B07.03-0003-09
1 Injector holder with injection nozzle
2 Screw
3 Injector attachment piece
4 O-ring
5 Sealing washer
6 Closing cover of the constant throttle
7 O-ring
8 Injector pressure pipe, internal
9 Pressure screw
10 Injector pressure pipe
11 Puller
L Maximum permissible length of the bolt
| Removal | ||
1 | Remove the head cover | ||
Danger! | Follow the safety measures when handling fuel | Risks of explosion and injuries. | |
2 | Remove injection line (10). | Plug the connections at the injection unit and in the injection holder. | |
3 | Remove the screw (9) and the internal pressure line (8) | ||
4 | Remove the screw (2) and the support (3) fastening the injector holder (1) | ||
5 | Remove the injector holder (1) with the impact puller | Use the threaded adapter in the injector holder for the installation of the impact puller. | |
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When removing the injector holder, do not turn it in order not to compromise the adjustment values. Do not disassemble the injector holder (1). | |||
In case of irregularities. replace the complete injector holder (1). | |||
6 | Remove the impact puller and the injector-holder threaded adapter (1) | Protect the injector holder against impurities penetration. | |
| Installing | ||
7 | Measure the shank length (L) of bolt (2). | If the length (L) is longer than the recommended one, replace the bolt (2). | |
8 | Check the taper orifice on injector holder (1) for wear and if the taper at the end of the internal pressure line (8) presents wear or cracks | In there are irregularities, replace the tubes (8) and/or the complete injector holder (1) to ensure its tightness. | |
9 | Replace the sealing ring (5) on injector holder (1). | The smaller area surface of the washer (5) must face the injector holder. | |
Clean the sealing support surface in the injector holder. | |||
Do not use metallic brushes to clean the injection nozzle's tip. Carry out the cleaning by means of ultrasound. | |||
10 | Replace the O-ring (4) on injector holder (1) | Lubricate the O-ring (4) with engine oil. | |
11 | Install injector holder (1) in cylinder head | The correct positioning of the injection-holder (1) with regard to the internal pressure tubes (8) is ensured by the fastening rack (3). | |
12 | Install the support (3) fastening the injector holder and the bolt (2) | | |
13 | Replace the O-ring (7) in the internal pressure tubes (8) | Lubricate the O-ring (7) with engine oil. | |
14 | Install the internal pressure line (8) and tighten the bolt (9) | Only tighten the pressure bolt (9) after having tightened the attachment support (3). | |
Apply sealing compound to the thread of bolt (9). | |||
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15 | Install the injection line (10) | ||
16 | Install the cylinder head cover |
Injection nozzles
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 | |||
Injection nozzles
Número | Denominação | Engine 457.926 | |||
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 | |||
Diesel injection system with unit pumps (MR/PLD)
Número | Denominação | Engine 457.9; 460.9 | |||
BA07.15-B-1003-01B | Attachment support of the cylinder head injector | Nm | 50 | ||
BA07.15-B-1004-01B | Injection pipe, from the injection unit to the injector pressure pipe | 1st stage | Nm | 15 | |
2nd stage | angular | 90° | |||
355 589 01 63 00
Impact puller
904 589 00 63 00
Threaded adapter.
Produtos para reparos
Número | Denominação | Número de pedido |
BR00.45-B-1011-01A | Sealing product - Loctite 574 | A 001 989 89 20 |