SsangYong Musso. Manual — part 419

1F3-26 OM600 ENGINE CONTROLS

Tools Required

001 589 65 09 00 Serration Wrench

Removal & Installation Procedure

1. Remove the plastic clip from the injection pipe

2. Remove the fuel return hose.

3. Disconnect the injection pipes from the injection nozzles and

push them to the side.

4. Remove the fuel injection nozzle.

Serration Wrench 001 589 65 09 00

Notice

Replace the washers.

5. Installation should follow the removal procedure in the

reverse order.

Notice

Pay attention to the installation position of new nozzle washer
and tightening torque

OM600 ENGINE CONTROLS 1F3-27

INJECTION NOZZLE REPAIR

Preceding Work : Removal of fuel injection nozzle

1 Nozzle Holder
2 Steel Washer
3 Compression Spring
4 Thrust Pin

5 Intermediate Disc
6 Nozzle Needle
7 Nozzle Body
8 Nozzle Tensioning Nut . . . . . . . . 80Nm

1F3-28 OM600 ENGINE CONTROLS

Tools Required

001 589 65 09 00 Socket Wrench Insert

000 589 00 68 00 Cleaning Set

Repair Procedure

1. Clamp the nozzle holder (1) in a vice and remove the nozzle

tensioning nut (8).

Notice

Use protective jaws for clamping.

2. Disassemble the fuel injection nozzle.

Socket Wrench Insert 001 589 65 09 00

3. Clean the nozzle needle (6) and nozzle body (7) with an

abradant.

4. Clean the nozzle seat with cleaning cutter.

Cleaning Set 000 589 00 68 00

5. Immerse nozzle needle (6) and nozzle body (7) in filtered

diesel fuel. When the nozzle body is held vertical, the weight
of the nozzle needle must cause it to slide down toward the
nozzle needle seat.

6. Assemble the injection nozzle so that the tip of the thrust

(4) pin is facing toward the nozzle holder.

Tightening Torque

80 Nm

Notice

Nozzle needle (6) and nozzle body (7) should always be
replaced as a pair.

OM600 ENGINE CONTROLS 1F3-29

7. Check the fuel injection nozzle and adjust opening pressure

if necessary.

Opening pressure adjustment

Disassemble the fuel injection nozzle and replace the steel
washer (2).

Notice

Each 0.05mm thickness of the washer results in a pressure
difference of approx. 3bar.