CUP-BEARING 0021214 - Caterpillar

Table 18
Service Brake System Pressure - Test
Description Spec Actual
Service Brake System Pressure 5688 345 kPa (825 50 psi)
Table 19
Hydraulic Fan Speed - Calibrate
Description Spec Actual
Fan Speed Calibration Speed Minimum Speed
700 50 rpm
Maximum Speed
1500 25 rpm
Table 20
Hydrostatic System - Test and Adjust
Description Spec Actual
Drive Pump Crossover Relief Pressure 46500 1500 kPa (6744 218 psi)
Drive Pump Pressure Override Pressure Test 44000 1500 kPa (6382 218 psi)
Hydraulic Null Pressure Specification 400 kPa (58 psi)
Table 21
Hydrostatic Charge Pressure - Check
Description Spec Actual
Hydrostatic Charge Pressure 3150 350 kPa (457 51 psi)
Table 22
Hydrostatic Charge Accumulator - Test and Charge
Description Spec Actual
Accumulator Precharge Pressure 2150 110 kPa (312 16 psi)
Table 23
Transmission Pressures - Check (Gearbox Pressures)
Description Spec Actual
Hydrostatic Transmission (Gearbox) Pressures Main Relief 2200 140 kPa (319 20 psi)
Clutch 2100 140 kPa (305 20 psi)
Lube 160 110 kPa (23 16 psi)
Table 24
Differential Pinion Preload - Adjust
Description Torque at the Pinion Actual Torque Wrench Reading(1) Actual
Pinion Rolling Torque New Bearings 0.7 to 1.4 N m (6 to 12 lb in) 0.45 to .90 N m (4 to 8 lb in)
Used Bearings 0.35 to 0.7 N m (3 to 6 lb in) 0.23 to 0.45 N m (2 to 4 lb in)
(1) These readings are applicable when you are using a 203 mm (8.0 inch) torque wrench.
Table 25
Axle Housing and Bearing Preload - Adjust
Description Spec Actual
Preload rolling torque New bearings 5.5 3.5 N m (49 31 lb in)
Used bearings 3.25 1.25 N m (29 11 lb in)