujte dle instrukcí pro motorovou zkoušku uvedené v Letové příručce Refer to section Propeller control system in this manual for complete information on basic adjustment for installations with governor Jihostroj LUN7815 and LUN7816 This section provides further information on additional adjustment testing and troubleshooting of the propeller governing system For propeller control system with Avia ...

Страница 50: ... vyjmuté listy speciální závěs instalovaný do jednoho pouzdra listu CAUTION IF THE PROPELLER BLADES MOVE FROM REVERSE POSITION IT IS NECESSARY TO STAY POWER AT GROUND IDLE UNTIL THE BETA LAMP IN THE COCKPIT SWITCHED OFF POWER INCREASING AT BETA LAMP SWITCH ON CAN CAUSED THE PROPELLER OVERSPEEDING Shut down the engine in accordance with the Flight Manual After ground runs check propeller for oil le...

Страница 51: ... změnu otáček vrtule je uvedený v tabulce 5 1 NOTE Make sure the sling is rated up to 200kg 440Lbs Remove two flange bolts from the engine flange Install two guide pins into opened threaded holes in the hub flange NOTE It is recommended to use the guide pins to avoid heavy damage of the engine flange during propeller removal Remove the propeller from the engine Remove guide pins from the hub flang...

Страница 52: ...H OTHER BE SAME ROTATED OTHERWISE THE PITCH CHANGE MECHANISM COULD BE DAMAGED BECAUSE OF THE WOBBLING OF THE BETA RING Figure 5 16 Adjustment of minimum flight angle of model V508H Table 5 1 Adjusting nut View S Propeller speed change RPM approximately 1 turn 100 2 turn 200 3 turn 300 1 turn 100 2 turn 200 3 turn 300 Seřizovací matice Pohled S Přibližná změna otáček vrtule 1 turn 100 2 turn 200 3 ...

Страница 53: ... způsobem namontujte i ostatní krycí víčka Obrázek 5 17 5 Put the spring guide with the spring back on the beta rod and insert to the hub 6 Install the cover cap back on the hub Tighten the screws and secure them against each other with 0 8 mm 0 032 inch stainless steel wire according to Figure 5 17 7 Install other cover caps in the same way Figure 5 17 Strana 5 17 MONTÁŽNÍ A PROVOZNÍ INSTRUKCE 61...

Страница 54: ...lu Vůle listu kde jsou uvedeny maximální povolené vůle listu 6 INSPECTIONS CAUTION ALL REMOVAL INSTALLATION AND REPAIR PROCEDURES MUST BE CARRIED OUT BY PERSONNEL WITH APPROPRIATE QUALIFICATION NOTE INSPECTIONS DESCRIBED IN THIS CHAPTER DO NOT SUPERSEDE INSPECTIONS DESCRIBED IN AIRCRAFT AND ENGINE MANUFACTURER S MANUALS A PRE FLIGHT CHECK NOTE Perform the pre flight check before each flight 1 Visu...

Страница 55: ...ku oleje z vrtule Postupujte dle oddílu Únik oleje nebo maziva v této kapitole pro zjištění zdroje úniku oleje NOTE The blade play of models V508 is normal due to different design of the retention bearing 5 Check hardware for loose or missing 6 Inspect the de icers if installed for damage and unsticking Contact Avia Propeller if problem is noted 7 After engine start up check the propeller speed co...

Страница 56: ...topy koroze v závitu listu neodstraňujte žádným pilníkem brouskem ani jiným nástrojem Použijte pouze čistou utěrku pro očistění povrchu 4 Check the blades for play or movement per Loose blades in this chapter 5 Check de icing components if installed per Electric de icing system in this chapter 6 Inspect safety of mounting bolts If safety wire is loosen broken or if missing check correct torque of ...

Страница 57: ...átoru o přibližně 2 Tento úkon opakujte pětkrát Páka ovládání vrtule je v poloze maximálních otáček b Corrosion marks in the blade bushing thread not exceed 1 5 of circumference for first and second thread from outside and 1 4 of circumference for other threads and bushing bottom Use special hand glass for inspection of threads backside NOTE Wipe the corrosion marks in the bushing thread with a cl...

Страница 58: ...ž C v této kapitole V některých případech jsou zde uvedeny postupy pro odstranění závady Figure 6 1 Overspeed governor test g Propeller speed in the 3rd to 5th cycle should not exceed 2000 RPM Possible propeller surging at the overspeed governor test is acceptable if the setting value of the governor will not be exceeded NOTE If propeller RPM during the test exceeded the value setting on governor ...

Страница 59: ...du vadného těsnění prohlédněte důkladně celý povrch vrtulové hlavy na výskyt trhliny 1 Grease or oil leakage CAUTION Do not clean the propeller parts It can complicate the detection of the source of leakage NOTE A new or newly overhauled propeller may leak slightly during the first several hours of operation This leakage may be caused by the seating of seals and o rings and the slinging of lubrica...

Страница 60: ...8 mm 0 032 inch pouze vrtule V508 2 Vibration WARNING ABNORMAL VIBRATION CAN INDICATE THE DAMAGE OF PROPELLER BLADE OR BLADE BEARING COMPONENT IT MAY LEAD TO IN FLIGHT BLADE SEPARATION AND CATASTROPHIC AIRCRAFT ACCIDENT THE SOURCE OF VIBRATION MUST BE IMMEDIATELY DETERMINED AND CORRECTED a Troubleshooting procedures typically begin with an investigation of the engine Aircraft components such as en...

Страница 61: ... papíru pod špičku nejnižšího listu Tužkou nakreslete čáru podél celé šířky špičky listu CAUTION Any blade play except radial play is not acceptable for propeller model V510 Figure 6 3 Blade play b Blades with movement greater than allowable limits or that do not return to their original position when released may indicate internal wear or damage that should be referred to Avia Propeller 4 Blade t...

Страница 62: ... kontaktů po dotažení pojistěte červenou pojišťovací barvou c Zkontrolujte kabely na poškození c Rotate the propeller manually in the direction of normal rotation and repeat this procedure with another blade tips d The marked lines of all blade tips should be separated by not more than 3 mm 0 12 inch CAUTION Difference greater than 3 mm 0 12 inch may be an indication of bent blades or damage of pr...

