PLATE 6N4923 - Caterpillar

Table 1
Type of Fluid     Change Interval     Sampling Interval     Sampling Valve    
Engine Oil     250 Hours     250 Hours     Yes (1)    
Transmission Oil     1000 Hours     500 Hours     Yes (1)    
Hydraulic Oil     1000 Hours     500 Hours     Yes (1)    
Differential and Final Drive Oil     1000 Hours     500 Hours     No    
Coolant     6000 Hours     500 Hours     Yes    
( 1 ) Machines may be equipped with optional sampling valvesConsult your Cat dealer for complete information and for assistance in establishing an S O S program for your equipment.Location of Sampling Valves
Illustration 1 g01406442
Sampling valve for the engine oilThe sampling valve for the engine oil is located on the right side of the engine above the engine oil filter.
Illustration 2 g01406443
Sampling valve for the transmission and torque converter oilThe sampling valve for the transmission and torque converter oil is located on the transmission oil filter base.
Illustration 3 g01410849
Sampling valve for the hydraulic system oilThe sampling valve for the hydraulic system oil is located at the rear of the pilot oil filters.
Illustration 4 g00946265
Sampling port for the final drive oil
Illustration 5 g01006917
Sampling port for the front differential oil
Illustration 6 g01305614
Sampling port for the engine coolant
Illustration 7 g01410855
Sampling port for the rear differential oilThe axles are not equipped with sampling valves. Obtaining a sample of the differential and final drive oils will require a vacuum pump or an equivalent. Withdraw the oil through the filler opening on each axle and final drive.More Frequent S O S Sampling Improves Life Cycle Management
The suggested S O S sampling intervals have been at each oil change (