All the fluids in your motor vehicle – including the oil– are essential as they help your engine to run smoothly. Frequently checking if your motor vehicle has enough, unworn-out oil helps to keep it running well for a long time. It also improves the performance of your car and prevents your car from breaking down unexpectedly.
There are two oil level indicators that you can use to check air compressor oil. The first indicator is the dipstick, which uses a graduated rod to measure the depth of oil. The second is the sight glass, which, unlike the dipstick method, does not involve pulling out a rod.
Read on to find out how you should check oil using the dipstick and sight glass methods. Also, you’ll learn the importance of checking oil regularly, how to detect the correct oil level, signs of aged oil, as well as how to change it.
How to check oil using the dipstick method?
Before checking oil, you should always make sure that the engine isn’t hot to avoid burning yourself. If your engine was running, give it about ten minutes to cool off.
A cool engine will allow the oil to settle at the bottom of the oil pan. Consequently, you’ll get a more accurate reading. How do you read oil on a dipstick?
Here are a few steps that you should follow when using the dipstick method:
- Make sure that your vehicle is on a flat surface and open the hood. Note that if your car is not on a level surface, you’ll get a wrong oil dipstick reading.
2. Pull out the dipstick smoothly and wipe it off using a clean rag. If you are wondering where the dipstick in your car or motorcycle is, it is connected to the oil tank near the front of the engine.
3. After wiping the dipstick using a clean rag, you’ll see that it has two marks on it. The top mark represents the upper limit, while the bottom one represents the lower limit. The trick is to ensure that your oil level is always in between these two limits.
4. After wiping the dipstick, reinsert it by pushing it all the way down. In case the dipstick gets stuck, remove it and wipe it before inserting it again.
5. Remove the dipstick and check the oil level. If the level is below the bottom mark, then it is time to add more oil. If it is at or slightly below the top mark, then you do not have to add more oil.
Aside from checking the quantity of the oil, you also need to check its quality to determine if it’s time to change it. We’ll discuss more on when to change the oil after exploring the sight glass method.
How to check oil using the sight glass method?
Oil sight glasses usually come in two forms; some have a circular mark at the center while others have do not have any mark. How does a sight glass work?
A sight glass works just like a dipstick, but it is a more convenient way to check your oil levels.
Site glass with a mark
If your quiet air compressor has a sight glass with a circular marking at the center, usually a red circle, the oil level should be between the center of the circle (the lower limit) and the upper edge of the circle (the upper limit).
If the oil is below the center of the circle, then you need to add more.
Sight glass without a mark
When reading a sight glass without a mark, make sure that the oil is between the 2/3 and the 1/3 mark. Some manuals require the oil to be at or above the ½ level. Therefore, make sure that you read the user manual before getting an oil reading on a site glass without a mark.
Signs of aged oil
What does the oil look like when it needs to be changed? If you check the oil and it; seems light, like the color of a cup of tea; is smooth and glossy; is transparent, then you do not need to change it. You can tell that oil is bad if:
- It is opaque or too dark
- It has a bad smell, like rotten cheese
- It looks too thick
- It has grainy particles of dirt or sludgy deposits
- Your car’s tailpipe (exhaust) produces smoke instead of the normal translucent vapor
If you are still not sure that your oil needs changing after performing the dipstick or sight glass test, consider performing a blotter test.
Choosing oil for your car
Oil gradually starts getting dirty and worn out. If the oil does not meet the minimum requirements of your compressor, it’s time to change it.
Since there are dozens of options available on the market, it might be tempting to buy the first oil that you come across or to test out new oil every time you need to change oil.
That said, it is vital to keep in mind that engine oil is rated based on its viscosity at a said temperature. Therefore, not all oil is the best for your bike or car. Most manufacturers specify the best oil for the engine’s running temperature. Make sure that you read the owner’s manual before buying oil.
Troubleshooting common problems
Why is there no oil on dipstick?
