190D 2.5 (201.126) L5-2.5L DSL (602.911) (1987)
In this case, a 0.3 mm thick spacer washer would be installed
The spacer washer selected must be at least 0.1 mm thicker than the material removed from the seal surface.
8.
unscrew end mill and remove all metal shavings.
Note:
If the seating surface is not completely even, then the end mill must be reinserted and the seating surface must be reworked again. Afterwards, repeat
measurements in step 5.
9.
Remove rag fram Prechamber bore and crank engine with starter. This will eject any possible metal shavings from the combustion chamber.
10.
Select the correct size spacer washer and insert it.
Figure 6
11.
Using a center punch, mark the cylinder head above each pre-chamber that has been reworked (Figure 6)
12.
Reinstall pre-chamber.
Note:
the procedure with the cylinder head removed is the same with exception of steps 5 and 7. instead of steps 5 and 7, the Prechamber projection
(demention c, figure 2) must be measured.
Parts Information
Part name
part number
Spacer washer
0.3 mm
601 017 04 60
0.6 mm
601 017 02 60
1.0 mm
601 017 03 60
Special Tool Information
Tool Name
Tool Number
Group/Category
Dealer Net Price*
End Mill
601 589 00 66 00
01/C
$ 233.20
* Subject to change
Time Allowance
02-0111 Pre-chamber Seat, Rework
0.8 hrs. 42/43/46/57/81/87
02-0112 Pre-chamber Seat, Rework
00.2 hrs. 42/43/46/57/81/87
(Cylinder head removed)