JOURNAL 0773127 - Caterpillar

Typical Shown(1) Torque for bolt with lubricant on threads ... 1125 100 N m (820 75 lb ft)(2) Bore of cylinder (new) ... 82.55 + 0.13 - 0.05 mm (3.250 + .005 - .002 in)(3) Bore of head (new):Earlier ... 47.90 0.05 mm (1.886 .002 in)Later ... 47.90 0.03 mm (1.886 .001 in)Diameter of rod (new) ... 47.575 0.038 mm (1.8730 .0015 in)(4) Torque for head with lubricant on threads:Earlier ... 900 130 N m (660 95 lb ft)Later ... 600 130 N m (440 95 lb ft)Lift Cylinder Drift
Maximum permissible drift of ... 6.0 mm (.24 in)38°C (100°F) oil temperature ... 5 minutes49°C (120°F) ... 3.2 minutes66°C (150°F) ... 1.7 minutes82°C (180°F) ... 1.1 minutes