# ,, ) ?; ' 

# AgustaWestland A Finmeccanica Company 

## BOLLETTINO TECNICO The technical content of this document is approved under the a uthority of DOA nr. EASA
.21J.005 AgustaWeslland S
. p . A Via G i ovann i Agusta , 520 21017 Cascina Costa di Sarna rate (VA ) Italy Tel.: +39 033 1 229 111 • Fax : +39 0331 229605 / 222595

N

• 

# 139-307

DATE June 19 , 2013 REV . 

### I Comp li a nce with thi s bull etin i s: 

# MANDATORY

SUBJECT: HYDRAULIC SYSTEM FEXIBLE HOSES REPLACEMENT IN THE UPPER DECK AREA REASON : to introduce improved dual braided flexible hoses on in -service helicopters. HELICOPTERS AFFECTED: all the AB139/AW139 helicopters according to the fo ll owing table:

t: t: .,... t: M' 0 0 .,... ........ 0 

### en .,... 

# ... ... ,...N · .;::: Q. 

# ... co co 0,...



### ~1:1.1.. 0 

## ...

**5~::** o,... 0 ::I 0)0 u.g 1.1.. C) 0)0+ :0:: :0:: ·.;::: "'0 1.1.. :0:: ·.;::: "' 

### g t:

**~:miiia:o**



### g~~mre 0

**0-~::NO** (.) U::::IQ)(!)re (.):::JQ)<!J(!) (,) (,)C.. Q.M C!J (,)C.. 

### c.< M ' iii ' iii:!::EZM ' iii:= E .c z co co..ll::coa:,_ co..ll::co:=a: a:l a:I+C ...... o a:I + C:;:._.. from S/ N 31005 to S/ N 31157 (exce p t S I N 31007); Part I Part II not f rom S I N 4100 1 to S I N 41023 applicable from S/ N 31201 to S / N 31398; Part I Part Ill Part I V from S/ N 41201 t o S/ N 41293 from S/ N 31400 to S / N 31489 (except SIN ' s 314 1 5, 31431,31441,31454 , 31461,31464,31467,31472 , Part I Part Ill Part IV 31473,31476 , 31477,31482,31486,31487,31488); from S/ N 41300 to S / N 413 27

An oppropriolc entry shou l d be rnode "' the o11crol1 l og book upon actomp 1shmcrol If ownership of oircroh hos c"onged, p l cosc, lorword t o nuw owner t: .,... 

# g c::iN' coa:lo.- ,_<!JoN 

### 5,< 1.1.. g

**:o:.c~u.** 1: .'!::: M 0 o:;: 10 N

**UmC!l~** (,) "'CJ

· - (!) z 

### "':E .,. co ii: ... a:I + ...... O

Part V Part V
Pa rt V

Page 1 of 47

## B.T. 139-307 COM PLIANCE : within three hundred (300) flight hours or six (6) months from receipt of t his Bo ll ettino, whichever comes first. DESCRIPTION: scope of this Bollettino is to introduce new dual braided flexible hoses on the hydraulic pressure lines in sta lled on the upper deck area, in order to reinforce their internal braid and preve nt in -service leaks.
REQ UIRED MAN POWER : it is estimated that in order to accomplish th is Bo ll ettino six (6 ) maintenance man - hours (MMH ) are necessary: Man-hours are based on hands -on ti me and may vary with personnel and facilities avai l ab l e. WARRANTY: • W ithi n the ca lend a r terms m entioned at point "Compliance" , the parts requ ired t o apply the present Bollettino shall be supp li ed on a free of charge basis by AgustaWestland S.p.A. upon Customer' s request ; all the parts required after the "Comp li ance date" will be dispatc h e d on charg e basis for t h e Customer. • Upon application of this Bollettino , Customers are requested to submit to AgustaWestland S
. p.A. Warranty Administ ration the W.M.M. form ( (W)arranty C laim (M)aintenance Wor k Orde r (M)alfunction Repo rt). REQUIRED MATERIALS: the following materials, necessary to comply with this Bollettino, must be requeste d to AgustaWestland:



