CYLINDER GP-HYDRAULIC 2963238 - Caterpillar

You must read and understand the warnings and instructions contained in the Safety section of this manual before performing any operation or maintenance procedures.Scheduled Oil Sampling (S O S) Analysis
For 3304B Naturally Aspirated engines, this maintenance should be performed at the Every 11,250 L (3,000 gal) of Fuel or 500 Hour interval.To compliment a good preventive maintenance program, Caterpillar recommends using S O S analysis at regular scheduled intervals to monitor the condition of the engine oil and maintenance requirements of your engine.Obtain Sample
Each oil sample should be taken when the oil is warm and well mixed to ensure that the sample is representative of the oil in the crankcase. There are two methods recommended to obtain S O S samples from the engine crankcase.
Typical oil sampling valve* Use the sampling valve (if equipped).* Use a sampling gun inserted into the sump. Refer to How to Take a Good Oil Sample, PEHP6001 for a step-by-step explanation if using this method of sampling crankcase oil.Caterpillar recommends using one of the above methods. If either of these methods are not possible, then use a drain stream method when changing oil. When using the drain stream to obtain the oil sample, do not sample from the beginning or end of drain stream. The oil at the beginning or end of the drain stream is not mixed well enough to be representative of the oil in the crankcase.Consult with your Caterpillar dealer for complete information and assistance in establishing an S O S program for your engine.Engine Crankcase
For 3304B Naturally Aspirated engines, this maintenance should be performed at the Every 11,250 L (3,000 gal) of Fuel or 500 Hour interval.Replace Oil and Filter(s)
Do not drain oil when the engine is cold. As oil cools, suspended waste particles settle on the bottom of the crankcase or oil pan. The waste particles are not removed with the draining cold oil. Drain the crankcase with the engine stopped and the oil warm. This allows for the draining of the waste particles that are suspended in the oil.Failure to follow this recommended procedure would result in these waste particles being recirculated through your engine lubrication system with the new oil.Drain Oil
Oil filler cap (1), oil level gauge (dipstick) (2), oil filter (3), and oil drain valve (4).1. After the engine has been run at normal operating water temperature, STOP the engine. If equipped with a drain valve, turn the valve knob counterclockwise (CCW) to drain the oil. If not equipped with a drain valve, remove the crankcase oil drain plug(s) and allow the oil to drain.2. If equipped with a drain line valve, turn the valve knob clockwise (CW) to shut the drain. Install the oil drain plug(s). Tighten the plug(s) to 70 14 N m (50 10 lb ft).Replace Filter
1. Use a 2P-8250 Filter Wrench to remove the oil filter (2) and optional bypass oil filter, if equipped.
Element with debris.2. Use a 4C-5084 Oil Filter Cutter to cut the oil filter open.