How to Take an Oil Sample - Valve Probe Method

1. Before taking the sample, you will need a waste oil bottle to clean the valve. Many technicians skip this step, however if you don’t flush the valve you will get a poor representation of the oil in your sample. You will then need a new sampling probe, and a new bottle that comes with both a solid cap and a cap with two holes.
2. The sampling valves are color-coded: Blue represents hydraulic oil, yellow for engine oil, green for coolant, and purple for transmission fluid. The blue oil valve will be the valve used for sampling the hydraulic oil on this excavator. This valve has a hole in the center in which you will insert the sampling probe in order to take the sample. Beside this valve is an excavator valve with a black cap used to measure pressure.
3. To begin flushing the valve, first remove the dust boot and clean the valve off with a lint-free rag. Then slip the probe-holder over the probe, and stick the probe into the valve and fill your waste-oil sampling bottle to half-full.
4. After taking the sample, this oil can be thrown away. You may reuse the probe and waste oil bottle because it was only used to clean the valve. Be sure to label your bottle as waste-oil, and label another for waste-coolant, as these should never mix.
5. Once your machine is warmed up, you may begin the procedure. To warm a machine up, you must get the engine oil up to temperature while working the implements to warm the hydraulic oil up. If your machine is equipped with a final drive, and in the case of the excavator a swing drive, you need to mix that oil by travel and swinging the machine. They must be mixed before you take your samples.
6. Next, take the new bottle and probe out of the bag and assemble it to take the oil sample. If you are in dusty or dirty conditions, assemble the bottle and probe while it’s still in the bag. To do this, poke your probe through the bag to take your sample without risking contamination. Inside of the bag, there is a solid cap, a cap with two holes, a bottle and a probe. We recommend keeping the solid cap in the bag so it doesn’t get contaminated.
7. Assemble the probe holder onto the probe to protect your fingers, as the probe can get hot when taking your sample. Stick the hose into the cap about 25 millimeters. Assemble the bottle onto the cap and probe assembly. Next, fill your new bottle until it is just above the line on the bottle. The sample must be filled to at least half-full because sometimes the lab needs to run the sample twice. Therefore, it is essential to provide enough oil to run the sample a second time if needed. With the machine properly warmed up and running, you will now take your sample to be sent to the lab for analysis.
8. After taking your sample, remove the cap. Take your solid cap out of the bag and label the cap as “Hydraulic oil.” The probe used to take the sample cannot be used again to prevent contamination of future samples. Wipe your valve off and replace the dust boot onto the valve.
You must be a trained Caterpillar technician to perform these tasks.
Gregory Poole carries the full line of Cat® equipment and allied products to meet your needs. Our full-service facilities throughout eastern North Carolina - Raleigh, Washington, Fayetteville, Mebane, Jacksonville and Wilmington - are staffed by trained professionals to help you with your sales, parts, service and rental needs.
Contact us here: bit.ly/GPooleContactUs
Or by phone: [phone]
Stay up to date with us on our social media:
Facebook: / gregorypooleequipment
Instagram: / gregorypooleeq
LinkedIn: / gregory-poole-equipmen...
Twitter: / gregorypooleeq
Subscribe to our channel for more informative Caterpillar equipment videos!

[@fuuckthis9079]

Very useful for me as a student :)

[@Ariccio123]

I wish passenger cars came with engineering like this!

[@rajasyafruddin6184]

Thanks sir for video 👍

[@Senkino5o]

When I used to work at Komatsu we would always do KOWA while servicing machines or, sometimes while sussing out a fault. - KOWA stands for Komatsu Oil Wear Analysis, same as what you see here, sent in a sealed bag to the lab. I never saw anyone use valves like these, we would always do them straight from the drained oil. I suspect most companies have no interest in taking a common sample and would prefer a sample which sucks up as many contaminants, sediment and sludge as possible - Better to charge the customer.

[@gmax876]

Hmm, this looks way better than the vacuum pump method.

[@vatorob702]

when taking a sample on a running machine, do you have some one in the driver seat?

[@isakcecko8508]

rob cm.... there was a technician guy

[@rajasyafruddin6184]

What name this hose injec for sampel sir

[@hafsuddeennara886]

แปลภาษาไทย

[@hasanalmasri1617]

احكي عربي 😢

[@user-xx9tw4pl7h]

🤣🤣🤣🤣🤣🤣👋👋👋👋 👍👍👍👍👍👍👍👍👍👍👍👍👍👍 وينهم اخواني العرب وينهم سلام عليكم ورحمه الله كيف حالكم اخواني سائقين الحفارات للشتراك بقناتي على اليوتيوب وبارك الله بيكم وجزاكم الله كل خير 😊😊😊😊😊😊😊😊😊😊 kzbin.info/door/K2TFzuACNfC6pGA-JbzMVw

[@rajasyafruddin6184]

Thanks sir for video 👍