LATCH AS 1G7711 - Caterpillar

Note: There are many possible configurations of the rear gear group and the flywheel housing. The following procedure illustrates a typical example.Note: Check the condition of the O-ring seals. If the O-ring seals are worn or damaged, use new parts for replacement.Note: Use new gaskets for installation.
Install a new gasket on the cylinder block.Note: Do not use a gasket adhesive or any other type of sealant on the gasket. All of the mating surfaces must be free of contaminants.
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Typical example
Install Tools (B). Attach a suitable lifting device to flywheel housing (23) .The weight of the flywheel housing is approximately 160 kg (350 lb).
Remove plug (26) .
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Typical example
Place flywheel housing (23) in position. Use hole (27) in order to make an alignment of the "V" marks on the balancer gear and the rear crankshaft gear. Make sure to have the number one cylinder at top center.
Install bolts (25) .
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Note: Discard bolts used in locations (15) and (16). Use new bolts in these two locations.
Use the following torque sequence:
Torque bolts 1 thru 21 in numerical sequence to 40 7 N m (30 5 lb ft).
Torque bolt 1 thru 8 in numerical sequence to 135 15 N m (100 11 lb ft).
Torque bolts 9 thru 21 in numerical sequence to 50 10 N m (37 7 lb ft).
Install hose assembly (24) .
Install plug (19) with Tooling (C) on the threads of the plug.
Tighten the bolts to the correct torque in the correct numerical sequence. Refer to Specifications, "Flywheel Housing" for the correct tightening procedure.
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Typical example
Install Tool (A) in adapter assembly (11). Use a suitable lifting device for lifting the adapter assembly.The weight of the adapter assembly is approximately 31 kg (68 lb).
Install the gasket for the adapter assembly. Position the adapter assembly on the flywheel housing.
Install washer (13) and bolts (12) .
Install bolts (9) .
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Install adapter assembly (22). Repeat Steps 10 through 13.
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Typical example
Install pin (20), bolts (18), washer (17), and gear (19) in adapter assembly (15), if the parts were removed.
Install the O-ring seal on adapter assembly (15) .
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Install adapter (15). Install nuts (14) .
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Position cover (3) and cover (4) on the flywheel housing. Install bolts (6) and bolts (8) .
Position cover (4) on the flywheel housing. Install bolts (7) .
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Typical example
Install exhaust clamp (2). Tighten the clamp to a torque of 7.5 1.0 N m (66 9 lb in). Tighten the clamp again after the engine has been run.
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Typical example
Install exhaust clamp (1). Tighten the clamp to a torque of 7.5 1.0 N m (66 9 lb in). Tighten the clamp again after the engine has been run.End By:
Install the engine oil pan. Refer to Disassembly and Assembly, "Engine Oil Pan - Remove and Install".
Install the crankshaft rear seal. Refer to Disassembly and Assembly, "Crankshaft Rear Seal - Install".
Install the turbocharger. Refer to Disassembly and Assembly, "Turbocharger - Install".