PISTON 8E5279 - Caterpillar

Removal Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
A 138-7574 Link Bracket 2
B - Guide Stud
1/2 - 13 NC by 5 inch 2 Start By:
Remove the crankshaft rear seal. Refer to Disassembly and Assembly, "Crankshaft Rear Seal - Remove".
Remove the electric starting motor. Refer to Disassembly and Assembly, "Electric Starting Motor - Remove and Install".
Remove the turbocharger. Refer to Disassembly and Assembly, "Turbocharger - Remove".
Remove the exhaust elbow. Refer to Disassembly and Assembly, "Exhaust Elbow - Remove and Install".
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Illustration 1 g01203383
Disconnect tube assemblies (1) and (2).
Disconnect hose assemblies (3) and (4).
Remove two bolts (6) from flywheel housing (5) and install Tooling (B).
Illustration 2 g01203386
Attach Tooling (A) and a suitable lifting device to flywheel housing (5). The weight of flywheel housing (5) is approximately 97 kg (214 lb).
Remove remaining bolts (6). Remove flywheel housing (5) and the gasket from the rear flywheel housing. Installation Procedure
Table 2
Required Tools
Tool Part Number Part Description Qty
A 138-7574 Link Bracket 2
B - Guide Stud
1/2 - 13 NC by 5 inch 2
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Illustration 3 g01203386
Install Tooling (B) in the cylinder block.
Attach Tooling (A) and a suitable lifting device to flywheel housing (5). The weight of flywheel housing (5) is approximately 97 kg (214 lb).
Position the gasket and flywheel housing (5) on the rear housing. Install bolts (6).
Illustration 4 g01187414
Tighten the bolts, as follows:
In a numerical sequence, tighten Bolt (1) through Bolt (2) to a torque of 55 10 N m (41 7 lb ft).
In a numerical sequence, tighten Bolt (3) through Bolt (10) to a torque of 135 20 N m (100 15 lb ft).
In a numerical sequence, tighten Bolt (11) through Bolt (34) to a torque of 47 9 N m (35 7 lb ft).
Illustration 5 g01203383
Remove Tooling (B) and install remaining bolts (6) to flywheel housing (5).
Connect hose assemblies (3) and (4).
Connect tube assemblies (1) and (2). End By:
Install the exhaust elbow. Refer to Disassembly and Assembly, "Exhaust Elbow - Remove and Install".
Install the turbocharger. Refer to Disassembly and Assembly, "Turbocharger - Install".
Install the electric starting motor. Refer to Disassembly and Assembly, "Electric Starting Motor - Remove and Install".
Install the crankshaft rear seal. Refer to Disassembly and Assembly, "Crankshaft Rear Seal - Install".