ar0100d0200sd

Inspect cylinders with a light probe

Type ar · topic 01.00 · version 0201 · 2016-07-14

Applies to: Engine 642.896/992, 646.984/985/986/989/990, 651.955/956/957 in model 906 Engine 651 in model 900

Where it sits

Function group 1 Engine › 01 Complete engine, crankcase ventilation, cylinder head, crankcase › 01.00 General — Series 646 (models 984, 985, 986, 989, 990) · Series 651 · Series 900 · Series 906

EinPAS 15 Engine › 15.15 Combustion engine, complete/engine housing/crank assembly › 15.15.15 internal combustion engine, complete — Series 646 (models 984, 985, 986, 989, 990) · Series 651 · Series 900 · Series 906

Also applies to engines/gearboxes: 642 896, 642 992

AR01.00-D-0200SD

Inspect cylinders with a light probe

27.06.2016

Engine

642.896/992, 646.984/985/986/989/990, 651.955/956/957 in model 906

Engine

651 in model 900

Modification notes

16.06.2016

Contents and structure updated

Operation steps 1 to 9

Inspect cylinders with a light probe

Shown on ENGINE 646.985

1

Light projector

2

Endoscope

D01.00-1111-06

Danger !

Risk of explosion caused by fuel igniting, risk of poisoning caused by inhaling and swallowing fuel as well as risk of injury to eyes and skin caused by contactwith fuel.

No fires, sparks, open flames or smoking. Pour fuels into suitable and appropriately marked containers only.
Wear protective clothing when handling fuel.

AS47.00-Z-0001-01A

Remove

1

Withdraw ignition key

This prevents unintended starting of the engine.

2

Remove injectors


Engine 642.896/992 in model 906

AR07.16-D-1000SF

Engine 646.984/985/986/989/990 in model 906

AR07.16-D-1000SD

Engine 651 in model 900
Engine 651.955/956/957 in model 906

AR07.16-D-1000WE

Check

3

Raise vehicle


Engine 646.984/985/986/989/990 in model 906

AR00.60-D-1000H

4

Set piston on cylinder to be checked to bottom dead center (UT) by turning the crankshaft


Engine 642.896/992 in model 906
Engine 651 in model 900, 906

AR01.00-D-0100SF

Engine 646.984/985/986/989/990 in model 906
Socket wrench bit

*001589650900

5

Connect endoscope (2) to light projector (1)

000 588 01 21 00 Endoscope

WS01.00-P-0097B

6

Guide endoscope (2) through injector well and into cylinder to be checked

000 588 01 21 00 Endoscope

WS01.00-P-0097B

7

Check cylinder barrel for damage and wear

General information on inspecting cylinder walls

Engine 642.896/992 in model 906

AH01.00-P-0300-01TD

General information on inspecting cylinder walls

Engine 646.984/985/986/989/990, 651.955/956/957 in model 906
Engine 651 in model 900

AH01.00-P-0300-01A

If there is wear on the cylinder, the cylinder barrel has become rough and the honing marks are no longer visible.

For not clearly identifiable cylinder wear or damage

Remove respective cylinder head

Remove/install cylinder head
Engine 646.984/985/986/989/990 in model 906

AR01.30-D-5800SD

Remove/install cylinder head
Engine 651 in model 900
Engine 651.955/956/957 in model 906

AR01.30-D-5800WE

Remove/install left cylinder head
Engine 642.896/992 in model 906

AR01.30-D-5770SF

Remove/install right cylinder head
Engine 642.896/992 in model 906

AR01.30-D-5780SF

8

Check remaining cylinder barrels in the same way

Install

9

Attach viscous fan clutch


Engine 642.896/992 in model 906

AR20.40-D-5660SF

10

Install injectors


Engine 642.896/992 in model 906

AR07.16-D-1000SF

Engine 646.984/985/986/989/990 in model 906

AR07.16-D-1000SD

Engine 651 in model 900
Engine 651.955/956/957 in model 906

AR07.16-D-1000WE

Inspect cylinders with a light probe

001 589 65 09 00

Socket wrench bit

Referenced documents