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首頁(yè) 技術(shù)中心>約翰迪爾John Deere發(fā)動(dòng)機(jī)冒過(guò)量的黑色或灰色煙的故障原因分析診斷與處理方法強(qiáng)鹿配件

約翰迪爾John Deere發(fā)動(dòng)機(jī)冒過(guò)量的黑色或灰色煙的故障原因分析診斷與處理方法強(qiáng)鹿配件

2022-5-27 6:28:48

約翰迪爾John Deere發(fā)動(dòng)機(jī)冒過(guò)量的黑色或灰色煙的故障原因分析診斷與處理方法強(qiáng)鹿配件

 

1 E5 - Preliminary Check

Before using this diagnostic procedure:

1.   Ensure fuel quantity and quality are OK.

2.   Ensure engine is not excessively loaded.

3.   Ensure air filter is not restricted or  plugged.

Problem not found:

GO TO  2

Problem found: Repair and retest.

– – –1/1

 

2 Intake and Exhaust Restriction and Air Leak Test

Check for intake and exhaust restrictions and air leaks. See all of the   following:

·   CHECK FOR INTAKE AND EXHAUST RESTRICTIONS (CTM100, Section 04, Group 150)

·   CHECK FOR INTAKE AIR LEAKS (CTM100, Section 04, Group  150)

·   CHECK FOR EXHAUST AIR LEAKS (CTM100, Section 04, Group  150)

No restrictions or leaks found:

GO TO  3

Restrictions or leaks found:

Repair or replace components as necessary.

– – –1/1

 

3   Turbocharger Failure

Check for turbocharger failure. See TURBOCHARGER SEVEN-STEP INSPECTION in Section 02, Group 080 of CTM100.

No turbocharger failure found:

GO TO  4

Turbocharger failure found:

Follow appropriate repair procedure found in the above inspection in Section 02, Group 080 of CTM100.

– – –1/1

 

4

Valve Lash Test

Check valve lash. See CHECK AND INJECTOR PRELOAD in

AND ADJUST VALVE

Section 02, Group 020

ASSEMBLY of CTM100.

CLEARANCES

Valve lash on all valves within  specification: GO TO  5

Valve lash on one or more valves out of specification:

Adjust valve lash and retest.

– – –1/1

 

5 Cam to Crank Timing Test

Verify cam/crank timing is correct. See CHECK AND  ADJUST

CAMSHAFT-TO-CRANKSHAFT TIMING in CTM100, Section 02, Group 050.

Camshaft to crankshaft timing OK:

Ensure there are no engine mechanical problems.

If no other problems are found, see E3 - ENGINE DOES NOT DEVELOP

FULL POWER in this Group.

Camshaft to crankshaft timing not OK:

Adjust cam/crank timing. See CHECK AND ADJUST

CAMSHAFT-TO-CRANKS

TIMING in Section 02, Group 050 of CTM100, and retest.

– – –1/1

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