,,) 

?;' AgustaWestland 

A Finmeccanica Company 

BOLLETTINO TECNICO 

The technical content of this document is approved 

under the authority of DOA nr. EASA.21J.005 

AgustaWeslland S.p.A 

Via Giovanni Agusta, 520 

21017 Cascina Costa di Sarna rate (VA) Italy 

Tel.: +39 0331 229111 • Fax: +39 0331 229605/222595 

N• 139-307 

DATE June 19, 2013 

REV. I 

Compliance with 

this bulletin is: 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 

following 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 

0 t: ~:miiia:o 0-~::NO g~~mre (.) 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 

(except SIN 31007); Part I Part II not 

from SIN 41001 to SIN 41023 applicable 

from S/N 31201 to S/N 31398; Part I Part Ill Part IV from S/N 41201 to S/N 41293 

from S/N 31400 to S/N 31489 (except SIN' s 31415, 

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 41327 

An oppropriolc entry should be rnode "' the o11crol1 log book upon actomp 1shmcrol 

If ownership of oircroh hos c"onged, plcosc, lorword to 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 

Part V 

Page 1 of 47 
B.T. 139-307 

COMPLIANCE: within three hundred (300) flight hours or six (6) months from receipt of 

this Bollettino, whichever comes first. 

DESCRIPTION: scope of this Bollettino is to introduce new dual braided flexible hoses 

on the hydraulic pressure lines installed on the upper deck area, in order to reinforce 

their internal braid and prevent in-service leaks. 

REQUIRED MANPOWER: it is estimated that in order to accomplish this Bollettino six 

(6) maintenance man-hours (MMH) are necessary: 

Man-hours are based on hands-on time and may vary with personnel and facilities 

available. 

WARRANTY: 

• Within the calendar terms mentioned at point "Compliance", the parts required to 

apply the present Bollettino shall be supplied on a free of charge basis by 

AgustaWestland S.p.A. upon Customer's request; all the parts required after the 

"Compliance date" will be dispatched on charge basis for the Customer. 

• Upon application of this Bollettino, Customers are requested to submit to 

AgustaWestland S.p.A. Warranty Administration the W.M.M. form ( (W)arranty Claim 

(M)aintenance Work Order (M)alfunction Report). 

REQUIRED MATERIALS: the following materials, necessary to comply with this 

Bollettino, must be requested to AgustaWestland: 

PIN DESCRIPTION Q.TY NOTE 

3G2906P02611 Hydraulic Variant Flex Change Ref 

(Basic configuration} 

Composed of: 

Page 2 of 47 
B.T. 139-307 

PIN DESCRIPTION Q.TY NOTE 

3G291 OA25951 Bracket .1 

3G291 OA26031 Pipe Assy .1 

AVV004PFE3EOOE0610X Hose Assy .1 

AVV004PFE4E52E0590X Hose Assy .1 

AVV004PFE5E18E0348X Hose Assy .1 

MS21919VVCH16 Clamp, loop .1 ( 1) 

NAS 1149C 1290R VVasher, flat .1 

AN3-4A Bolt, machine .1 

AN924-8D Nut, plain, hexagon .1 (2) 

MS21042-3 Nut 1 

NAS1149C0332R VVasher 1 

Part II 

PIN DESCRIPTION Q.TY NOTE 

3G2906P03011 Hydraulic Variant Flex Change Ref 

(Dampener Short Nose) 

Composed 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 

3G2906P02711 Hydraulic Variant Flex Change Ref 

(Dampener Long Nose) 

Composed of. 

AVV004PFE5E68E0430X Hose Assy, PTFE .1 

AVV004PFE6E18E0324X Hose Assy, PTFE .1 

AVV004PFE6E44E0484X Hose Assy, PTFE .1 

Part IV 

PIN DESCRIPTION Q.TY NOTE 

3G2906P02811 Hydraulic Variant Flex Change Ref 

(FIPS + AGB) 

Composed of. 

AVV004PFE5E25E0396X Hose Assy, PTFE .1 

AVV004PFE5E39E0448X Hose Assy, PTFE .1 

AVV004PFE6E19E0330X Hose Assy, PTFE .1 

AVV005PK08C Elbow Fitting goo .2 

AN3-10A Bolt, machine .1 

MS21919VVCH19 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 

3G2906P02911 Hydraulic Variant Flex Change Ref 

(AGB only) 

Composed of. 

