TRANSMISSION AR 3470183 - Caterpillar

Do not overfill the crankcase. Engine damage can result.
Note: This machine is equipped with a function for checking fluid levels. However, if the machine is on an incline or the engine has been stopped only for a short time, the engine oil does not return to the crankcase. The fluid level cannot be properly checked. Park the machine on level ground and check the oil level after the engine has been stopped for at least 30 minutes.Check the oil level while the engine is stopped. Do not check the oil level while the engine is running.
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Unlatch the engine hood and raise the engine hood.
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Remove the dipstick. Wipe the oil off the dipstick and reinsert the dipstick.
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Remove the dipstick and check the dipstick. The oil level should be between the "H" mark and the "L" mark.
Operating your engine when the oil level is above the "H" mark could cause the crankshaft to dip into the oil. This could lead to excessively high oil temperatures which can reduce the lubricating characteristics of the oil, lead to bearing damage, and could result in loss of engine power.
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Note: Refer to Operation and Maintenance Manual, "General Hazard Information" for information on Containing Fluid Spillage.
Remove the oil filler plug in order to add oil, if necessary. See Operation and Maintenance Manual, "Refill Capacities" .Note: If the oil is deteriorated or badly contaminated, change the oil regardless of the maintenance interval.
Clean the oil filler plug. Install the oil filler plug.
Close the engine hood. Latch the engine hood.