IMPELLER-PUMP 4320068 - Caterpillar

Illustration 1 g01429899
Typical example
(1) Locating pad
(2) Pipe plug
The pipe plug at location (2) MUST be installed on this engine.
Illustration 2 g01608653Use the following procedure to tighten the cylinder head bolts:Note: Before assembly, coat the threads of the cylinder head bolts with clean engine oil.
Tighten the bolt 1 through bolt 8 in the numerical sequence that is shown in Illustration 2 to 30 5 N m (22 4 lb ft).
Tighten the bolt 1 through bolt 8 in the numerical sequence that is shown in Illustration 2 to 400 35 N m (300 26 lb ft).
Tighten the bolt 1 through bolt 8 in the numerical sequence that is shown in Illustration 2 to 575 20 N m (420 15 lb ft). Note: Tighten the bolts (3) only after the cylinder head bolts have been given final torque. (3) Torque for two bolts ... 55 10 N m (41 7 lb ft)
Illustration 3 g01430598
Typical example
Note: Apply 6V-6640 Sealant to the bores of the cup plugs before assembly. (A) Depth of the cup plugs in the top of the cylinder head ... 9.0 0.5 mm (0.35 0.02 inch) (B) Height of new cylinder head ... 142.00 0.15 mm (5.591 0.006 inch) (C) Depth of the cup plugs in the cylinder head below the bottom of the chamfer ... 1.0 0.5 mm (0.04 0.02 inch)