Страница 63: ...iv otvoru větší než 8 mm 0 315 inch všechny uhílky musí být vyměněny d Inspect the brushes of the brush block for damage e Inspect the brushes of the brush block for excessive wear as follows 1 Brush block P N P3560 Remove the back cover Insert a 2 5 mm 0 1 inch diameter rod into each check hole in the brush block If the length of the rod inserted into any hole exceeds 33 5 mm 1 3 inch then all br...

Страница 64: ...ol na konci této kapitoly a zaslán společně s vrtulí k výrobci nebo do autorizovaného servisního střediska Obrázek 6 7 Přetočení vrtule E SPECIAL INSPECTIONS 1 Overspeed Overtorque Overspeed occurs if the propeller RPM exceeds the maximum RPM published in Type Certificate Data Sheet of applicable propeller type Overtorque occurs when the engine load exceeds the limits established by the engine pro...

Страница 65: ...ožadováno vyřazení vrtule musí být vrtule stažena z provozu Taková vrtule je neopravitelná Figure 6 8 Overtorque event For engine mounted accessories governors pumps propeller control units manufactured by Avia Propeller any overspeed at a severity level and or duration sufficient to require at minimum a search inspection for the propeller will require the accessory to be disassembled and inspecte...

Страница 66: ...nerální opravy u výrobce nebo v autorizovaném servisním středisku 2 Lightning strike In the event of a propeller lightning strike an inspection is required before further flight It may be permissible for a propeller to be operated for an additional 10 hours of operation if the propeller is not severally damaged For additional 10 hours of operation before propeller removal disassembly and inspectio...

Страница 67: ...obky zatížení letounu vrtule musí být zkontrolována v Avia Propeller nebo autorizovaném servisním středisku 4 Exposure to fire or heat Exposure to fire or extreme heat requires the inspection of the propeller and engine mounted accessories manufactured by Avia at manufacturer or authorized service centre 5 Engine oil contamination Engine oil contamination requires the inspection of the propeller a...

Страница 68: ... engine S No Reduction gear Type of propeller governor S No Type of propeller hub S No Type of propeller blade S No of blade 1 2 3 4 5 Max overspeed note whether being indicated or estimated Propeller position e g take off cruise Pre selected speed Pre selected manifold Press Airspeed Flight Altitude Overspeed time Flight attitude during overspeed Flight weight during overspeed Supposed cause of o...

Страница 69: ...ngine S No Reduction gear Type of propeller governor S No Type of propeller hub S No Type of propeller blade S No of blade 1 2 3 4 5 Max overtorque note whether being indicated or estimated Propeller position e g take off cruise Pre selected speed Pre selected manifold Press Airspeed Flight Altitude Overtorque time Flight attitude during overtorque Flight weight during overtorque Supposed cause of...

Страница 70: ...le není nezbytné není li výrobcem letounu nebo motoru stanoveno jinak 7 MAINTENANCE There are no frequent maintenance works required on the hub because all moving parts are inside the hub and not exposed to the environment Blade bearings and pitch change mechanism are filled with service oil during propeller operation A corrosion protection of the hub with thinned engine oil or anticorrosion spray...

Страница 71: ...ově chráněné podložky 1 Overview Dynamic balance is accomplished by using an accurate means of measuring the amount and location of the dynamic imbalance After such a undertake the remaining imbalance should be below 0 2 ips Follow the instructions from the equipment manufacturers for dynamic balance If the dynamic imbalance is bigger than 1 2 ips the propeller must be removed from service and sta...

Страница 72: ...ostupujte dle kapitoly Montážní a provozní instrukce c Do not exceed maximum weight per location of 25g This is approximately equal to six AN970 3 style washers d Weights are to be installed using aircraft quality 10 32 inch screws bolts Balance weight screws attached to the spinner bulkhead must protrude through the self locking nuts a minimum of one thread and a maximum of four threads e All pro...

Страница 73: ...ní na sací a tlakové straně listu V508 D BLADE REPAIR CAUTION Rework which involves cold working the metal resulting in concealment of a damaged area is not permitted A stress concentration may exist which can result in a blade failure WARNING DO NOT ATTEMPT TO PRE STRAIGHTEN A BLADE PRIOR TO DELIVERY TO PRODUCTION FACILITY OR AN APPROVED PROPELLER REPAIR STATION THIS WILL CAUSE THE BLADE TO BE SC...

Страница 74: ...o místa má být 30 krát větší než jeho hloubka The repair should be maximum of 1 5 mm 0 06 inch deep but not more than 20 percent of total thickness of the blade in the place of repair Total area of all repairs must not exceed 40cm 2 6 2 square inch Distance between the repairs in the blade width must be min 40 mm 1 57 inch and its total width must not exceed one half of the blade width in the plac...

Страница 75: ...i 280 4 Proveďte nátěr opravené plochy dle postupu v této kapitole Obrázek 7 3 Místní oprava povrchu listu c Repair procedure 1 Use a small hand held rotary grinder with grinding wheel or 80 grit sandpaper to remove damage from blade surface as displayed in figure 7 3 2 Use 10X magnifying glass to verify that the damage was totally removed 3 Polish the repaired area with red ScotchBrite or 280 gri...

Страница 76: ...0 06 inch Tabulka 7 1 Přípustné místní opravy na náběžné a odtokové hraně listu V508 2 Local repair of leading and trailing edge a V508 propeller blade Refer to figure 7 4 and table 7 1 for allowable depth number and location of the local repairs Reduction in width max 1 mm 0 04 inch for leading edge max 2 mm 0 08 inch for trailing edge Figure 7 4 V508 blade areas referring to Table 7 1 Area of th...

Страница 77: ...mm 0 047 inch Tabulka 7 2 Přípustné místní opravy na náběžné a odtokové hraně listu V510 b V510 propeller blade Refer to tigure 7 5 and table 7 2 for allowable depth number and location of the local repairs Reduction in width max 1 mm 0 04 inch for leading edge max 1 5 mm 0 06 inch for trailing edge Figure 7 5 V510 blade areas referring to Table 7 2 Area of the blade measured from the tip acc to F...

Страница 78: ...ti 280 4 Proveďte nátěr opravené plochy dle postupu v této kapitole Obrázek 7 6 Místní oprava hrany listu c Repair procedure 1 Use a small hand held rotary grinder with grinding wheel half round mill file or 80 grit sandpaper to remove damage from blade edge as displayed in figure 7 6 2 Use 10X magnifying glass to verify that the damage was totally removed 3 Polish the repaired area with red Scotc...

