G3406 Engines Caterpillar


Housing (Front)

Usage:

G3406 1RK



Illustration 1g02178708

Note: Before installation of the front housing, inspect the following components for any foreign materials: rear of the front housing, both sides of gasket (1) , both sides of plate (2) , both sides of gasket (3) and front face of the cylinder block. These components must be free of the following substances: oil, water, gasket adhesive, assembly compounds and any other foreign material. After assembly, trim the gaskets to the surfaces of the front housing and of the cylinder block.

Use Loctite blue RTV Silicone to fill any spaces between the front housing and the cylinder block at the joint for the engine oil pan.




Illustration 2g02178721

Fasteners inside the front housing

(4) Bolt

Number of bolts at locations (X) ... 8
Tighten the bolts to the following torque: ... 55 ± 10 N·m (41 ± 7 lb ft)
Tighten the bolts again to the following torque: ... 55 N·m (41 lb ft)

Note: Apply red Loctite 271 to the serrations on the stud.

(5) Maximum protrusion of the stud from the plate ... 4.5 mm (0.17 inch)

(6) Apply, red Loctite 271 on both the sides of the gasket.

Note: Apply red Loctite 271 to the serrations on the stud.

(7) Maximum protrusion of the stud from the plate ... 4.5 mm (0.17 inch)

(8) Apply, red Loctite 271 on both the sides of the gasket.




Illustration 3g02178724

Fasteners on the face of the front housing

(9) Torque for the studs ... 55 ± 5 N·m (41 ± 4 lb ft)

(10) Torque for the nuts ... 55 ± 5 N·m (41 ± 4 lb ft)

(11) Stud

Apply red Loctite 271 to the threads of the studs.
Number of studs at locations (S) ... 2
Distance from the face of the front housing to the outer ends of the studs at locations (S) ... 28.0 ± 1.5 mm (1.10 ± 0.06 inch)
Number of studs at locations (Y) ... 3
Distance from the face of the front housing to the outer ends of the studs at locations (Y) ... 31.0 ± 1.5 mm (1.2 ± 0.06 inch)

(12) Stud

Number of studs at locations (Z) ... 5
Torque ... 35 ± 5 N·m (26 ± 4 lb ft)
Distance from the face of the front housing to the outer ends of the studs at locations (Z) ... 31.0 ± 1.5 mm (1.22 ± 0.06 inch)

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