RING-RETAINING 7N8421 - Caterpillar

Illustration 1 g01377443
Rear view
Illustration 2 g01377455
Left side view (1) Apply 154-9731 Thread Lock Compound to stud serration and both sides of gasket before assembly. (2) Torque for the drain plug ... 55 14 N m (41 10 lb ft) (3) The front face of the flywheel housing and the rear face of the cylinder block must be free of oil, fuel, water, dirt and any other contaminants during assembly.
Illustration 3 g01392827
View A-A (4) The pipe plug must not protrude above the surface after assembly. (5) Apply a continuous bead of 4C-9612 Silicone Sealant immediately prior to assembling the flywheel housing. After assembly of the flywheel housing, remove any excess sealant from the flange with a straight edge.
Illustration 4 g01392832
(6) Cylinder block (7) Apply 4C-9612 Silicone Sealant to the T-shaped joints immediately prior to the installation of the gasket for the pan. The application of the sealant should cover the entire width of the T-shaped joints, as shown.
Illustration 5 g01377457
Tightening sequenceUse the following procedure to tighten the bolts for the flywheel housing:
Tighten bolts (1) through bolts (17) in a numerical sequence.Torque ... 40 10 N m (30 7 lb ft)
Again tighten bolts (1) through bolts (8) in a numerical sequence.Torque ... 135 20 N m (100 15 lb ft)
Again tighten bolts (9) through bolts (17) in a numerical sequence.Torque ... 55 10 N m (41 7 lb ft)