Disassemble, clean, assemble and set nozzle holder and injection nozzle

AR07.03-G-6713MT

10.1.07

MODEL 000.001 with ENGINE 444.901
Euro 1

MODEL 000.001 with ENGINE 444.901
Euro 2

MODEL 000.001 with ENGINE 447.903
Euro 2

T07.03-0008-11

1 Pressure nut

2 Nozzle

3 Nozzle needle

4 Intermediate disk with fixing pin

5 Pressure pin

6 Compression spring

7 Washer

8 Nozzle holder

	Removing
1	Remove nozzle holder (8) with injection nozzle		AR07.03-G-6840MT
2	Check ejection pressure of injection nozzle	 Note ejection pressure of injection nozzle and compare with specified test value.	AR07.03-G-6712-01MT
			*BE07.03-N-1001-01L
			*BE07.03-N-1002-01L
	Disassemble
3	Disassemble and clean nozzle holder (8) and injection nozzle		AR07.03-G-6713-01MT
			*403589001300
			*403589003100
4	Adjust injection nozzle	 Only conduct if ejection pressure of injection nozzle recorded in operation step 2 does not match the specified test value.	AR07.03-G-6713-02MT
	Assemble
5	Assembly nozzle holder (8) and injection nozzle together		AR07.03-G-6713-03MT
			*BA07.03-N-1003-01F
			*403589001300
			*403589003100
			*000589642100
6	Test injection nozzles		AR07.03-G-6712MT

Check values for injection nozzles

Number	Designation			Engine 447.903	Engine 444.901 Euro 1	Engine 444.901 Euro 2


BE07.03-N-1001-01L	Opening pressure of nozzle holder combination	New	bar	220	200 to 210	220 to 228
		worn	bar	200 to 220	180 to 200	200 to 220
BE07.03-N-1002-01L	Pressure difference within the engine		bar	10	10	10

 Injection nozzles, injection valves, lines

Number	Designation		Engine 444.901, 447.903


BA07.03-N-1003-01F	Pressure nut, nozzle holder to injection nozzle	Nm	80

000 589 64 21 00

Socket

Torque wrench

Testing unit

Bracket

000 589 14 27 00

403 589 00 13 00

403 589 00 31 00