Страница 79: ...stů byl rovnoběžně se zemí Změřte úhel listu a poznamenejte si ho 3 Painting after repair Treat the repaired area to prevent corrosion Apply chemical conversion coating and finish coating as follows 1 Wipe the surface with acetone or MEK 2 Apply corrosion preventive coating Alodine 1200 or Alodine 1132 Touch N Prep to the bare aluminum surface Follow manufacturer s directions 3 Apply the finish co...

Страница 80: ...Záznamníku vrtule s uvedením že došlo ke změně polohy poziční rysky 2 Rotate the propeller to place another blade to the same position as the previous blade was measured Measure and note the angle 3 Measure the angle of all blades by the same way c If the difference in angle of all blades is between 0 3 degrees the installation is correct d When the difference in angle of all blades is above 0 3 d...

Страница 81: ...ru nebo regulátoru b Nastavte pozemní volnoběžný výkon motoru dle instrukcí výrobce motoru 8 TROUBLESHOOTING A NORMAL OPERATION Trouble Static propeller rpm at idle are higher Probably cause a Clearance between beta ring and carbon block is higher than 0 4 mm 0 016 inch b After return from beta mode of operation the beta lever on the governor did not returned to its basic position c Minimum flight...

Страница 82: ... signalizace Náprava a Postupujte dle instrukcí výrobce motoru b Postupujte dle instrukcí výrobce letounu Trouble It is not possible to change propeller rpm using the propeller condition lever Probably cause a Disconnected the governor control linkage b Propeller governor failure Remedy a Verify and repair the governor control linkage per instruction of engine manufacturer b Replace the governor p...

Страница 83: ... a Postupujte dle instrukcí výrobce motoru b Postupujte dle instrukcí výrobce motoru Trouble Propeller rpm in flight does not reach maximum rpm Probably cause a Propeller condition lever does not reach maximum rpm stop b Incorrect adjustment of the propeller governor c Pressure in propeller control system is not sufficient Remedy a Verify control linkage place the lever into position of maximum rp...

Страница 84: ... instrukcí výrobce motoru Trouble High propeller overspeed at acceleration Probably cause a Incorrect adjustment of minimum flight pitch beta ring position b Defective governor Remedy a Verify and adjust the minimum flight pitch Model V508H chapter Installation and Operation Instructions of this manual Installation with governor Jihostroj LUN7815 or LUN7816 chapter Propeller Control System of this...

Страница 85: ...tlak v systému Postupujte dle výrobce motoru Trouble Vibration Probably cause a Blades are set to different angles b Loose blade bearing c Cracks at spinner dome surface d Incorrect propeller installation e Incorrect static balance f Incorrect dynamic balance Remedy a Check the correct installation of the blades in the bushings see section Installation and operation instruction b If loose blade be...

Страница 86: ...b Vyměňte tlakový spínač dle instrukcí výrobce letounu c Postupujte dle instrukcí výrobce motoru Trouble Feathering too long longer than 8 seconds or not finished Probably cause a Feathering pump produces lower pressure b Failure in electrical circuit e g relay timer etc c Leakage in oil transfer system Remedy a Verify feathering pump voltage for feathering pump Follow instruction of aircraft manu...

Страница 87: ...anismu Možná příčina a Poškozené těsnění válce Náprava a Vrtuli zašlete k výrobci nebo do autorizovaného servisního střediska C DE ICING Trouble Radio communication is interfered at de icing switched on Probably cause a Damaged or excessive worn brushes b Dirty copper slip rings c Damaged or excessive worn copper slip rings d Bad contact in electrical circuit Remedy a Check the brushes per chapter...

Страница 88: ... být ihned stažena z provozu a odeslána k výrobci nebo do autorizovaného servisního střediska Trouble Blade bearing leakage Probably cause a Defective sealing in the blade bearing Remedy a Send the propeller to manufacturer or authorized repair centre Trouble Leakage in the propeller flange area Probably cause a Defective o ring between propeller and engine flange b Defective o ring in the guide b...

Страница 89: ...U FUNKCI VRTULE VÍCE INFORMACÍ V SERVISNÍM BULLETINU č 1 VÝROBCE AVIA PROPELLER 9 SHIPPING AND STORAGE Use an original shipping boxes and fixing elements for any shipment of the propeller and blades If it is not possible properly fix the hub and blades to avoid damage during the shipment Use an original hub flange protecting plug or protect the hub flange properly with soft material during the shi...

Страница 90: ...vací páka Páka pro povolení montážních šroubů matic a matic objímek listu Tabulka 10 1 Speciální nářadí 10 SPECIAL TOOL Refer to table 10 1 for complete list of necessary tool for installation of propeller on engine removal from engine and specified maintenance Also recommended tool may be listed Designation Description Illustration Torque wrench Wrench to tighten and torque the mounting bolts exc...

Страница 91: ...rze V508 V510 V508 V510 atuální verze Tabulka 10 1 Speciální nářadí pokračování Designation Description Illustration Hexagon key wrench Wrench to install and remove spinnerdome screws Overspeed governor wrench P N 800 120 replaces wrench P N 066 7103 Wrench to remove and install overspeed governor cover during the test at 900 hour 2 year inspection Not apply to hub models V508Z and V508H Apply onl...

Страница 92: ... viz Montážní a provozní instrukce Tabulka 10 1 Speciální nářadí pokračování Designation Description Illustration Wrench P N 900 0176 model V508H only Adjustment of minimum flight angle of model V508H refer to Installation and operation instruction Table 10 1 Special tool cont d Strana 10 3 SPECIÁLNÍ NÁŘADÍ 61 10 00 SPECIAL TOOLS Page 10 3 19 9 2019 2019 09 19 ...

Страница 93: ...LER E 1500 INSTALLATION AND OPERATION MANUAL Tato strana je záměrně prázdná This page is intentionally left blank Strana 11 1 SYSTÉM OVLÁDÁNÍ VRTULE 61 10 00 PROPELLER CONTROL SYSTEM Page 11 1 6 2 2012 2012 02 06 ...

