SEAL RING 0801986 - Caterpillar

If the gasket on the oil drain plug is not made of brass or other metal, the gasket should be replaced before installing the oil drain plug.
2. After crankcase oil has drained, install and tighten oil drain plug. 3. Remove oil filler cap and refill engine crankcase with new oil. 4. Remove and discard the old engine oil filter. 5. Lubricate the gasket on the new oil filter.6. Attach the new oil filter and hand tighten. Turn the filter 2/3 of a turn after the gasket has contacted the filter base.Air Cleaner
Clean With Air.
1. Remove the cup assembly and baffle assembly. 2. Remove the wing nut and slide the filter assembly out. 3. Clean the inside of the air cleaner housing with a clean cloth.
Do not clean the filter elements by bumping or tapping them.Inspect the filter elements after cleaning. Do not use a filter element with damaged pleats, gaskets or seals.When cleaning with pressure air, use 205 kPa (30 psi) maximum pressure to prevent filter element damage.
4. Direct air along pleats inside and outside of filter element. Direct air along pleats inside of filter element.5. Inspect the filter element after cleaning.Inspect the Filter Element
6. Insert a light inside a dry and cleaned filter element. Discard any filter element with rips or tears. 7. Place cleaned element in air cleaner and secure with wing nut. 8. Replace the cup assembly and baffle assembly.Battery
Check Electrolyte Level
1. Check level by removing battery fill caps and observing electrolyte level.2. Electrolyte level should reach the bottom of the fill opening. If level is low add distilled water to raise electrolyte level.3. Install battery fill caps.Hydraulic Oil Filter
Change Element.
1. Locate the hydraulic oil filter on the right side of the machine just below the operator's platform. 2. Unscrew old filter element and discard. 3. Wipe filter head clean. 4. Lubricate gasket on new oil filter.5. Attach new oil filter and hand tighten. Turn the filter 2/3 of a turn after the gasket has contacted the filter base.Hydraulic Breather
Check Condition
Pressure air can cause personal injury.When using pressure air for cleaning, wear a protective face shield, protective clothing and protective shoes.The maximum air pressure must be below 205 kPa (30 psi) for cleaning purposes.Use all cleaning solutions with care.Fuel leaked or spilled onto hot surfaces or electrical components can cause a fire.
1. Remove the breather from the tank.2. Wash breather in clean, nonflammable solvent. 3. Using an air line blow air into the breather. Air should blow through the breather.4. If breather is restricted, it must be replaced.5. Install the clean breather in the hydraulic tank.Transmission
Check Level
1. Remove check plug (1) on the left hand side of the transmission. 2. Gear lube should be at this level. If low, remove fill plug (2) located on the right side of the transmission.3. Add gear lube as necessary to bring gear lube to level of check plug (1).4. Install check plug (1) and fill plug (2).Double Pump Drive Assembly
Check Lube Level.
1. Open petcock (1) on the lower