### PIN DESCRIPTION Q. TY NOTE 3G2906P02611 Hydraul i c Vari ant Flex Ch ange Ref (Basic co nfigurat ion } Composed of : Page 

### 2 of 47

## B.T. 139-307
P

I N DESCRIPTION Q
. TY NOTE 3G291 OA25951 Bracke t . 1 3G291 OA26031 Pipe Assy . 1 AVV004PFE3EOO E06 10X Hose Assy . 1 AVV004PFE4E52 E 0590X Hose Assy . 1 AVV004PFE5E18E0348X Hose Assy .1 M S219 19VVCH16 Clamp, loop .1 ( 1) NAS 1149C 1290R VVasher , flat .1 AN3 -4A Bolt , mac hin e .1 AN924 -8 D Nut , plain , hexagon .1 (2) MS21042-3 Nut 1 NAS1149C0332R VVashe r 1 Part II P I N DESCRIPTION Q.TY NOTE 3G2906 P03011 H ydraul i c Var i ant Flex Cha n ge Ref (Dampener Short Nose) Compos ed of. AVV004PFE5E68E0430X Hose Assy , PTFE .2 AVV004PFE6E44E0484X Hose Assy , PTFE . 1 AVV005PK08C Elbow Fitting 90 o . 1

Page 3 of 47 

### 2

## B.T. 139-307 Part 

### Ill DESCRIPTION 3 G2906P02711 Hydra uli c Va riant Flex Chang e Ref ( Dampe n e r Long Nose) Composed of. AVV004PFE5E68E0430X Hose Assy , PT F E . 1 AVV004PFE6E 1 8E0324X H ose Assy, PTFE .1 AVV 004PFE6E44E0484X H ose Assy, PT FE . 1 Part IV 

### P I N DESCRIPTION Q. TY NOTE 3G2906P02811 Hydraulic Va ri a nt Flex Change Ref (FIPS + AGB) Composed of. AVV004PFE5E25E0396X Hose Assy, PTFE . 1 AVV004P F E5E39E0448X Hose Assy , PT FE . 1 AVV004PFE6E19E0330X Hose Assy , PTFE .1 AVV005PK08C E lbow Fitting 

### goo .2 AN3-10A Bolt , machine .1 MS219 1 9VVCH19 Clamp, loop . 1 (3) NAS43DD3 - 16N Spacer , sleeve . 1 NAS43DD3 - 38N Spacer , sleeve .1

Page 4 of 47

## B.T. 139-307 Part V DESCRIPTION 3G 2 906P0 2 911 Hydrauli c V a rian t Flex C h a n ge Ref (AGB only) Composed of. AVV004P F E6E2 1 E0550X H ose Assy, PTFE .1 AVV005PK08C Elbow Fitting 90 o .1 AVV004 PF E4E52E0590X H ose Assy 1 AVV004PFE5E18E0348X Hose Assy 1 MS219 1 9VVC H 16 Clamp, loop 1 ( 1) AN3-4A Bolt , machine 1 MS2 1 042-3 Nut 1 NAS1149C0332R VVasher 1 Moreover, t h e fo ll owing consumable mate r ials are necessary to comply with th is Bollettino: 

### P I

N DESCRIPTION Q. TY NOTE 999 -270 1 -01-172 T ape , identification AR 999 -2701 - 01-173 Tape , identif i cat i on AR 999-270 1 -01-22 T ape , identificat ion AR 999-2701 -01-332 Tape , identif i cat i o n AR 999-270 1 -01-53 Tape , ident ificat i on AR 999-2701 -01 -7 Tape , identificat ion AR SPEC I A L TOOLS: the followi ng special too l s are necessary to accomplish t h is Bo ll ettino: 

### P I N RMGE - DS -06 -201 0 - LH or 20 0 4- 500 7 -A o r a n app ro ved DESCRIPTION Platf orm (GG-01 - 00 ) Q. TY NOTES AR (4)

