CYLINDER HEAD GP 4872807 - Caterpillar

Illustration 1 g06077178
Typical example
Right side view of engine
Illustration 2 g06077196
Tightening sequence
Table 1
Specification for 460-8303 Turbocharger Gp, 439-1327 Turbocharger Gp, and 448-4983 Turbocharger Gp
Item Qty Part Specification Description
1 4 3E-8017 Locknut Before assembly, apply Bostik Never-Seez Marine Grade to the threads and bearing surfaces.
Torque to 70 5 N m (52 4 lb ft) in a cross pattern as shown in Illustration 2, when viewed facing turbo exhaust outlet.
Illustration 3 g06077184
Table 2
Item Qty Part Specification Description
2 - - Tighten the compressor clamp bolt to 13.6 1.1 N m (120.4 9.7 lb in).
3 - - Tighten the turbine clamp bolt to 21.6 1.1 N m (191.2 9.7 lb in).