950M Z and 962M Z Wheel Loaders Engine Oil and Filter - Change Caterpillar


Engine Oil and Filter - Change
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1.1. Selection of the Oil and Filter Change Interval
2.1. Procedure for Changing the Oil

Selection of the Oil and Filter Change Interval


NOTICE

The engine oil and filter change interval for standard service application is every 1000 hours when the following requirements are met:

  • Utilize Cat Recommended Fluids

  • Utilize Cat Filters

  • Utilize S·O·S Services at recommended interval

When these requirements are not met, the oil and filter change interval should be every 500 hours, or use S·O·S Services oil sampling and analysis program to determine an acceptable oil change interval.

If you select an interval for oil and filter change that is too long, you may damage the engine.



NOTICE

When operating in any of the conditions or environments outlined in this Operation and Maintenance Manual, Severe Service Application, use S·O·S Services oil analysis to determine the best oil and filter change interval.

When S·O·S Services are not used in severe service applications, the oil and filter change interval should be every 250 hours..

If you select an interval for oil and filter change that is too long, you may damage the engine.


Reference: Operation and Maintenance Manual, "Lubricant Viscosities"

Reference: Operation and Maintenance Manual, "Maintenance Interval Schedule"

Reference: Operation and Maintenance Manual, "Severe Service Application"

Reference: Operation and Maintenance Manual, "S·O·S Information"

Use the table below to determine the appropriate oil and filter change interval.

Table 1
Selection of Oil and Filter Change Interval 
  Conditions  Interval 
Cat Recommended Fluids Cat Filters  S·O·S Services 
Standard Service Application  YES  YES  YES  1000 hours 
YES YES  NO  500 hours 
YES NO  YES  500 hours 
NO YES  YES  500 hours 
NO NO  NO  250 hours 
Severe Service Application  NO  NO  NO  250 hours 
YES YES  NO  250 hours 
YES YES  YES  Use S·O·S(1) 
YES NO  YES  Use S·O·S(1) 
NO YES  YES  Use S·O·S(1) 
(1) If operating in any of the conditions or environments outlined in the Severe Service Application, use S·O·S Services oil analysis to determine the best oil change interval.

Procedure for Changing the Oil

------ WARNING! ------

Hot oil and hot components can cause personal injury. Do not allow hot oil or hot components to contact skin.



NOTICE

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.



NOTICE

Do not under fill or overfill engine crankcase with oil. Either condition can cause engine damage.


Refer to the Operation and Maintenance Manual, "Hood Tilt" for the access to the engine.

Park the machine on a level surface and engage the parking brake. Stop the engine.

Note: Drain the crankcase while the oil is warm. Waste particles that are suspended in the oil will drain along with the oil. As the oil cools, the waste particles will settle to the bottom of the crankcase. The particles will not be removed by draining the oil and the particles will recirculate in the engine lubrication system with the new oil.

  1. Open the engine hood to the fully open position.

  2. Remove the left side engine panel.


    Illustration 1g03719183

  3. The drain valve is on the left side of the oil pan. The drain valve can also be accessed from beneath the tractor. Open the oil drain valve and allow the oil to drain into a suitable container. Close the drain valve.


    Illustration 2g06322355
    (1) Oil Fill
    (2) Oil Dipstick
    (3) Oil Filter

  4. Clean the area around engine oil filter (3) before you remove the engine oil filter. Use a strap type wrench to remove the engine oil filter. Inspect the oil filter. Refer to Operation and Maintenance Manual, "Oil Filter - Inspect".

  5. Clean the filter mounting base. Make sure that all of the used gasket has been removed.


    Illustration 3g00101318

  6. Apply a thin coat of oil to the seal on the new engine oil filter. Install a new engine oil filter hand tight until the seal of the engine oil filter contacts the base. Note the position of the index marks on the filter in relation to a fixed point on the filter base.

    Note: There are rotation index marks on the engine oil filter that are spaced 90 degrees or 1/4 or a turn away from each other. When you tighten the engine oil filter, use the rotation index marks as a guide.

  7. Tighten the filter according to the instructions that are printed on the filter. Use the index marks as a guide. For non-Cat filters, use the instructions that are provided with the filter.

    Note: Use a Cat strap wrench to turn the filter to the amount that is required for final installation. Make sure that the installation tool does not damage the filter.

  8. Clean the area around oil filler cap (1) before you remove the oil filler cap. Clean the area around oil level gauge (2) before you remove the oil level gauge. Remove oil filler cap (1) on the left side of the engine. Fill the crankcase with new oil. Refer to the following topics:

    • Operation and Maintenance Manual, "Lubricant Viscosities"

    • Operation and Maintenance Manual, "Capacities (Refill)"

  9. Clean the oil filler cap and install the oil filler cap.

  10. Start the engine and allow the oil to warm. Check for any oil leaks.

  11. Stop the engine.

  12. Check the oil level on dipstick (2). Add any oil as needed.

  13. Reinstall left side engine panel.

  14. Close the hood to the fully closed position.

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