Pag e 5 of 47

## B.T. 139-307

alternative RMGE - SL - 06 -2010 or 2004 -5007-A or an approved alternative Notes: DESCRIPTION Q . TY NOTES P latform (GG - 02 -00 ) AR (4 )

( 1 ) P/N AS21919WCH16 may be supplied as a valid alternat ive . (2) P/N AS5178008 may be supplied as a val id a lte rn ative . (3) P/N AS21919WCH19 may be supplied as a valid a lternat ive. (4) Refer to Ill ustrated Too ls and Equipment Publication ( ITEP ). See data modules n o39-A-GG-01-00-00A-066A-A 

### I 39-A -GG - 02 -00 -00A- 066A-A.
WEIGHT AND BALANCE CHANGES : N.A. REFERENCES: ../ AW139 Aircraft Maintenance Publication (AM P) ../ AW139 Illustrated Tools and Eq uipment Publication ( ITEP ) PUBLICATIONS AFFECTED: ../ AW139 Aircraft Maintenance Publicat i on (A MP ) ../ AW139 Il lustrated Parts Data ( IP D)

Page 6 of 47

## B.T. 139-307 COMPLIANCE INSTRUCTIONS:

NOTE Part I of th i s Bollett i no and fig u res 2 a nd 3 are app li cab l e to helicopters not equ i pped wit h Ki t Hydrau li c Pu lsati on Da m pener P / N 3G2900F00111 /3G2900F00112, K it Hydrau li c Pulsat ion Dampener ( FIPS + AGB) P / N 3G2900F00113 or Kit MGB Accessory Dr ive P I N 4G6320F00211 /4G6320F00212. CAUTION I t is prohibited to use any form of l ubricant on bolts , screws or any type of threaded fastener. 1 . Prepare the helicopter for a safe ground maintenance. Disconnect the battery and a ll the electrical power sources and/or the external power supply. Refer to AMP, see OM n o 39-A-00 -20-00 -00A-120A-A. 2. Put the Platform ( GG-01-00) , or an approved a l ternative, adjacent to the left side of t he fuselage. 3 . Put the Platform (GG-02-00), or an approved alternat ive, adjacent to the right side of t he fuse l age. 4 . With reference to figure 1 , open the access door (473AL)
. Refer to AMP , see OM n o 39-A-06-4 1 -00-00A-01 OA -A. CAU TI ON Before proceeding with following steps , refer to hydraulic-syste m standard practices. Make sure you use these standard practices during this procedure. Refer to AMP , see OM no 39 -A -20-40-00-00A-01 OAA.

Pa ge 7 o f 47

## B.T. 139-307 5. With reference to figures 2 and 3, on the r ight side replace flexible hose P/N A494AE3EOOE0930X as follows: 5.1 With reference to figure 2, remove clamp P / N AS21919WCH14 and flexible hose P/N A494AE3EOOE0930X. Hold the clamp for further reuse. 5.2 Install bracket P /N 3G2910A25951 according to figure 3 view B, using existing hardware. 5.3 With reference to figure 2, install pipe assy P / N 3G291 OA26031 with nut P /N AN924-80, washer P/N NAS1149C1290R and existing hardware. 5.4 Install flexible hose P/N AW004PFE3EOOE0610X. Make sure that the hose angle is 5°, according to figure 3 view A. 6. With reference to figures 4 thru 6, on the left side replace flexible hose P/N A494AE3EOOE0620X as follows: 6.1 If i nstalled , remove two clamps P/N AS21919WCH13, spacer P/N NAS43003- 1

OON and related installation hardware, according to figure 4 section 0-0. Hold the hardware for further re-use. 6.2 With reference to figure 4, remove flexible hose P /N A494AE3EOOE0620X. 6.3 With reference to figure 5, install flexible hose P/N AW004PFE4E52E0590X. Make sure that the hose angle is 40°, according to figure 6 view A. 6.4 Fix flexib le hose P/N AW004PFE4E52E0590X on hose P/N A494A02COOC0472X according to figure 6 section E-E, using bolt P /N AN3- 4A, clamps P/N AS21919WCH14 and P/N AS21919WCH16 , nut P/N MS21 042-3 and washer P /N NAS1149C0332R. 7. With reference to figure 7, replace flexible hose P/N A494AE6E21 E0330X as follows: 7.1 Remove flexible hose P/N A494AE6E21 E0330X. 7.2 Install flexible hose P/N AW004PFE5E18E0348X. 8 . Close the access door (473AL). Refer to AMP, see OM n°39-A-06-41 -00-00A -010A

