Processing and repairing the crankcase sealing surface

AR01.40-B-9129-01TA

Processing and repairing the crankcase sealing surface

Engine

904.9 in model 958.0

Engine

906.9 in model 958.0

Engine

906.9 in model 958.2

Engine

924.9 in model 958.0/1

Engine

926.9 in model 958.0/1

Engine

926.9 in model 958.2

Repair materials

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
http://www.devconeurope.com

1

Plug all coolant orifices to be machined (1) with fabricated plugs (2).

2

Plug the remaining orifices of coolant, engine oil, tappet push rods, cylindrical head screws and cylinder bores on the engine block deck with adhesive tape.

 Leave free the surfaces to be machined.

3

With a steel wire brush the surfaces with corrosion scars or recesses (arrow) around the coolant channels to be machined, until these surfaces are polished.

4

Mill the corrosion scars or recessed areas (arrow) with a ball nose milling machine Ø 5 mm (depth 0,7 up to 1,0 mm).

 Utilize a manual drill.

5

Degrease an ample surface area around the coolant channels with a universal quick cleaner with acetone.

6

Mix both 2 component materials (basic material and hardener) in the correct mixing proportion with 3:1 volume or with 4.3:1 weight, with a spatula, for at lest 4 minutes.

 The 2 component mix must have a homogeneous coloration, preferably be free of air bubbles, have the consistency of dough and be free of lumps. In the case of several places to be reworked, pour the hardener in the basic material can and mix. In the case of a single place to be reworked, put a small quantity of the hardener and of the basic material in a container, and mix them.

7

Apply the 2 component mix uniformly with a spatula on the location to be reworked (arrow).

 To obtain a smooth surface, wet the spatula in water and apply the 2 component mix.

8

Allow the two-component mixture to cure at a room temperature of 20°C for approx. 4 hours.

 The curing time will be greater with low ambient temperature. Never utilize an open flame for heating.
Never utilize an open flame for heating.

9

Remove the excessive 2 component mix with a spatula, if necessary, scrape the repair locations carefully until leveling them.

10

Remove the adhesive tape on the crankcase sealing surface and clean the locations for sticking the adhesive tape .

11

With pliers, pull the closing plugs out of the coolant channels.

 Dirt must not get in the cooling circuit.