GUARD AS 2635747 - Caterpillar

Illustration 1 g01025006
(1) Bolts (3/8 inch) (2) Bolts (3/4 inch) (3) StudsUse the following procedure to tighten the cylinder head bolts:
Apply 6V-4876 Lubricant to all bolt threads.
Tighten bolts 1 through 20 according to the number sequence.Torque ... 270 27 N m (200 20 lb ft)
Tighten bolts 1 through 20 according to the number sequence.Torque ... 390 10 N m (288 7 lb ft)
Tighten bolts 1 through 20 according to the number sequence again.Torque ... 390 10 N m (288 7 lb ft)
Install the rocker arm group.
Tighten bolts 21 through 26 according to the number sequence.Torque ... 270 27 N m (200 20 lb ft)
Tighten bolts 21 through 26 according to the number sequence.Torque ... 390 10 N m (288 7 lb ft)
Tighten bolts 21 through 26 according to the number sequence again.Torque ... 390 10 N m (288 7 lb ft)
Tighten the 3/8 inch bolts (2) .Torque ... 43 7 N m (32 5 lb ft)
Apply 6V-4876 Lubricant to the stud threads.
Tighten studs (3) .Torque ... 35 5 N m (26 4 lb ft)
Illustration 2 g00933785
(4) Dimension New cylinder head thickness ... 125 0.25 mm (4.9213 0.0098 inch)
Illustration 3 g00933794
(5) PlugFor installation, apply 6V-6640 Sealant to the plug's threads. (6) Depth of the plug in the cylinder head ... 2.0 0.5 mm (0.08 0.02 inch) (7) PlugFor installation, apply 6V-6640 Sealant to the plug's threads. (8) Depth of the plug in the cylinder head (six places) ... 4.5 0.5 mm (0.18 0.02 inch) (9) PlugFor installation, apply 6V-6640 Sealant to the plug's threads. (10) Depth of the plug in the cylinder head (six places) ... 2.0 0.5 mm (0.08 0.02 inch)