### A. Page 8 of 47

## B.T. 139-307 9. Check if there is any interference between access door (473AL) and flexible hose P

/ N AW004PFE4E5 2E 0590X i nstalled at step 6.3 , when the access door (473AL) is in the closed position. I f you find any interfere nce, contact AgustaWestland Product Support Engineering (aw139.mbx@agustawest land.com) for further actions to be performed. 1 0. Remove th e p l atfo r m s f rom b ot h s i d es o f the fuse lage. 11 . Ret urn h e li copter to fli ght con fi gurat ion and reco rd fo r co m p l i a n ce wi t h this Bollettino o n t h e h e li copt e r logbook .

Page 9 of 47

## B.T . 139-307

NOTE Part II of this Bollettino and figures 8 thru 15 are applicable to helicopters equipped with Kit Hydraulic Pulsation Dampener P / N 3G2900F00111
. 1. Prepare the helicopter for a safe ground maintenance. Disconnect the battery and all the electrica l power sources and/or the external power supply. Refer to Aircraft Maintenance Pub li cation (AM P), see OM no 39-A-00-20 -00-00A-120A-A. 2. Put the Platform (GG-01-00), or an approved alternative, adjacent to the left side of the fuselage. 3. Put the Platform (GG-02-00), or an approved alternative, adjacent to the right side of the fuselage. 4. Open the access door (473A L ). Refer to AMP , see OM no 39-A-06-41-00-00A-01 OA

### A. CAUTION Before proceeding with following steps , refer to hydraulic-system standard practices. Make sure you use these standard practices during this procedure . Refer to AMP, see OM n o 39-A-20 -40 -00 -00A - 01 OA A. 5. With reference to figures 9 thru 11 , on the left side replace flexib l e hose P/N A494AE3EOOE0570X as follows: 5.1 With reference to figure 9, remove flexible hose P/N A494AE3EOOE0570X. 5.2 With reference to figure 11, adjust position of the clamp block assemblies on the forward transmission rod assy and relocate the hydraulic pulsation dampener according to view D. 5 . 3 With reference to figure 10 , install flexible hose P / N AW004PFE6E44E0484X. 6 . With reference to figures 12 and 13, on the right side replace flexible hose P / N A494AE3EOOE424X as follows: Page 10 of 47

## B.T. 139-307 6.1 With reference to figure 12 , remove flexible hose P / N A494AE3EOOE424X. 6 . 2 With reference to figu re 13, install flexible hose P / N AW004PFE5E68E0430X . 7. W ith reference to figures 14 and 15, replace f lexible hose P / N A494AE3EOOE0580X as follows: 7.1 With reference to figure 14, remove clamp P/N MS21919WCH12 , stud P/N A366A3E22C and related hardware. 7.2 With reference to figure 14 , remove flexible hose P/N A494AE3EOOE0580X
. 7.3 With reference to f i gure 15, i nstall flexible hose P/N AW004PFE5E68E0430X with 90° elbow fitting P/N AW005PK08C
. 8 . C lose the access door (473AL)
. Refer to AMP , see 

### OM n° 39 -A-06-41-00 -00A-01 OA 

### A . 9 . Remove the p latforms from both sides of the fuselage
. 10. Return helicopter to flight configuration and record for compliance with this Bollettino on the helicopter logbook .

