105400-3420 ZEXEL 9 420 610 523 BOSCH GOVERNOR 9420610523 1054003420 1910195104

2. Disconnect air compressor line (2) and fuel ratio control line (3) from the aftercooler housing.3. Remove four bolts (1), nuts and cover that connect the inlet pipe to the aftercooler housing. 4. Put a mark on the turbocharger compressor housing in alignment with a mark on the turbocharger cartridge housing. Loosen the bolts for the turbocharger compressor housing. Turn the housing so air inlet pipe (4) is away from the aftercooler housing.5. Remove bolts (5) that hold the aftercooler housing to the cylinder head.6. Fasten a hoist to the aftercooler housing and remove the aftercooler housing from the engine. Weight is 95 lb. (43 kg).Install Aftercooler Housing
1. Install new O-ring seals on the aftercooler water inlet and outlet pipes. 2. Fasten a hoist to aftercooler housing (1) and put the aftercooler housing in position on the water pipes and cylinder head.3. Put 9S3263 Thread Lock on the threads of the bolts and install the bolts that hold the aftercooler housing to the cylinder head. 4. Turn the turbocharger compressor housing carefully so the mark on the housing is in alignment with the mark on the turbocharger cartridge housing. Tighten bolts (2) for the compressor housing to 105 5 lb.in. (11.9 0.6 N m).
Do not cause damage to the O-ring seal between the turbocharger compressor housing and the cartridge housing.
5. Install the four bolts and nuts that connect the air inlet pipe to the aftercooler housing.6. Connect the air compressor line and fuel ratio control line.7. Fill engine with coolant.end by:a) install fuel filter base