ap4900b4950a

Exhaust system - inspect leaktightness and condition

Tipo ap · tema 49.00 · versione 0102 · 2017-06-08

Valido per: Engine all (BUS, TRUCK)

Non disponibile in “it”; mostrato in Inglese.

Collocazione

Gruppo funzionale 1 Motore › 49 Impianto di scarico, depurazione dei gas di scarico › 49.00 Generalità — Serie 900 (modelli 9**) · Serie 902 (modelli 9**) · Serie 904 (modelli 918, 919, 924, 925, 938, 943, 957) · Serie 906 (modelli 917, 918, 924, 953)

EinPAS 15 Motore › 15.40 Impianto di scarico/post-trattamento dei gas di scarico › 15.40.1 Informazione basilare — Serie 900 (modelli 9**) · Serie 902 (modelli 9**) · Serie 904 (modelli 918, 919, 924, 925, 938, 943, 957) · Serie 906 (modelli 917, 918, 924, 953)

Valido anche per motori/cambi: 139 ***, 254 ***, 256 ***, 272 ***, 276 ***, 282 ***, 457 9**, 541 9**, 542 9**, 608 ***, 700 4**, 700 420, 700 421, 700 422, 700 423, 715 3**, 715 5**, 722 6**, 722 9**, 724 ***, 724 0**, 724 033, 724 044, 724 045, 724 1**, 724 103, 724 114, 724 115, 724 120, 725 ***, 725 0**, 725 035, 725 037, 725 038, 725 085, 725 1**, 739 390, 739 391, 739 395, 739 396, 739 397, 739 398, 739 399, 740 698, 743 3**, 743 4**, 743 498, 746 971, 924 9**, 924 910, 925 9**, 926 9**

AP49.00-B-4950A

Exhaust system - inspect leaktightness and condition

07.06.2017

Engine

all (BUS, TRUCK)

Check

Warning

Risk of injury. Skin or eye injuries may result when handling hot or glowing objects.

Wear protective gloves, protective clothing and safety glasses, if necessary.

AS00.00-Z-0002-01A

1

Check condition of the complete exhaust system regarding damages and correct fixture

Remove, if equipped, thermal/acoustic guards

2

Check if pipe joint clamps are well tightened and whether the ends are overlapping sufficiently (check for traces of rusting)

Warning

Risk of accident from vehicle starting off by itself when engine running. Risk of injury (bruises and burns) resulting from working on the engine while it is being started or when it is running.

Secure vehicle to prevent it from starting off by itself. Wear closed and snug-fitting work clothes. Do not touch hot or rotating parts.

AS00.00-Z-0005-01A

3

Run engine at idle speed, cover exhaust tube outlet with adequate means (plugs, plates or similar) until, if possible, a high exhaust pressure is produced

4

Check exhaust system for eventual leaks, mainly between admission manifold and cylinder head, flange, engine brake, turbocharger, muffler and clamped joints

If necessary, retighten.

5

Shut down the engine and assemble the thermal/acoustic guards if available

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