Page 1 1 of 47

## B.T. 139-307 Part Ill NOTE Part Ill of this Bollettino and figures 16 thru 19 are applicable to helicopters equipped with Kit Hydraulic Pu l sation Dampener P /N 3G2900F00112. 1 . Prepare the helicopter for a safe ground maintenance. Disconnect the battery and all the e l ectrical power sources and/or the external power supp ly . Refer to Aircraft M aintenance Publication (AMP), see OM no 39-A-00-20 -00 -00A- 120A-A 2. Put the Platform (GG-01-00), or an approved alternative, adjacent to the left side of the fuselage. 3. Put the Platform (GG-02-00), or an approved alternative, adjacent to the right side of the fuselage. 4. Open the access door (473AL). Refer to AMP , see OM n°39-A-06-41-00-00A-010A

### A. CAUTION Before proceeding with following steps , refer to hydraulic-system standard practic es. Make sure you use these standard practices during this procedure. Refer to AMP, see OM n o 39 -A -20 -40 -00 -00A - 010A 

### A. 5. With reference to figures 16 and 17, on the left side replace flexible hoses P/N A494AE3EOOE0570X as follows: 5.1 With reference to figure 16, remove flexible hoses P/N A494AE3EOOE0570X. 5.2 With reference to figure 17 , install flexible hoses P / N AW004PFE6E44E0484X and P / N AW004PFE6E18E0324X. 6. With reference to figures 18 and 19 , on the right side replace flexible hose P / N A494AE3EOOE424X as follows: 6.1 With reference to figure 18, remove flexible hose P / N A494AE3EOOE424X. Page 12 of 47

## B.T. 139-307 6.2 With reference to figure 19 , install flex ible hose P / N AW004PFE5E68E0430X. 7. Close the access door (473AL). Refer to AMP , see DM n°39-A-06-41-00-00A-0 10A

### A. 8. Remove the platforms from both sides of the fuselage. 9. Return helicopter to flight configuration and record for compliance with this Bo llett ino on the helicopter logbook .

Page 13of 47

## B.T. 139-307 Part IV NOTE Part IV of this Bo llettino and figures 20 thru 26 are applicable to helicopters equipped with Ki t Hydraulic Pulsation Dampener (F IP S 

### + AGB) P / N 3G2900F00113. 1. Prepare the helicopter for a safe ground maintenance. Disconnect the battery and all the electrical power sources and/or the external power supply. Refer to Aircraft Maintenance Publication (AMP} , see OM no 39-A- 00 -20 -00 - 00A - 120A-A. 2. Put the Platform (GG-01-00), or an approved alternative , adjacent to the left side of the fuselage. 3. Put the Platform (GG-02-00} , or an approved alternative, adjacent to the right side of the fuselage. 4. Open the access door (473AL). Refer to AMP , see OM n o 39-A-06-41-00-00A-01 OAA. CAUTION Before proceeding with following steps, refer to hydraulic-system standard practices . Make sure you use these standard practices during this procedure. Refer to AMP, see DM n o 39 -A - 20 -40 - 00 -00A -010A

### A. 5. With reference to f igures 20 thru 22 , on the left side replace flexible hoses as follows: 5.1 With reference to figure 20 , remove flexible hoses P / N A494AE3EOOE0570X and P / N A494AE6E14E0348X. 5.2 With reference to figure 22 , adjust position of the clamp block assemblies on the forward transmission rod assy and relocate the hydraulic pulsation dampeners according to view A. Page 14 of 47