Страница 94: ...oru a její otáčky jsou poměrné k otáčkám vrtule Hřídel je propojena se závažími se kterými se společně otáčí 11 PROPELLER CONTROL SYSTEM 11 1 INTRODUCTION A General This chapter is addressed only to installation with governor Jihostroj P N LUN7815 or LUN7816 For propeller control system with Avia governor refer to Avia Operation and Installation Manual E 1707 For propeller control system with othe...

Страница 95: ... a všechny ostatní síly together Centrifugal force of flyweights acts against speeder spring This force represents real propeller RPM The flyweight centrifugal force acts on pilot valve support The force from speeder spring acts on the second side of the support The pilot valve support is connected with pilot valve which controls oil flow to or from the propeller There are three basic conditions f...

Страница 96: ...LATION AND OPERATION MANUAL Obrázek 11 1 Funkce regulátoru otáček Figure 11 1 Propeller governor function LUN 7815 LUN 7816 A B C Strana 11 4 SYSTÉM OVLÁDÁNÍ VRTULE 61 10 00 PROPELLER CONTROL SYSTEM Page 11 4 13 4 2010 2010 04 13 ...

Страница 97: ...alizována v kabině kontrolní žárovkou Po restartu motoru a nastavení volnoběhu dojde k odpraporování vrtule C Beta mode of operation Beta mode of operation is used to decrease propeller thrust at taxiing or to set negative thrust after landing It allows to set any position between minimum flight pitch and maximum reverse at control of engine power simultaneously For the propeller governors LUN 781...

Страница 98: ...A PROPELLER E 1500 INSTALLATION AND OPERATION MANUAL Obrázek 11 2 Činnost regulátoru v režimu beta řízení Strana 11 6 SYSTÉM OVLÁDÁNÍ VRTULE 61 10 00 PROPELLER CONTROL SYSTEM Page 11 6 13 4 2010 2010 04 13 ...

Страница 99: ...ROPELLER E 1500 INSTALLATION AND OPERATION MANUAL Figure 11 2 1 Governor function in beta mode of operation Strana 11 7 SYSTÉM OVLÁDÁNÍ VRTULE 61 10 00 PROPELLER CONTROL SYSTEM Page 11 7 13 4 2010 2010 04 13 ...

Страница 100: ...KU NELZE POVOLOVAT A PŘESTAVOVAT JE SEŘÍZENA VÝROBCEM REGULÁTORU POZNÁMKA Díly 15 16 29 32 37 58 a 65 jsou seřizovací regulační prvky b Automatic feathering Action is similar to manual feathering only the activation is automatic based on engine torque evaluation Usually the automatic system is limited to some engine condition lever range Automatic feathering is indicated by a lamp in the cockpit t...

Страница 101: ...o kulisu Sv viz obrázek 11 4 Obrázek 11 3 Regulátor LUN7815 02 Pohled směrem k motoru 5 With Bc lever figure 11 3 in basic position guideline on the lever with cam aligns with minimum flight pitch guideline on the governor scale and the control lever pin touches the stop 58 verify Rn lever travel between stops 15 and 16 CAUTION IF THE LEVER Rn IS NOT TOUCHING THE STOP 15 DON T MOVE THE LEVER Bc FR...

Страница 102: ... TUHÝ PÁKA KLADE ODPOR POUZE PŘI PŘECHODU PRVKU 37 BLOKOVACÍHO MECHANISMU NA VRCHOLOVOU KRUŽNICI VAČKY Figure 11 4 Governor LUN7815 02 View from engine 7 Secure with suitable manner the rod Sv 65 against moving NOTE Install the rod after governor basic adjustment see section 11 6 8 With lever Rn at maximum RPM stop 15 verify lever Bc travel from basic position up to reverse when the guideline on t...

Страница 103: ...ka po uvolnění se musí šoupátko vrátit samo zpět Proveďte minimálně 3x Figure 11 5 Governor LUN7815 02 View from propeller 9 Verify the carbon block assembly figure 11 6 for damage and completeness 10 Grease carbon block assembly pins with grease WARNING REMOVE DAMAGED CARBON BLOCK ASSEMBLY FROM OPERATION 11 Verify function of the microswitch V figure 11 3 by moving lever Zv in the direction of ar...

Страница 104: ...te regulátor na reduktor motoru ozubení torzní tyčinky musí zapadnout do náhonu v reduktoru Figure 11 6 Carbon block assembly 14 Verify governor flange and gear box flange Both surfaces must be clean and free from any damage Use a clean cloth eventually with cleaning solvent to wipe seating faces 15 Insert drive rod into the governor shaft with square inward figure 11 4 Try to turn with drive rod ...

Страница 105: ...je instalován elektrohydraulický ovladač LUN7880 a pomocní čerpadlo LUN7840 postupujte následovně 18 Fix the governor using four bolts figure 11 7 using suitable wrench A spring washer is at bolt head and the second washer is inserted into governor flange recess with chamfer facing governor Secure at least three bolts using stainless steel lock wire figure 11 7 Figure 11 7 Governor mounting bolts ...

Страница 106: ...k 11 3 a pojistěte Obrázek 11 8 Připojení LUN7880 a LUN7840 a Remove locking wire on the turning screw figure 11 8 and loose it Loose tube at the valve LUN7880 and tube from the auxiliary pump LUN7840 at the engine wall b Connect the tube from valve LUN7880 to the fitting with arrow and lightly tighten CAUTION Arrow on non return valve must point up as shown on the figure Keep tubes clean c Connec...

Страница 107: ...vte páku Bc dále až na bezpečnostní doraz UPOZORNĚNÍ Chod páky Bc nesmí být tuhý 23 Connect the control rod from engine to the lever Bc in its basic position guideline on the lever with cam is aligns with minimum flight pitch guideline on the governor scale and the control lever pin touching the stop 58 figure11 3 and secure 24 Connect plug to the beta switch and secure 25 Adjust the governor acco...

Страница 108: ...ospínače V obrázek 11 9 10 Kulová ložiska prvků 29 32 a další příslušné povrchy namažte vazelínou Figure 11 9 Governor LUN7815 03 View to engine 7 Verify the carbon block assembly figure 11 6 for damage and completeness 8 Grease carbon block assembly pins WARNING REMOVE DAMAGED ASSEMBLY FROM OPERATION 9 Verify function of the microswitch V figure 11 9 by moving lever Zv in the direction of arrow f...

