COLLAR 5K0986 - Caterpillar

Marine Engines:
3196 (S/N: 2XR1-UP)
3176C (S/N: 6BW1-UP)
Industrial Engines:
3196 (S/N: 1DW1-UP)
3176C (S/N: 2AW1-UP)
Service Manual Module, RENR1231-01, "Specifications", Page 12, "3176C and 3196 Marine Engines" Service Manual Module, SENR1172-00, "Specifications", Page 10, "3176C & 3196 Industrial Engine"In the "Cylinder Head" section, the procedure for tightening the cylinder head bolts has been changed. Refer to the following procedure in order to tighten the cylinder head bolts.
Illustration 1 g00517501
Note: There are currently two types of cylinder head bolts that are being used. The first type is a full shank design that is shown in Illustration 2. The second type is a reduced shank design that is shown in Illustration 3.Note: Lubricate the bolt threads, the underside of the bolt heads, and the washers with 6V-4876 Lubricant prior to assembly.
Illustration 2 g00661561
Cylinder head bolt with full shank design (A) This is a reference dimension for the diameter of the shank of the cylinder head bolt. This bolt has a full shank diameter. ... 15.73 mm (0.619 inch)Use the following procedure in order to tighten the cylinder head bolts with the full shank design:
Tighten bolt (1) through bolt (26) in a numerical sequence.Tighten the bolts to the following torque. ... 150 15 N m (110 11 lb ft)
Tighten bolt (1) through bolt (26) again in a numerical sequence.Tighten the bolts again to the following torque. ... 150 15 N m (110 11 lb ft)
Place an index mark on bolt (1)