300D (124.133) L6-3.0L DSL Turbo (603.960) (1987)
Pre-combustion Chamber: Service and Repair
REMOVAL
Fig. 4 Sectional view of pre-combustion chamber.
The pre-combustion chambers are identified at the upper flange with the code numbers 601/07 for the 601 engine and 601/09 for the 603 engine. Six
burner bores of different diameters are located on the pre-chamber lower half (burner neck) at different levels and angle positions, Fig. 4.
1.
Mark, disconnect and cap fuel injection lines from fuel injection nozzles.
2.
Loosen fuel injection line brackets from intake manifold.
3.
Loosen Bowden wire bracket from engine regulator and position aside.
Fig. 5 Sectional view of cylinder crankcase, pencil element glow plug, pre-combustion chamber, nozzle reed & nozzle holder
4.
Loosen nozzle holder bracket, then remove pencil element glow plugs, Fig. 5.
5.
Remove threaded ring.
6.
Using tool 601589063300 or equivalent, remove pre-combustion chambers from cylinder head bores and cover cylinder head cover bores.
INSTALLATION: