416, 426 & 436 BACKHOE LOADERS HYDRAULIC SYSTEM 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 minutes

49°C (120°F) ... 3.2 minutes

66°C (150°F) ... 1.7 minutes

82°C (180°F) ... 1.1 minutes