KIT-HYD CYLINDER SEAL 4251297 - Caterpillar

Hot oil and components can cause personal injury.Do not allow hot oil or components to contact skin.
Do not under fill or overfill engine crankcase with oil. Either condition can cause engine damage.
Care must be taken to ensure that fluids are contained during performance of inspection, maintenance, testing, adjusting and repair of the machine. Be prepared to collect the fluid with suitable containers before opening any compartment or disassembling any component containing fluids.Refer to Special Publication, NENG2500, "Caterpillar Tools and Shop Products Guide", for tools and supplies suitable to collect and contain fluids in Caterpillar machines.Dispose of all fluids according to local regulations and mandates.
Park the machine on a hard, level surface. Stop the engine. Allow the oil to cool for five minutes.Note: The engine oil should be warm when you change the engine oil.
Raise the hood.Note: See Operation and Maintenance Manual, "Engine Compartment Hood - Raise/Lower" .
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The engine is equipped with an ecology drain valve. Attach a hose to nipple (1) on the drain valve. The hose prevents splashing oil.
Turn handle (2) counterclockwise in order to drain the engine oil. Drain the engine oil into a suitable container.
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Unscrew engine oil filter (3) from the oil filter base. Remove engine oil filter (3) . Inspect the engine oil filter. See Operation and Maintenance Manual, "Oil Filter - Inspect" .
Wipe the sealing surface. Make sure that you remove all of the oil filter seal.
Apply a thin coat of clean engine oil to the new oil filter seals. Install the new oil filter by hand. When the filter seal contacts the filter base, tighten the filter elements by an additional turn of 270 degrees. Rotation index marks are spaced at 90 degree intervals. Use these rotation index marks as a guide for proper tightening.
Turn handle (2) clockwise in order to close the drain valve.
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Remove oil filler cap (4) .
Add the correct type of engine oil. Add engine oil until the engine oil level is between the "ADD" mark and the "FULL" mark on dipstick (5) .Note: When you operate the machine on severe slopes, the oil level in the engine crankcase must be at the "FULL" mark on the "ENGINE STOPPED" side of the dipstick.
Clean the oil filler cap (4) and install the oil filler cap (4) .
Close the hood.
Start the engine. Run the engine at low idle for five minutes. Check for leaks. After five minutes, check the engine oil level on dipstick (5) . Maintain the engine oil level between the "ADD" mark and the "FULL" mark.