AVV004PFE6E21E0550X Hose Assy, PTFE .1 

AVV005PK08C Elbow Fitting 90 o .1 

AVV004PFE4E52E0590X Hose Assy 1 

AVV004PFE5E18E0348X Hose Assy 1 

MS21919VVCH16 Clamp, loop 1 ( 1 ) 

AN3-4A Bolt, machine 1 

MS21042-3 Nut 1 

NAS1149C0332R VVasher 1 

Moreover, the following consumable materials are necessary to comply with this 

Bollettino: 

PIN DESCRIPTION Q.TY NOTE 

999-2701-01-172 Tape, identification AR 

999-2701 -01-173 Tape, identification AR 

999-2701-01-22 Tape, identification AR 

999-2701 -01-332 Tape, identification AR 

999-2701-01-53 Tape, identification AR 

999-2701 -01 -7 Tape, identification AR 

SPECIAL TOOLS: the following special tools are necessary to accomplish this 

Bollettino: 

PIN 

RMGE-DS-06-201 0-LH or 

2004-5007 -A or an approved 

DESCRIPTION 

Platform (GG-01 -00) 

Q.TY NOTES 

AR (4) 

Page 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 

Platform (GG-02-00) AR (4) 

(1) P/N AS21919WCH16 may be supplied as a valid alternative. 

(2) P/N AS5178008 may be supplied as a val id alternative. 

(3) P/N AS21919WCH19 may be supplied as a valid alternative. 

(4) Refer to Illustrated Tools and Equipment Publication (ITEP). See data modules 

n o 39-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 (AMP) 

../ AW139 Illustrated Tools and Equipment Publication (ITEP) 

PUBLICATIONS AFFECTED: 

../ AW139 Aircraft Maintenance Publication (AMP) 

../ AW139 Illustrated Parts Data (IPD) 

Page 6 of 47 
B.T. 139-307 

COMPLIANCE INSTRUCTIONS: 

NOTE 

Part I of this Bollettino and figures 2 and 3 are 

applicable to helicopters not equipped with Kit 

Hydraulic Pulsation Dampener P/N 

3G2900F00111 /3G2900F00112, Kit Hydraulic 

Pulsation Dampener (FIPS + AGB) P/N 

3G2900F00113 or Kit MGB Accessory Drive PI N 

4G6320F00211 /4G6320F00212. 

CAUTION 

It is prohibited to use any form of lubricant on bolts, 

screws or any type of threaded fastener. 

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 AMP, see 

OM n o 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. With reference to figure 1, open the access door (473AL). 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 no 39-A-20-40-00-00A-01 OAA. 

Page 7 of 47 
B.T. 139-307 

5. With reference to figures 2 and 3, on the right 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 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°, according to figure 6 view A. 

6.4 Fix flexible 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-010AA. 

Page 8 of 47 
B.T. 139-307 

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 

in the closed position. 

If you find any interference, contact AgustaWestland Product Support 

Engineering (aw139.mbx@agustawestland.com) for further actions to be performed. 

10. Remove the platforms from both sides of the fuselage. 

11 . Return helicopter to flight configuration and record for compliance with this Bollettino 

on the helicopter 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 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 ( 4 73AL). Refer to AMP, see OM no 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 OM no 39-A-20-40-00-00A-01 OAA. 

5. With reference to figures 9 thru 11 , on the left side replace flexible 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 1 0, 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 figure 13, install flexible hose P/N AW004PFE5E68E0430X. 

7. With reference to figures 14 and 15, replace flexible 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 figure 15, install flexible hose P/N AW004PFE5E68E0430X 

with 90° elbow fitting P/N AW005PK08C. 

8. Close the access door (473AL). Refer to AMP, see OM n° 39-A-06-41-00-00A-01 OAA. 

9. Remove the platforms from both sides of the fuselage. 

1 0. Return helicopter to flight configuration and record for compliance with this Bollettino 

on the helicopter logbook. 

Page 11 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 

Pulsation Dampener P/N 3G2900F00112. 

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°39-A-06-41-00-00A-010AA. 

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 no 39-A-20-40-00-00A-010AA. 

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 flexible hose P/N AW004PFE5E68E0430X. 

7. Close the access door (473AL). Refer to AMP, see DM n°39-A-06-41-00-00A-010AA. 

8. Remove the platforms from both sides of the fuselage. 

9. Return helicopter to flight configuration and record for compliance with this Bollettino 

on the helicopter logbook. 