Страница 109: ...NTOVANÉHO REGULÁTORU 13 Pokud je instalována vrtule sejměte nosič kluzných kamenů z páky Zv obrázek 11 6 Figure 11 10 Governor LUN7815 03 View from engine 11 Verify governor flange and gear box flange Both surfaces must be clean and free from any damage Use a clean cloth eventually with cleaning solvent to wipe seating faces 12 Insert drive rod into the governor shaft with square inward figure 11 ...

Страница 110: ...ř Pojistěte nejméně tři šrouby nerezovým vázacím drátem obrázek 11 7 Figure 11 11 Governor LUN7815 03 View from propeller CAUTION DO NOT INSTALL THE GOVERNOR WITH THE CARBON BLOCK ASSEMBLY INSTALLED WHEN THE PROPELLER IS INSTALLED 14 Use correct and clean packing Place the governor onto engine gear box Drive rod gearing must be correctly inserted into the gear box drive 15 Fix the governor using f...

Страница 111: ...ací matice obrázek 11 8 proveďte až po montáži trubek 4 Zkontrolujte plomby a zajištění obrázky 11 12 11 13 16 If the propeller is not in feather move it to feather by turning blades to move the beta ring that it seats at the propeller hub CAUTION CATCH THE BLADES AT ITS SHANK NEVER AT BLADE TIP NOTE It is recommended to move the lever Rn to feather stop 16 to facilitate servomechanism movement 17...

Страница 112: ...toru a čep ovládací páky se dotýká dorazu překontrolujte chod páky Rn od dorazu 15 k dorazu 16 Figure 11 12 Governor LUN7816 View to engine CAUTION BE CAREFUL AT SECURING ELEMENT 32 FIGURES 11 13 AND 11 14 LOCKING WIRE AND COTTER PIN LEFT THREAD IS MARKED WITH L NOTE Parts 15 16 and 32 are adjustable 5 With Bc lever figure 11 12 in basic position guideline on the lever with cam aligns with minimum...

Страница 113: ... ve směru šipky obrázek 11 13 se přesvědčte poslechem o sepnutí mikrospínače V obrázek 11 12 Figure 11 13 Governor LUN7816 View from engine 6 With lever Rn at maximum RPM stop 15 verify lever Bc travel from basic position up to reverse when the guideline on the lever with cam is against reverse range on the governor scale Then move the lever Bc further to safety stop CAUTION Lever Bc travel should...

Страница 114: ...NĚNÍ NEINSTALUJTE REGULÁTOR S NASAZENÝMI KLUZNÝMI KAMENY POKUD JE VRTULE INSTALOVÁNA NA MOTORU Figure 11 14 Governor LUN7816 View from propeller 10 Grease bearings of elements 29 32 and other appropriate surfaces 11 Verify governor flange and gear box flange Both surfaces must be clean and free from any damage Use a clean cloth eventually with cleaning solvent to wipe seating faces 12 Try to turn ...

Страница 115: ...šroub se při dotahování nesmí příčit mohl by být poškozen závit v regulátoru 14 Use correct and clean packing Place the governor onto engine gear box Drive rod gearing must be correctly inserted into the gear box drive 15 Fix the governor using four bolts figure 11 7 using suitable wrench A spring washer is at bolt head and the second washer is inserted into governor flange recess with chamfer fac...

Страница 116: ...z centráže a sejměte z příruby reduktoru UPOZORNĚNÍ DBEJTE ABY NEDOŠLO K POŠKOZENÍ SBĚRACÍCH KROUŽKŮ A ZADNÍHO KRYTU e Verify whether the ball 5 16 is inside the fitting and tighten the nut Secure the connection with locking wire figure 11 12 19 Connect rod from RPM control system to the lever Rn figure 11 12 and secure 20 Connect the control rod from engine to the lever Bc in its basic position g...

Страница 117: ... aby beta kroužek dosedl na vrtulový náboj UPOZORNĚNÍ VRTULOVÉ LISTY UCHOPTE V KOŘENOVÉ ČÁSTI NIKDY NE U ŠPIČKY 9 LUN7815 only If the drive shaft is in gear box drive remove it and place into governor shaft NOTE The drive shaft must have marked governor S N 10 Cover the governor flange using packing and appropriate cap 11 Reinstall the carbon block assembly onto the lever Zv 12 Cover governor fitt...

Страница 118: ... beta kroužkem a kameny je přibližně stejná na obě strany Obrázek 11 15 Seřízení prvkem 32 Obrázek 11 16 Vůle beta kroužku c Remove lock wire at both ends of 32 securing both nuts to the rod and loose the nuts NOTE Left thread is marked with letter L d Pull the propeller using blade part as close as possible to blade shank in flight direction to eliminate axial play and keep this arrangement durin...

Страница 119: ... Measure total clearance as follows Without gage 1531 042 press lightly the carbon block assembly to one side of the beta ring figure 11 16 and measure the total clearance using feeler gauge h After adjustment and clearance measurement tighten both nuts of the rod 32 and secure with lock wire Table 11 1 Min flight pitch adjustment of propellers V508 Type Series with governor LUN7815 Hub model Typ ...

Страница 120: ...ÁDACÍ PÁKA VRTULE NENÍ V POLOZE MAXIMÁLNÍCH OTÁČEK Obrázek 11 17 Rozpojení táhla Sv 2 Axial clearance of blocking valve adjustment with element 37 and coupled connection 65 for propeller governor LUN7815 02 a Move the propeller condition lever in cockpit to position of maximum RPM The governor lever Rn move then to maximum RPM stop 15 b Verify whether rod Sv 65 is disconnected from the gate Sv fig...

Страница 121: ...k 37 maticí a pojistnou podložkou g Dráhu vačky namažte doporučeným plastickým mazivem Figure 11 18 Adjustment of axial clearance of blocking valve IT IS FORBIDDEN TO MOVE PROPELLER CONDITION LEVER FROM MAXIMUM RPM POSITION INTO FEATHER WHEN ENGINE CONDITION LEVER IS IN REVERSE POSITION e Press fully the blocking valve with hand and measure clearance in between the cam and setting element 37 on th...

