COIL AS 1878191 - Caterpillar

Before installation of this cylinder head on an engine that has water cooled manifolds, the plug at location (A) MUST be removed. If the engine has dry manifolds the plug at location (A) MUST NOT be removed.
(1) Put 5P3931 Anti-Seize Compound on the threads of the bolts and tighten them as follows: a. Tighten all the bolts to ... 30 5 N m (22 4 lb.ft.)b. Tighten bolts 1 through 8 in number sequence to ... 270 35 N m (200 26 lb.ft.)c. Tighten bolts 1 through 8 in number sequence to ... 450 20 N m (330 15 lb.ft.) (2) Depth that two cup plugs are installed in top of cylinder head ... 9.0 0.5 mm (.35 .02 in.) Use 6V1541 Quick Cure Primer and 9S3265 Retaining Compound in the plug bores at assembly.(3) Height of cylinder head (new) ... 142.00 0.15 mm (5.591 .006 in.)(4) Depth below bottom of chamfer that remainder of the cup plugs are installed in cylinder head ... 1.0 0.5 mm (.04 .02 in.) Use 6V1541 Quick Cure Primer and 9S3265 Retaining Compound in the plug bores at assembly.