SUSPENSION GP-SEAT 4245238 - Caterpillar

Oil Filters
Caterpillar oil filters are recommended. The interval for changing the oil filter should be 500 hours.Oil
The 4000 hour interval for changing the oil is for the following oil types.
Caterpillar Hydraulic Oil (HYDO)
CaterpillarTransmission/Drive Train Oil (TDTO)
Caterpillar TDTO (TMS)
Caterpillar Diesel Engine Oil
Caterpillar Biodegradable Hydraulic Oil (HEES)
Caterpillar Multipurpose Tractor Oil (MTO)
Heavy-Duty Diesel Engine Oil with a minimum zinc content of 900 parts per million (ppm) Heavy-duty oils are identified by the following classifications: Cat ECF-1, API CF, API CG-4 and TO-4. Cat ECF-1, API CF, API CG-4 and TO-4 oils must have a minimum zinc additive of 900 parts per million (ppm) in order to be considered acceptable for use in a hydraulic system.Note: Industrial hydraulic oils are not recommended in Caterpillar hydraulic systems. These oils are more likely to cause corrosion and excessive wear.Monitoring the Condition of the Oil
The oil should be monitored during intervals of 500 hours. Caterpillar's standard S O S Fluids Analysis or an equivalent oil sampling program should be used.The current guidelines for cleanliness of the oil should be observed. Refer to "Measured Data".If an oil sampling program is not available, the standard 2000 oil change interval should be used.Measured Data
The following information should be monitored when you sample the oil:
Significant changes in wear metals should be monitored. These metals include iron, copper, chromium, lead, aluminum, and tin.
The following additives should be observed for significant changes: Zinc, calcium, magnesium and phosphorus.
Contaminants should not be present. These contaminants include fuel and antifreeze. Water content should be .5 percent or less.
The silicon level should not exceed 15 parts per million for new oil. The particle counts should be monitored.
The recommended level of cleanliness for Caterpillar machines that are operated in the field is ISO 18/15 or cleaner. The cleanliness should be monitored by particle count analysis. The levels of contamination should not exceed normal levels by more than two ISO codes. Action should be taken in order to determine the cause of the contamination. The system should be returned to the original levels of contamination.
There should not be significant changes in sodium, silicon, copper, and potassium.
The allowable level of oxidation is 40 percent (0.12 Abs units).
The kinematic viscosity at 100 °C (212 °F) should not exceed a 2 cSt change.Procedure for Changing the Hydraulic Oil
Care must be taken to ensure that fluids are contained during performance of inspection, maintenance, testing, adjusting, and repair of the product. Be prepared to collect the fluid with suitable containers before opening any compartment or disassembling any component containing fluids.Refer to Special Publication, NENG2500, "Dealer Service Tool Catalog" for tools and supplies suitable to collect and contain fluids on Cat® products.Dispose of all fluids according to local regulations and mandates.
Operate the machine in order to warm the hydraulic oil.
Park the machine on level ground. Lower the attachment to the ground and apply slight downward pressure. Engage the parking brake and stop the engine.
Illustration 1 g01152499
The hydraulic tank is located on the right side of the machine. Press the button on the breaker relief