Remove/install nozzle holder combination

AR07.03-B-6831TD

Remove/install nozzle holder combination

12.02.16



Removal

Danger!

Risk of explosion by fuel inflammation, risk of poisoning by fuel inhalation and ingestion, and risk of injury by fuel contact with skin and eyes

It is forbidden to smoke, set fire, sparks or open flame. Only store fuel in appropriate and respectively identified containers. When handling fuel use appropriate protective clothing and equipment

AS47.00-B-0001-01A

1

Remove air intake collector

AR09.41-B-8681TD

2

Remove the head cover

AR01.20-B-5014G

3

Remove injection tubing

 Injection tubing must not be twisted; its inner lining may detach and damage the engine.

AR07.15-B-9235TC

4

Remove pressure bolt (1) and disassemble pressure tube neck (2)

5

Remove tension bow (5)

6

Mount threaded insert with percussion extractor on combined injector holder (6) (arrow)



*355589016300



7

Withdraw combined injector holder (6) with the percussion extractor

 The combined injector holder (6) must not be removed.



*355589016300



*904589006300

8

Remove threaded insert with percussion extractor from combined injector holder (6)



*355589016300



*904589006300

9

Withdraw sealing ring (8) from combined injector holder (6)

 Only when reinstalling a used combined injector holder (6).

10

Withdraw seal bushings (8) from cylinder head

 Only with seal bushings (8) stuck in cylinder head.



*355589016300



*906589026300

11

Clean combustion remainders from combined injector holder (6) and make a visual inspection

 Only when reinstalling a used combined injector holder (6).

Clean the contact surface for sealing sleeve (8) with a brass brush.

12.1

Clean combined injector holder (6) with ultrasonic injector cleaning equipment

For Euro 2 version engines and in case of complaints of bad engine performance.

AR07.03-B-6833TA

 In case of unsuccessful cleaning:



Replace combined injector holder (6).

12.2

Replace combined injector holder (6)

Engines as from Euro 3 version



Installation:

13

Measure shaft length (L) of screw (4)

 If different from max. shaft length (L), replace screw (4).

*BE07.03-B-1001-01A

14

Press new sealing sleeve (8) with mounting tool (10.1, 10.2) into combined injector holder (6)

 Only when reinstalling a used combined injector holder (6).



*906589036300

15

Mount new O-ring (7) on combined injector holder (6)

 Only when reinstalling a used combined injector holder (6).

16

Cautiously apply hot bearing grease to O-ring (7)

*BR00.45-B-1051-06A

17

Position new O-ring (3) on pressure tube connection (2)

 Apply a slight amount of heat resistant bearing grease to O-ring (3) and to pressure tube connection (2) and use engine oil to moisten the sealing cone area.

*BR00.45-B-1051-06A

18

Install combined injector holder (6) and position tension bow (5)

 Assure correct mounting position of combined injector holder (6) in relation to pressure tube connection opening.

19

Insert pressure tube connection (2) into the cylinder head until it locks into the fuel orifice of combined injector holder (6)

 If necessary, rotate combined injector holder (6) with tension bow (5) in the cylinder head.

20

Fasten tension bow (5) with screw (4)



*BA07.15-B-1003-01B

21

Fasten pressure tube connection (2) with pressure screw (1)



*BA07.15-B-1005-01B

22

Mount the injection pipe

 Injection tubing must not be twisted; its inner lining may detach and damage the engine.

AR07.15-B-9235TC

23

Install cylinder head cover

AR01.20-B-5014G

24

Install air intake collector

AR09.41-B-8681TD

Número

Denominação

Engine 457.914/915/916, 457.917/918

Engine 457.919, 457.92 (except 457.926) from No. ending in 729791, 457.93

BE07.03-B-1001-01A

Screw of the fixing saddle of the injection nozzle and Top Brake

Thread diameter

M

10

10

"New" length

mm

90

90

"Maximum" length

mm

91

91

Número

Denominação

Engine 457.926

Engine 457.907/908/909, 457.910/911/983; 460.984

BE07.03-B-1001-01A

Screw of the fixing saddle of the injection nozzle and Top Brake

Thread diameter

M

10

10

"New" length

mm

90

90

"Maximum" length

mm

91

91

Número

Denominação

Engine 457.925/928/929, 457.931 up to No. ending in 729790

BE07.03-B-1001-01A

Screw of the fixing saddle of the injection nozzle and Top Brake

Thread diameter

M

10

"New" length

mm

90

"Maximum" length

mm

91

Número

Denominação

Engine 457.9; 460.9

BA07.15-B-1003-01B

Attachment support of the cylinder head injector

Nm

50

BA07.15-B-1005-01B

Injector pressure pipe, inside the cylinder head

Nm

40...45

Número

Denominação

Número de pedido

BR00.45-B-1051-06A

Grease for heat resistant bearings

A 000 989 81 51