## B.T. 139-307 5.3 With reference to figure 21, install flexible hose P / N AW004PFE5E3gE0448X with goo elbow fitting P/N AW005PK08C. 5.4 With reference to figure 21 , install flexible hose P / N AW004PFE6E1gE0330X . 6. With reference to figures 23 thru 25, on the right side replace flexible hose P / N A4g4AE2EOOE0670X as follows : 6 . 1 With reference to figure 24 detail C , remove two clamps P / N MS21g1gWCHg , clamp P /N MS21g1gWCH12 and related hardware. Hold them for further reuse . 6.2 With reference to figure 23 , remove flexible hose P/N A4g4AE2EOOE0670X
. 6.3 With reference to figure 26, adjust position of the clamp block assemblies on the forward transmission rod assy and relocate the hydraulic pulsation dampener according to view B. 6 .4 With reference to figure 25, insta ll f lexible hose P / N AW004PFE5E25E03g6X with goo elbow fitting P /N AW005PK08C. 6.5 Fi x flexible hose P/ N AW004PFE5E25E03g6X on case drain tube, using clamps P / N MS21g1gWCHg and P / N MS21g1gWCH1g , bolt P/ N AN3-6A , nut P/N MS21 043-3, washer P/N NAS1149C0332R , spacer P /N NAS43003 - 16N , according to figure 26 detail C (new fixing) . 6.6 Fix case drain tube us ing clamp P / N MS21g1gwcHg, bolt P / N AN3-1 OA, washer P /N NAS114gC0332R and spacer P/N NAS43003-38N, according to figure 26 detail C (new fixing). 7. Close the access door (473AL). Refer to AMP , see OM n o 3g-A-06-41 -00-00A-010A

### A. 8. Remove the platforms from both sides of the fuselage. g, Return helicopter to flight configu rati on and record for compliance with thi s Bollett ino on the helicopter logbook.

Page 15 of 47

## B.T. 139-307 Part V NOTE Part V of this Bollettino and f igures 27 thr u 30 are applicable to helicopters equipped with Kit MGB Accessory Drive P / N 4G6320F00211 

### I 4G6320F00212
. 1. Prepare the helicopter for a safe g r ound maintenance. Disconnect the batte ry and all the electrical power sources and/or the external power supply . Refer to Aircraft Maintenance Publication (AMP), see OM no 39 -A-00 -20-00-00A- 1 20A-A. 2. Put the Platform (GG-01-00), or an approved alternative , adjacent to the left side of the fuselage. 3. Put the Platform (GG-02-00), or an approved alternative, adjacent to the right side of the fuselage. 4. Open the access door (473AL). Refer to AMP , see OM no 39-A-06-41-00-00A- 01 OAA. CAUTION Before proceeding with follow i ng steps , refer to hyd raulic-system standard practices . Make sure you use these standard practices du ri ng this procedure. Refer to AMP , see OM n o 39-A-20 -40 -00 -00A - 010A A. 5. With reference to figures 27 thru 30, on the right side replace f lexible hose P / N A494AE3EOOE0530X as follows: 5 . 1 With reference to figures 27 and 29, remove clamp P / N MS21919WCH14 , screw P / N NAS1801 -3 -9 , nut P / N MS21042L3 and washer P / N NAS114900332J
. 5 . 2 With re ferenc e to figu res 27 and 29, remove f lexib le hos e P/N A494AE3EOOE0530X. Page 16 of 47

## B.T. 139-307 5.3 With re ference to figures 28 and 30, install flex i ble hose P / N AW004PFE6E21 E0550X with 90°e l bow fitting P/N AW005PK08C. 6. With reference to figures 4 thru 6 , on the left side replace flexible hose P/N A494AE3EOOE0620X as follows: 6.1 I f installed , remove two clamps P/N AS21919WCH13 , spacer P/N NAS43003- 1

OON and related installation hardware, according to figure 4 section 0-0. Hold the hardware for further re-use. 6.2 With reference to figure 4, remove flexible hose P/N A494AE3EOOE0620X. 6.3 With reference to figure 5, install flexible hose P/N AW004PFE4E52E0590X. Make sure that the hose angle is 40° , accord i ng to figure 6 view A. 6.4 Fix flexible hose P/N AW004PFE4E52E0590X on hose P/N A494AD2COOC0472X according to figure 6 section E-E, using bolt P /N AN3- 4A , clamps P/N AS21919WCH14 and P/N AS21919WCH16, nut P/N MS21 042-3 and washer P/N NAS1149C0332R. 7. With reference to figure 7, replace flexible hose P/N A494AE6E21 E0330X as fo llows: 7.1 Remove flexible hose P/N A494AE6E21 E0330X. 7.2 Install f lexib le hose P/N AW004PFE5E18E0348X. 8. Close the access door (473AL). Refer to AMP , see OM no 39-A-06-41-00-00A-01 OA