Страница 122: ...až po kontrole základního seřízení podle této kapitoly Obrázek 11 19 Seřízení táhla Sv h Move the engine condition lever in aircraft cockpit from reverse position back to minimum flight pitch i Adjust the blades by hand so that the beta ring protruded from the propeller hub and fix it by appropriate means at distance of 4 5 mm 0 177 inch from the hub flange Place the rod Sv 65 with yoke onto the g...

Страница 123: ...Í Obrázek 11 20 Seřízení mikrospínače signalizace BETA A elektrický okruh vypnutý B elektrický okruh zapnutý 3 BETA range microswitch adjustment for governors LUN7815 02 LUN7815 03 a Energize BETA range circuit in the aircraft cockpit NOTE During adjustment ask another person for assistance in the aircraft cockpit b Adjust the setting screw 38 on the lever contacting the microswitch such way that ...

Страница 124: ...zástrčky obrázek 11 20 e Všechny šrouby kterými se provádělo seřizování pojistěte pojišťovacím lakem NOTE Switching on off of the electric circuit by the microswitch V should be tested either by the lever Zv after removing the carrier of the slide blocks or with help of two mechanics by manual adjustment of the propeller blades Set the propeller control lever in the cockpit to position feather car...

Страница 125: ... seřízení podle této kapitoly Obrázek 11 21 Seřízení reverzního výkonu rysky 4 Maximum reverse output adjustment only for propeller governor LUN7815 02 a Verify that rod Sv 65 is disconnected from the gate Sv If not loose and remove nut and remove the pin Then disconnect the rod from its gate figure 11 17 b Fix the loosen rod Sv 65 using lock wire to the governor such way that it will not be reduc...

Страница 126: ...přestavte ji do této polohy Obrázek 11 22 Seřízení rozměru Y B Propeller Governor LUN7816 1 Governor adjustment with element 32 Perform when the propeller is installed the propeller governor is installed the engine is installed Adjustment of minimum flight pitch using the governor element 32 after installation on the engine and at propeller reinstallation a Verify before adjustment 1 The beta ring...

Страница 127: ... JE NAMONTOVÁNO JEDNÍM KONCEM NA SLEDOVACÍ PÁKU A DRUHÝM NA PÁKU Zv Figure 11 23 Lever Bc basic position b Remove lock wire at both ends of 32 securing both nuts to the rod and loose the nuts left and right thread c Find dimension X in the governor documentation d Add to the dimension X appropriate constant Z tables 11 2 or 11 3 for specific propeller type so the final dimension will be Y X Z mm C...

Страница 128: ...y 84 99A 99B Only Pouze V508D AG With blades S listy 84 99A 99B All models Všechny verze With blades S listy 106 LUN7816 LUN7816 01 1535 002 4 4 mm 0 173 inch 15 10 12 8 3 5 8 8 0 1 mm 0 346 0 004 inch 3 7 mm 0 146 inch 14 9 11 7 2 4 9 5 0 1 mm 0 374 0 004 inch 2 9 mm 0 114 inch 13 8 10 6 1 3 10 1 0 1 mm 0 398 0 004 inch 2 1 mm 0 083 inch 12 7 9 5 0 2 10 8 0 1 mm 0 425 0 004 inch 1 35 mm 0 053 inc...

Страница 129: ...4 mm Measure this clearance using following procedure press the carbon block assembly to one side of the beta ring and use feeler gauge to measure the total clearance g After adjustment and clearance measurement tighten both nuts of the rod 32 figure 11 24 left and right thread and secure with recommended lock wire Governor type Typ regulátoru Lever Sv type Typ páky Sv Constant Z for calculation o...

Страница 130: ...Ě PÁKOU SE SEŘIZOVACÍM ŠROUBEM 38 ZATLAČIT VE SMĚRU ŠIPKY TLAČÍTKO MIKROSPÍNAČE DÁLE DO MECHANICKÉHO CAUTION Propeller manufacturer not allowed different flight angle setting from angles specified in tables 11 2 and 11 3 Figure 11 24 Rod 32 adjustment and securing 2 BETA range microswitch adjustment Perform when the propeller governor is installed the engine installation a Energize BETA range circ...

Страница 131: ...y šrouby kterými se provádělo seřizování pojistěte pojišťovacím lakem MICROSWITCH V TOWARD THE MECHANICAL STOP OTHERWISE THE DAMAGE OF THE MICROSWITCH COULD HAPPEN LOCK THE ELEMENT 38 WITH NUT NOTE Closing and breaking of the electric circuit by the microswitch V should be tested either by the lever Zv after removing the carrier of the slide blocks or with help of two mechanics by manual resetting...

Страница 132: ...pnici regulátoru obrázek 11 26A Obrázek 11 25 Seřízení max reverzního výkonu páka Sv 3 Maximum reverse output adjustment Perform when the propeller governor installation the engine installation a Disconnect linkage from engine power lever at engine b Loose and remove nut and screw from the lever Sv figure 11 25 pull carefully the lever such way that it passes stop pin at turning NOTE Don t remove ...

Страница 133: ... příručky letounu Následně znovu kontrolujte dorazové polohy volnoběh a max reverz d Connect linkage to the lever Bc such way that lever position stop will not be changed and verify fuel control unit setting according to the engine operational manual e Move with assistant engine power lever at engine disconnected from linkage to full reverse position and check 1 Guideline on the governor lever sho...

Страница 134: ...A ZÁPORNÝCH ÚHLŮ NESMÍ BÝT OVLÁDACÍ PÁKA VRTULE PŘESTAVOVÁNA DO PRAPOROVÉ POLOHY A NAOPAK i Slip the lever Sv to its original position after adjustment and reinstall the screw with securing washer tighten and secure NOTE Attend to setting the hole for the screw against groove in the sleeve valve at lever Sv installation into original position j Tighten and secure connecting points on the lever Bc ...

Страница 135: ...i beta kroužkem a kameny nosiče dle postupu v kapitole 11 6 Figure 11 27 Governor LUN7815 02 Basic adjustment check f Place the engine condition lever into maximum reverse position guideline on the cam lever must be aligned with BETA range on the governor scale figure 11 27B If not adjust according to the engine operational manual g Connect the rod Sv 65 screw the nut and secure with cotter pin WA...

