ar0703b6831tj

Remove/install nozzle holder combination

Tipo ar · tema 07.03 · versione 0203 · 2019-12-23

Valido per: Engine 924.9, 926.9 in model 958.0/1 Engine 926.9 in model 958.2

Non disponibile in “it”; mostrato in Inglese.

Collocazione

Gruppo funzionale 1 Motore › 07 Preparazione della miscela › 07.03 Iniettori — Serie 958 (modelli 0**, 1**, 2**)

EinPAS 15 Motore › 15.45 Gestione del motore › 15.45.42 Ripartitore del carburante/rail/ugello/iniettore — Serie 958 (modelli 0**, 1**, 2**)

Valido anche per motori/cambi: 924 9**, 926 9**

AR07.03-B-6831TJ

Remove/install nozzle holder combination

28.11.2019

Engine

924.9, 926.9 in model 958.0/1

Engine

926.9 in model 958.2

Modification notes

08.12.2006

Remove and install, add constant throttle valve.

Work steps 2, 19

Remove/install nozzle holder combination

W07.03-1047-09

1

Impact puller

6

Sealing ring (only in engines with sealing ring)

11

Fastening clamp

2

Threaded adapter

7

O-Ring

12

Bolt

3

O-Ring

8

Pressure tube connection

13

Top Brake cover

4

Combined injector holder

9

Pressure screw

14.1

Installation tool (injector carrier intake)

5

Sealing bushing (only in engines with sealing bushing)

10

Top brake line (constant throttle)

14.2

Installation tool (sealing bushing intake)

Remove

Danger

Risk of explosion caused by fuel igniting, risk of poisoning caused by inhaling and swallowing fuel as well as risk of injury to eyes and skin caused by contactwith fuel.

No fires, sparks, open flames or smoking. Pour fuels into suitable and appropriately marked containers only.
Wear protective clothing when handling fuel.

AS47.00-Z-0001-01A

1

Remove the cylinder head cover


.

AR01.20-B-5014TA

2

Remove the Top Brake piping (10)

3

Remove injection pipe


.

AR07.15-B-9235TJ

4

Lift off the pressure bolt (9) and disassemble the pressure tube sleeve (8)

5

Remove the bolt (12) and remove the fastening clamp (11)

6

With the threaded adapter (2) and the impact puller (1), remove the combined injector carrier (4)

Impact extractor

*355589016300

Threaded insert

*904589006300

7.1

Remove the sealing ring (6) on the combined injector carrier (4) or pull from the cylinder head

On the engine with sealing ring (6).

7.2

Pull the sealing bushing (5) on the combined injector carrier (4), eventually remove from the cylinder head with the puller tool and impact puller (1)

On the engine with sealing bushing (5).

Impact extractor

*355589016300

Extraction tool

*906589026300

8

Clean the combined injector carrier (4) from combustion residue and check for wear

Clean the support surface of the sealing bushing (5) or of the sealing ring (6) with a brass bristle wire brush, eventually replace the combined injector carrier (4).

Install

9

Install the new O-Ring (3) on the combined injector carrier (4)

High-temperature grease

*BR00.45-Z-1051-06A

10.1

Install the new O-Ring (6) on the combined injector carrier (4)

Engine with sealing ring (6)

The small annular surface on the sealing ring (6) must point to the combination of the injection nozzle (4).

10.2

Press the new sealing bushing (5) with the assembly tool (14.1, 14.2) on the combined injector carrier (4)

Engine with sealing bushing (5)

The sealing bushing (5) is already installed at the new combined injector carrier (4).

Assembly tool

*906589036300

11

Install the combined injector carrier (4) in the cylinder head and twist with the fastening clamp (11) in the cylinder head

The spherical guide on the fastening clamp (11) has to coincide with the cavity in the constant throttle cover (13).

12

Screw-on the fastening clamp (11) with the bolt

Attachment support of the cylinder head injector

*BA07.15-B-1003-01A

13

Apply some grease on the new O-Ring (7) and insert it in the pressure tube (8) connection

High-temperature grease

*BR00.45-Z-1051-06A

14

Install the pressure tube (8) connection

Injector pressure pipe, inside the cylinder head

*BA07.15-B-1005-01A

15

Install the injection line

AR07.15-B-9235TJ

16

Install the Top Brake piping (10)

Replace sealing rings.

17

Install cylinder head cover

AR01.20-B-5014TA

Diesel injection system with injection unit (MR/PLD)

Number

Designation

Engine 904.9, 906.9, 924.9, 926.9

BA07.15-B-1003-01A

Attachment support of the cylinder head injector

12 corners with spheric collar

Nm

35

Inside hexagonal

Nm

30

Diesel injection system with injection unit (MR/PLD)

Number

Designation

Engine 904.9, 906.9, 924.9, 926.9

BA07.15-B-1005-01A

Injector pressure pipe, inside the cylinder head

Nm

40...45

Remove/install nozzle holder combination
Remove/install nozzle holder combination
Remove/install nozzle holder combination
Remove/install nozzle holder combination

906 589 03 63 00

Assembly tool

904 589 00 63 00

Threaded insert

355 589 01 63 00

Impact extractor

906 589 02 63 00

Extraction tool

Repair materials

Number

Designation

Order number

BR00.45-Z-1051-06A

High-temperature grease

A 000 989 81 51

Documenti citati