Check/repair cylinder crankcase sealing surface

AR01.40-W-9129A

Check/repair cylinder crankcase sealing surface

4.5.07



Removing

1

Remove cylinder head

Engine 904.9

Engine 906.9 without code (MS8) Natural gas engine

AR01.30-W-5800A

Engine 902.9, 906.9 with code (MS8) Natural gas engine

AR01.30-W-5800H

2

Clean crankcase sealing surface



Information on working sealing surfaces when carrying out engine repairs

AH01.10-N-0002-01A



Check

3

Check crankcase sealing surface in the areas around the coolant holes (1) for corrosion scars or pitting (2) through the metal casing of the cylinder head gasket

 Critical leaks points are areas around the coolant holes (1) in the direction outwards or to the cylinder bore.

Process and repair crankcase sealing surfaces as necessary.

Repairing

4

Processing and repairing the crankcase sealing surface

 Allow 2-component material mixture to harden at an interior temperature of 20°C for 4 hours.

AR01.40-W-9129-01A

Use a 5 mm Ø ball cutter and hand drill.

Repair kit for crankcase sealing surface

*BR00.45-Z-1014-08A



Stop plugs for closing off bores

WF58.50-W-0100-04A



Install

5

Install cylinder head

 One can reattach the cylinder head after a hardening time of about 4 hours at an interior temperature of 20°C. The engine should only be started again after a further a 12 hours otherwise the repair areas can be leaky.

Engine 904.9

Engine 906.9 without code (MS8) Natural gas engine

AR01.30-W-5800A

Engine 902.9, 906.9 with code (MS8) Natural gas engine

AR01.30-W-5800H

Number

Designation

Order number

BR00.45-Z-1014-08A

Repair kit for crankcase sealing surface (Titanium Putty H. P) 2-component material with acetone universal quick-cleaner
Order no.: 10765

ITW Devcon Industrial Products GmbH
Liebigstr. 21
24145 Kiel
Germany
Tel: +49 431 71883-0
Fax: +49 431 71883-25
www.
devconeurope.com