Страница 136: ...ýměně motoru vrtule nebo regulátoru otáček vrtule 2 Basic adjustment check only for governor LUN7815 03 a Propeller condition lever must be placed in maximum RPM position and then the lever Rn must be at maximum RPM stop 15 b Place the propeller condition lever into the feather position and fix the lever Rn must be at its feather stop 16 Place the propeller condition lever back to the maximum RPM ...

Страница 137: ... s praporovacím čerpadlem 1 Ovládací páku motoru přestavte do polohy max trvalého výkonu 2 Signalizace PRAPOROVÉ ČERPADLO se nerozsvítí Perform in the extent to verify appropriate functionality after exchange of other propeller control system instruments a Start the engine according to the aircraft Flight Manual b Warm up engine oil to 60 65 C 140 150 F c Purge the propeller control system 1 Place...

Страница 138: ...NÍ podle Letové příručky letounu b Na palubních stopkách kontrolujte dobu od rozsvícení do zhasnutí signalizace PRAPOROVÉ ČERPADLO musí být 12 15 s g Propeller control lever function check 1 Engine control lever in maximum continuous power position 2 Set with propeller control lever propeller RPM to 1900 rpm then reduce RPM with propeller control lever to 1700 rpm and back to previous position 3 P...

Страница 139: ... být shodné e proveďte kontrolu těsnosti spojů vrtule f provedenou zkoušku zapište do Záznamníku vrtule 3 EMERGENCY FEATHERING check a Switch off FEATHERING breaker b Set engine control lever to idle c Move propeller control lever from maximum RPM position to feather position d Propeller speed is about 350 rpm in feather position e Move propeller control lever back to maximum RPM position Propelle...

Страница 140: ...kejte až otáčky vrtule dosáhnou výchozí hodnoty B Propeller Governor LUN7816 1 Basic adjustment check a Propeller condition lever must be placed in maximum RPM position and then the lever Rn must be at maximum RPM stop 15 b Place the propeller condition lever into the feather position and fix the lever Rn must be located at its feather position 16 Place the propeller condition lever back to the ma...

Страница 141: ... 3 Odjistěte mechanický doraz a přesuňte ovládací páku motoru pomalu a plynule směrem do reverzu současně sledujte 4 Repeat the cycle 3 times wait about 40 s at the idle between the cycles d Propeller RPM check at idle only for twin engine aircrafts 1 Set engine condition lever to idle 2 Move the propeller condition lever to maximum RPM position 3 RPM difference should be 40 RPM max If higher corr...

Страница 142: ...UZOVÉ PRAPOROVÁNÍ a Vypněte jističe PRAPOROVÁNÍ b Ovládací páku motoru nastavte na doraz volnoběhu c Ovládací páku vrtule přestavte z polohy max otáček do praporové polohy a Propeller speed moving the engine control lever increases up to stabilization approx 1100 to 1200 rpm even engine control lever movement continues b Energizing the BETA lamp fast increase follows to value approximately 1400 to...

Страница 143: ...vání musí být shodné e proveďte kontrolu těsnosti spojů vrtule f provedenou zkoušku zapište do Záznamníku vrtule d Propeller speed is about 350 rpm in feather position e Move propeller control lever back to maximum RPM position Propeller speed before and after should be the same 4 CONTROL FEATHERING function check a Place engine control lever to maximum continuous power position b Set with propell...

Страница 144: ...tem s plombou f Ověření seřízení maximálních otáček proveďte v následujícím letu g Seřízení a zjištěné hodnoty otáček zapište do atestu regulátoru 11 8 FURTHER ADJUSTMENT A Propeller Governor LUN7815 1 Maximum RPM adjustment for governors LUN7815 02 LUN7815 03 To be performed after control flight a Move propeller control lever in cockpit such way that governor lever Rn is not touching maximum RPM ...

Страница 145: ...vbě s praporovacím čerpadlem Figure 11 29 Maximum RPM stop adjustment Table 11 4 Maximum propeller RPM 2 Feather position adjustment for governor LUN7815 02 Governor feather position adjustment is performed with feathering pump LUN7840 installed a It is performed with adjusting the feather stop 16 when 1 The lever Rn doesn t reach angle position 2 Time at MANUAL FEATHERING exceeds maximum value of...

Страница 146: ...regulátoru přesouvané pákou Rn g V této poloze ovládací páku vrtule zajistěte b Perform the verification at engine ground test c Remove seal and lock wire from the stop 16 figure 11 30 Figure 11 30 Feather stop adjustment d Move propeller control lever in cockpit to maximum RPM position the lever Rn is at maximum RPM stop 16 WARNING BEFORE YOU WILL MOVE WITH PROPELLER CONTROL LEVER VERIFY ENGINE C...

Страница 147: ... zjištěné hodnoty otáček zapište do atestu regulátoru Obrázek 11 31 Kontrola vůle blokovacího šoupátka h Turn counterclockwise the stop 16 and adjust it so that exactly touching the lever Rn pin i Loose and move propeller control lever to maximum RPM stop and turn counterclockwise the stop 16 another 0 75 1 turn NOTE This additional turning with the stop 16 by 0 75 1 turn ensures clearance between...

Страница 148: ... proveďte pouze v případě kdy 1 rozdíl volnoběžných otáček vrtulí je mimo předepsanou toleranci 40 ot min 3 Feather position adjustment for governor LUN7815 03 a Perform when feathering time is higher than 15s adjusting is possible by using the stop 16 b Remove seal and lock wire from the stop 16 figure 11 30 c Move propeller control lever in cockpit to maximum RPM position the lever Rn is at maxi...

Страница 149: ... vyhledejte v tabulce 11 5 kde odečtete hodnotu pootočení dorazem 58 a směr 2 It is not possible keep this tolerance with idle power c Verify again propeller idle speed after stop 58 adjustment at engine ground test oil temperature 60 65 C 140 150 F d Find value of dimension B in the governor documentation e Measure dimension B for the governors according to figure 11 32 and compare with values in...

Страница 150: ...ing the stop 58 based on propeller idle speed difference half reduce the speed at idle of propeller with higher RPM and increase the speed at idle of propeller with lower RPM This adjustment reduces difference to minimum 1 Remove securing of the stops 58 hold the screw with a wrench use another to loose the securing nut 2 Turn the stop 58 on both governors according to value found in the table 11 ...