### A. 9. Check if there is any interference between access door (473AL) and flexible hose P/N AW004PFE4E52E0590X installed at step 6 . 3, when the access door (473AL) is i n the closed position . If you find any interference , contact AgustaWest land Product Support Engineering (aw139. mbx@agustawestland.com) for further actions to be performed
. 10. Remove the p latfo rms from both sides of the fuse lage. 11. Return helicopter to f light configuration and record for compliance with this Bollettino on the helicopter logbook . Page 17of 47-o!l>coCD.....())0-.p..-....,J,<0'c:...VIEWRIGHTSIDESEEFIGURE2VIEWLOOKINGREARSEEFIGURE7VIEWLEFTSIDESEEFIGURE4EIG_UREREFERENCELS_FORBASIC_CO.NEIGURATIONWORKAREAISTYP-ICAL_E_QRALLTHEHELICOPTERSAFFECTEDm....R(,.)(0I(,.)0......""'0 !l>

<0

CD

_.

<.0

0

-

.p..

'-1 "T1 <0' c:

**~** (t)

f\) BEFORE MODIFICAT I ON REMOVE

A4 9 4AE3EOOE0930X

FLEXIBLE HOSE

AS21919WCH14

CLAMP HYDRAULIC PUMP REF . .// POWER CONTROL MODULE //
**RE~** / // / / // «'!? **~** /

**------- ~**  **s~** AFTER MODIFICATION INSTALL AW004PFE3EOOE061 OX

F L EX I BLE HOSE

AND RELATED DECALS

I NSTALL

3G291 OA25951

BRACKET USE EXIST I NG

H ARDWARE ........... ,

· Sr i! Jn

J 0 0. 0 INSTALL: 3G291 OA26031

PIPEASSY USE:

AN924 - 8D NUT

NAS1149C1290R WASHER
**/** VIEW UPPER DECK RIGHT SIDE tD **~** . **~** CN

CD

I

w

0 .......

## B.T. 139-307

VIEW A

AN924-8D NUT REF. NAS1149C1290R VVASHER REF. AN3-4A BOLT REF. NAS1149C0332R VVASHER REF. MS21919VVCH16 CLAMP REF.

Page 20 of 47 VIEWS Figure 3 AVV004PFE3EOOE0610X REF.HYDRAULIC PUMP REF.



## 0

IF IN STA LLED REMOVE AN3-21A BOLT 

## B .T . 139-307

VIEW LEFT SIDE BEFORE MODIFICATIO N

A494AE3EOOE0620X FLEXIBLE HOSE REF.

AS21919WCH13 CLAMP (Q.ty 2) MS21042-3 NUT NAS1149C0332R WASHER (Q.ty 2) NAS43DD3-100N SPACER Figure 4 S E CTION D- D

Page 21 of 47

## B.T. 139-307

Figure 5
Page 22 of 47 HYDRAULIC PUMP REF.

INSTALL AW004PFE4E52E0590X FLEXIBLE HOSE AND RELATED DECALS

VIEW LEFT SIDE AFTER MODIFICATIONAVV004PFE4E52E0590X REF.

INSTALL AN3-4A BOLT MS21919VVCH16 CLAMP MS21042-3 NUT REF. NAS1149C0332R VVASHER REF. AS21919VVCH14 CLAMP REF. 

## B.T. 139-307

VIEWC

SECTION E-E Figure 6 Page 23 of 47""0ll>coCD1\).j:l.2..j:l.-.._J-ni.i"r::....CD......BEFOREMODIFICATIONREMOVEA494AE6E21E0330XFLEXIBLEHOSEINSTALLAVV004PFE5E18E0348XFLEXIBLEHOSEANDRELATEDDECALSIiAFTERMODIFICATIONIPOVVERCONTROLMODULEVREF.II7VIEWUPPERDECKI'OOKINGREARm......wCDIw0-....1Ill ...J

## ~ w c

Figure 8 

## B.T. 139-307

Page 25 of 47