ar0703t6712b
Test injection nozzles
ประเภท ar · หัวข้อ 07.03 · เวอร์ชัน 0103 · 2012-05-30
ใช้กับ: ENGINE 441.9 in MODEL 613.355/364/365 ENGINE 402.970, 446.938 in MODEL 613.455/485
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ตำแหน่ง
กลุ่มฟังก์ชัน 1 Engine › 07 Mixture formation › 07.03 Injection jets, Injection valves, Lines — ซีรีส์ 441 (รุ่น 9**) · ซีรีส์ 613 (รุ่น 355, 364, 365, 455, 485)
EinPAS 15 Engine › 15.45 Engine management › 15.45.42 Fuel distributor/rail/nozzle/injector — ซีรีส์ 441 (รุ่น 9**) · ซีรีส์ 613 (รุ่น 355, 364, 365, 455, 485)
ใช้กับเครื่องยนต์/เกียร์ด้วย: 402 970, 446 938
AR07.03-T-6712B
| Test injection nozzles
| 21.05.2012
|
ENGINE
| 441.9 in MODEL 613.355/364/365
|
ENGINE
| 402.970, 446.938 in MODEL 613.455/485
|
1
| Injection nozzle
|
2
| Nozzle holder
|
3
| Tester
|
4
| Pressure gage
|
| Check
|
|
|
Danger !
| Risk of explosion caused by test oil being ignited. Risk of injury to skin and eyes caused by test oil streaming out
| Keep all ignition sources out of the hazard area. Only check injection nozzles in the nozzle testing device. Do not touch the injection nozzle stream.
| AS07.03-Z-0001-01A
|
1
| Remove injection nozzle (1) with nozzle holder (2)
|
| AR07.03-T-6840B
|
2
| Carefully remove all carbonization residues on injection nozzle
|
|
|
3
| Connect injection nozzle and nozzle holder to the testing unit (3)
| Only clean test oil or filtered diesel fuel should be used for testing
|
|
4
| Checking leaktightness of injection nozzle
|
| AR07.03-T-6712-03B
|
|
|
| Tester
| *000589142700
|
5
| Check ejection pressure of injection nozzle
|
| AR07.03-T-6712-01B
|
|
|
| Read off the ejection pressure at the pressure gage (4) of the test equipment.
|
|
|
|
| Opening pressure
| *BE07.03-N-1001-01I
|
|
|
| Pressure difference within the engine
| *BE07.03-N-1002-01I
|
|
|
| Tester
| *000589142700
|
6
| Check spray pattern and chatter of injection nozzle
|
| AR07.03-T-6712-02B
|
|
|
| Tester
| *000589142700
|
|
|
| If the result of the test is negative:
|
|
|
|
|
|
|
|
|
| Disassemble, clean, assemble and set nozzle holder and injection nozzle
| AR07.03-T-6713B
|
Check values for injection nozzles
|
Number
| Designation
|
|
| ENGINE 402.970
| ENGINE 441.9
|
BE07.03-N-1001-01I
| Opening pressure
| New
| bar
| 200 (+8)
| 200 (+8)
|
|
|
| worn
| bar
| 180
| 180
|
Check values for injection nozzles
|
Number
| Designation
|
|
| ENGINE 446.938
|
BE07.03-N-1001-01I
| Opening pressure
| New
| bar
| 220 (+10)
|
|
|
| worn
| bar
| 200
|
Check values for injection nozzles
|
Number
| Designation
|
| ENGINE 402.970
| ENGINE 441.9
|
BE07.03-N-1002-01I
| Pressure difference within the engine
| bar
| 10
| 10
|
Check values for injection nozzles
|
Number
| Designation
|
| ENGINE 446.938
|
BE07.03-N-1002-01I
| Pressure difference within the engine
| bar
| 10
|
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