COVER 2727191 - Caterpillar

Illustration 1 g00901187Rotation of the pump is counterclockwise when the pump is viewed from the drive end.Type of pump: GearLubricate the pump with oil before you operate the pump.Bench test requirements: SAE 10W oil must be stabilized at 52° 3°C (125° 5°F) before the test is performed. (A) Torque converter scavenge section Minimum output ... 40 L/min (10.6 US gpm)Test pressure ... 345 kPa (50 psi)Test speed of pump ... 900 rpm (B) Torque converter charging section Minimum output ... 197 L/min (52.0 US gpm)Test pressure ... 1035 kPa (150 psi)Test speed of pump ... 900 rpm (C) Parking brake release section Minimum output ... 25 L/min (6.6 US gpm)Test pressure ... 4136 kPa (600 psi)Test speed of pump ... 900 rpm (D) Brake cooling section Minimum output ... 115 L/min (30 US gpm)Test pressure ... 345 kPa (50 psi)Test speed of pump ... 900 rpm (1) Torque for the locknut on the pump drive gear ... 110 13 N m (81 10 lb ft) (2) Clearance between a new gear and a new cover ... 0.104 0.043 mm (0.0041 0.0017 inch) (3) Clearance between a new gear and a new body ... 0.163 0.038 mm (0.0064 0.0015 inch) (4) Clearance between a new gear and a new body ... 0.0815 0.0255 mm (0.0032 0.0010 inch) (5) Dimensions of new shafts and of new pump bodies Diameter of the drive shafts and diameter of the driven shafts ... 31.742 0.005 mm (1.2497 0.0002 inch)Diameter of the bores in the pump body ... 31.786 0.008 mm (1.2514 0.0003 inch) (6) Clearance between a new gear and a new cover ... 0.125 0.038 mm (0.0049 0.0015 inch)
Illustration 2 g00901302
Section A-A
(E) Position of the bearing joint ... 30° 15° from the centerline (F) Depth of the bearing ... 0.062 mm (0.0024 inch)
Illustration 3 g00901316
Section B-B
(G) Position of the dowel ... 5.0 0.5 mm (0.197 0.0197 inch)
Illustration 4 g00901319
Section C-C
(E) Position of the bearing joint ... 30° 15° from the centerline (H) Position of the damper ... 7.5 0.5 mm (0.295 0.0197 inch) (J) Position of the damper ... 1.5 0.5 mm (0.059 0.0197 inch) (K) Position of the bearing ... 1.5 0.25 mm (0.059 0.0098 inch)
Illustration 5 g00901323
Section D-D
(L) Position of the dowel ... 0.19 mm (0.008 inch)
Illustration 6 g00909198
Section E-E
(E) Position of the bearing joint ... 30° 15° from the centerline (M) Position of the bearing ... 1.5 0.5 mm (0.059 0.0197 inch)
Illustration 7 g00909199
Section F-F
(E) Position of the bearing joint ... 30° 15° from the centerline (N) Position of the bearing ... 1.5 0.5 mm (0.059 0.0197 inch)
Illustration 8 g00909200
Section G-G
(E) Position of the bearing joint ... 30° 15° from the centerline (P) Position of the bearing ... 1.5 0.25 mm (0.059 0.0098 inch)