Страница 151: ...gulovaných otáček dle postupu v oddílu 11 8 UPOZORNĚNÍ Maximální regulované otáčky nesmí překročit 2080 ot min m Then tighten the nuts and verify again the alignment of guidelines Safety both nuts with wire Figure 11 33 Adjustment using rod 29 n Use the same procedure for the second governor o Secure the stops 58 for both governors p Record works in governor documentations B Propeller Governor LUN...

Страница 152: ...te volnoběžné otáčky při motorové zkoušce podle letové příručky letounu Teplota oleje musí být dodržena při odečítání otáček 60 65 C 140 150 F 2 Idle RPM adjustment twin engine aircrafts a Perform this adjustment only if difference in idle RPM is higher than 40 rpm generator idle speed difference is to 0 5 b Check basic adjustment for both governors according to process in section 11 6 c If the va...

Страница 153: ...a a Nedotažené upevňující šrouby b Vadné těsnění na přírubě regulátoru Náprava a Dotáhněte upevňující šrouby b Vyměňte těsnění 11 9 TROUBLESHOOTING Trouble Relief valve leakage after pressure adjustment Probably cause a Defective sealing b Loosen valve Remedy a See section Maintenance practices b See section Maintenance practices Trouble Non return valve with fitting leakage Probably cause a Defec...

Страница 154: ...olohy nebo obráceně Náprava a Seřiďte axiální vůli prvkem 37 dle postupu v této příručce Trouble Leakage at turning screw of feedback body Probably cause a Defective sealing Remedy a Replace the sealing Trouble Axial clearance locking valve at rear cover increased in reverse position Probably cause a Engine control lever was moved to reverse position when propeller control lever was in feather pos...

Страница 155: ...ta U regulátoru LUN7815 02 jsou hodnoty tlaků uvedeny v tabulce 11 6 Seřízení tlaku pod redukčním ventilem je popsáno v následující kapitole 11 10 MAINTENANCE PRACTICES There are described maintenance practices in this section together for all governor models LUN7815 and LUN7816 if no other note applied 1 Cleaning DO NOT USE PRESSURE WASHING EQUIPMENT PRESSURE WASHING CAN FORCE WATER AND OR CLEANI...

Страница 156: ...ho nesprávného seřízení tlaku pod redukčním ventilem se redukční ventil seřizuje následujícím způsobem After engine stop remove the hose and reinstall the nut 59 with the ball 60 and secure If necessary clean the governor Figure 11 34 Manometer connection Propeller rpm Pressure MPa 2080 2 30 2 45 2060 2 28 2 43 2040 2 27 2 42 2020 2 25 2 40 2000 2 23 2 38 Table 11 6 Pressure for LUN7815 02 3 Press...

Страница 157: ...CH PODLOŽEK SMÍ BÝT MAXIMÁLNĚ 4 mm 0 16 inch V PRUŽINĚ 75 MUSÍ ZŮSTAT ČEP 74 NOTE For governor LUN7816 it concerns check of relief valve pressure for the valve No 1 RV I Remove seal from the relief valve Adjust the pressure either using element 73 shim inside the relief valve or element 76 sealing washer under the cover 72 Hold relief valve body 71 with suitable wrench to don t loose it and remove...

Страница 158: ...A Při snímání víčka dejte pozor aby vám nevypadla podložka y 73 a aby na pružině 75 zůstal čep 74 NOTE Use shims with thickness of 1 and 1 5 mm 0 04 and 0 06 inch for adjustment In the case that the pressure will be adjusted using sealing washers element 76 under the cover then adding removing of a washer will reduce increase the pressure Washer thickness of 1 mm 0 04 inch means pressure change as...

Страница 159: ...tice trubek 85 86 vázacím drátem standardním způsobem Neopomeňte pojistit trubky i na jejich druhém konci Defective sealing washer element 76 remove and measure total thickness Prepare new sealing with the same thickness Use maximum two washers Split the new sealing washers onto the cover 72 Verify that the pin 74 is at the spring 75 and original washers 73 are installed Hold the relief valve body...

Страница 160: ... od pomocného čerpadla LUN7840 8 je li instalováno a dotáhněte její matice na obou koncích Figure 11 36 Sealing ring replacement 6 Replacement of non return valve body sealing rings In case of leakage from the non return valve body replace sealing with following procedure Remove lock wire from tube cap nuts 86 figure 11 37 or the tube cap nut 87 or both Remove the tube 86 and 87 or both NOTE Befor...

Страница 161: ...ulátoru Zkontrolujte základní seřízení dle postupu v tomto manuálu Connect tube 87 from the feathering valve LUN7880 0 if installed to the fitting 46 and tighten at both ends cap nut and the turning screw Secure all fittings and tubes with lock wire Figure 11 37 Replacement of non return valve sealing 7 Carbon block assembly exchange figure 11 38 In the case when carbon blocks are worn exchange th...

Страница 162: ... štětcem s konzervačním olejem O konzervaci proveďte zápis do dokumentace regulátoru Figure 11 38 Carbon block assembly 11 11 STORAGE AND PRESERVATION 1 Preservation of governor removed from the engine It is necessary to preserve the governor removed from the engine Use following procedure First wipe outer surfaces with clean brush using clean suitable cleaner WARNING TAKE CARE WHEN THE SURFACE IS...

Страница 163: ...ostor POZNÁMKA Skladování na zemi není přípustné Dbejte aby se nepoškodily vnější části regulátoru 2 Storage of the governor The governor prepared for storage at user store only in a clean room without aggressive vapors well ventilated at ambient temperature 10 30 C 50 86 F and humidity to 70 Store the governors at shelves or boxes Ensure free access to each one NOTE Storing on floor is not permit...

Страница 164: ... CÍ Í N NA AV VŠ ŠT TI IV VT TE E N NA AŠ ŠE E W WE EB BO OV VÉ É S ST TR RÁ ÁN NK KY Y w ww ww w a av vi ia ap pr ro op pe el ll le er r c co om m A Av vi ia a P Pr ro op pe el ll le er r L Lt td d s si in nc ce e 1 19 91 19 9 H Hi ig gh hl ly y e ex xp pe er ri ie en nc ce ed d e en ng gi in ne ee er ri in ng g a an nd d m ma an nu uf fa ac ct tu ur ri in ng g c co om mp pa an ny y O Ou ur r s s...

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