Page 13of 47 
B.T. 139-307 

Part IV 

NOTE 

Part IV of this Bollettino and figures 20 thru 26 are 

applicable to helicopters equipped with Kit Hydraulic 

Pulsation Dampener (FIPS + 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 (4 73AL). Refer to AMP, see OM no 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 no 39-A-20-40-00-00A-010AA. 

5. With reference to figures 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, install flexible hose P/N AW004PFE5E25E03g6X 

with goo elbow fitting P/N AW005PK08C. 

6.5 Fix 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 using 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 no3g-A-06-41 -00-00A-010AA. 

8. Remove the platforms from both sides of the fuselage. 

g, Return helicopter to flight configuration and record for compliance with this Bollettino 

on the helicopter logbook. 

Page 15 of 47 

B.T. 139-307 

Part V 

NOTE 

Part V of this Bollettino and figures 27 thru 30 are 

applicable to helicopters equipped with Kit MGB 

Accessory Drive P/N 4G6320F00211 I 

4G6320F00212. 

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 no 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 OM no 39-A-20-40-00-00A-010AA. 

5. With reference to figures 27 thru 30, on the right side replace flexible 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 reference to figures 27 and 29, remove flexible hose P/N 

A494AE3EOOE0530X. 

Page 16 of 47 
B.T. 139-307 

5.3 With reference to figures 28 and 30, install flexible hose P/N 

AW004PFE6E21 E0550X with 90°elbow 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 If 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°, according 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 

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 no 39-A-06-41-00-00A-01 OAA. 

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 

in the closed position. 

If you find any interference, contact AgustaWestland Product Support 

Engineering (aw139.mbx@agustawestland.com) for further actions to be performed. 

10. Remove the platforms from both sides of the fuselage. 

11. Return helicopter to flight configuration and record for compliance with this Bollettino 

on the helicopter logbook. 

Page 17of 47 
-o 

!l> 

co 

CD 

..... 

()) 

0 

-

.p.. 

-....,J 

, 

<0' 

c: 

... 

VIEW RIGHT SIDE 

SEE FIGURE 2 

VIEW LOOKING REAR 

SEE FIGURE 7 

VIEW LEFT SIDE 

SEE FIGURE 4 

EIG

_

URE REFERENCE LS

_

FOR BASIC

_

CO.NEIGURATION 

WORKAREA IS TYP-ICAL_E_QR ALL THE HELICOPTERS AFFECTED 

R 
""'0 

!l> 

<0 

CD 

_. 

<.0 

0 

-

.p.. 

'-1 

"T1 

<0' 

c: ~ (t) 

f\) 

BEFORE MODIFICATION 

REMOVE 

A494AE3EOOE0930X 

FLEXIBLE HOSE 

AS21919WCH14 

CLAMP 

HYDRAULIC PUMP 

REF. 

.// 

POWER CONTROL MODULE // RE~ / // //// «'!? ~ / ------- ~ s~ AFTER MODIFICATION INSTALL AW004PFE3EOOE061 OX FLEXIBLE HOSE AND RELATED DECALS INSTALL 3G291 OA25951 BRACKET USE EXISTING HARDWARE ........... , · Sri! Jn J00. 0 INSTALL: 3G291 OA26031 PIPEASSY USE: AN924-8D NUT NAS1149C1290R WASHE

/ VIEW 

UPPER DECK RIGHT SIDE 
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 INSTALLED 

REMOVE 

AN3-21A BOLT 

B.T. 139-307 

VIEW LEFT SIDE 

BEFORE MODIFICATION 

A494AE3EOOE0620X 

FLEXIBLE HOSE 

REF. 

AS21919WCH13 CLAMP (Q.ty 2) 

MS21042-3 NUT 

NAS1149C0332R WASHER (Q.ty 2) 

NAS43DD3-100N SPACER 

Figure 4 

SECTION 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 MODIFICATION 
AVV004PFE4E52E0590X 

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 
""0 

ll> 

co 

CD 

1\) 

.j:l. 

2. 

.j:l. 

-.._J 

-n 

i.i" 

r:: 

.... 

CD 

...... 

BEFORE MODIFICATION 

REMOVE 

A494AE6E21E0330X 

FLEXIBLE HOSE 

INSTALL 

AVV004PFE5E18E0348X 

FLEXIBLE HOSE 

AND RELATED DECALS 

I 

i 

AFTER MODIFICATION 

I 

POVVER CONTROL MODULE 

V REF. I 

I 7 

VIEW 

UPPER DECKI'OOKING REAR 
Ill 

...J 

~ w 

c 

Figure 8 

B.T. 139-307 

Page 25 of 47