HOUSING GP-AXLE 3912189 - Caterpillar

Rotation is counterclockwise when seen from drive end.Type of pump: Gear.For test, use SAE 10W oil at 45 5°C (113 9°F).(1) Torque for locknut on pump drive gear ... 110 14 N m (80 10 lb.ft.)(2) Clearance between the gear and the cover (new) ... 0.061 to 0.147 mm (.0024 to .0058 in.)(3) Clearance between the gear and the body (new) ... 0.125 to 0.201 mm (.0049 to .0079 in.)(4) Clearance between the gear and the cover (new) ... 0.056 to 0.107 mm (.0022 to .0042 in.)(5) Diameter of drive and driven shafts (new) ... 31.737 to 31.747 mm (1.2495 to 1.2499 in.) Bore in manifold and cover bearings (new) ... 31.778 to 31.794 mm (1.2511 to 1.2517 in.)(6) Clearance between the gear and the cover (new) ... 0.125 to 0.201 mm (.0049 to .0079 in.)(A) Torque converter scavenge section: Output (minimum) ... 40 liter/min (10.6 U.S. gpm) With pump at ... 900 rpmAt a pressure of ... 345 kPa (50 psi)(B) Torque converter charging section: Output (minimum) ... 162 liter/min (42.8 U.S. gpm) With pump at ... 900 rpmAt a pressure of ... 1035 kPa (150 psi)(C) Parking brake release section: Output (minimum) ... 25 liter/min (6.6 U.S. gpm) With pump at ... 900 rpmAt a pressure of ... 4136 kPa (600 psi)(D) Brake cooling section: Output (minimum) ... 165 liter/min (44 U.S. gpm) With pump at ... 900 rpmAt a pressure of ... 70 kPa (10 psi)