If there is no oil on dipstick or sight glass and you have never added or replaced oil in your car or motorcycle, you are putting your engine in danger. Note that oil is the primary engine’s coolant, and without it, the engine will overheat and get damaged. If your dipstick has no oil, refill your oil pan ASAP.
Why are there bubbles in my oil?
Foaming in oil is a common problem that can be caused by water and solids contamination, mechanical issues, contamination with grease, or depleted defoamant. Foam can lead to excessive oxidation, which reduces the lubricating properties of the oil.
Make sure that you visit a mechanic as soon as you notice foam in your oil. To eliminate the bubbles, the oil might need a partial drain and refill, a full drain and refill, or a complete flush, depending on the contaminant.
Checking oil regularly is essential as it helps you to ensure that your engine is well lubricated and properly cooled. It also helps to promote vehicle longevity and decreases fuel consumption. Ensure that you check your oil at least once a month (preferably every week). Do not forget to use the steps and tips discussed in this article when checking your oil.
Interactive science at East End
WILMINGTON — At East End’s recent Science Night, activities gave students opportunities to deepen their learning of science concepts through problem solving, questioning and engagement.
Families were invited to come to East End after school to enjoy a meal and then to rotate through different science stations that were set up in the gym.
The stations were led by high school science students and fifth-grade teachers.
This opportunity was possible because of a grant that East End received from the Wilmington Schools Foundation.
MSU researchers invent significant advancement in Hopkinson bar technology
Contact: James Carskadon
STARKVILLE, Miss.—Mississippi State University researchers have patented and licensed a major advancement in split Hopkinson pressure bar technology, significantly reducing the amount of space needed for intermediate and high-strain rate testing.
While conducting research on infant head trauma, researchers at MSU’s Center for Advanced Vehicular Systems needed a way to conduct impact testing with biological materials. While a traditional Hopkinson bar system, an apparatus commonly used for testing impact and strain on materials, would have worked, it would have taken up hundreds of feet in length—space that was not available at the bustling research center. However, CAVS engineer Wilburn Whittington, with the support of colleagues Haitham El Kadiri and Hongjoo Rhee, was able to prototype a serpentine bar that can accomplish the same task in only 20 feet of space.
Whittington is an assistant professor in MSU’s Department of Mechanical Engineering. El Kadiri is an associate professor in the Department of Mechanical Engineering and holds the Coleman-Whiteside Professorship. Rhee is an associate professor at the same department and is an associate director at CAVS.
“We’ve already used this product in our work for the military, national labs, and automotive companies,” said Whittington. “This has tremendous potential for universities and laboratories, as well as any company making materials or looking at crash testing and other tests like that.”
After the research team patented the new technology, it gained interest from the scientific community and REL, a Michigan-based manufacturer that makes and sells Hopkinson bar systems. Working with MSU’s Office of Technology Management, El Kadiri, Rhee and Whittington were able to license the serpentine bar technology to REL, which began marketing the product this week at The Minerals, Metals & Materials Society annual conference in San Diego, California.
Whittington said the serpentine bar can be used as a new product and also used to enhance old products, making shorter Hopkinson bar systems capable of conducting tests that previously required significantly more space. He noted that in labs that conduct high-speed tests with radioactive materials, these materials must be handled in specialized rooms, which puts space at a premium.
“People test things like explosives and armor on these systems,” Whittington said. “Like with biological materials, these labs have to be specialized, so a serpentine bar gives them more testing abilities.”
El Kadiri, Rhee, and Whittington were able to commercialize their invention through a Mississippi University Research Agreement, which allowed them to form a private company to market the technology, Standard Dynamics, LLC. In addition to showcasing the technology in San Diego this week, MSU and REL personnel will highlight the serpentine bar at the Society of Experimental Mechanics annual conference this summer in Orlando, Florida.
For more on CAVS, visit www.cavs.msstate.edu.
For more on the Office of Technology Management, visit www.otm.msstate.edu.
MSU is Mississippi’s leading university, available online at www.msstate.edu.
Coronavirus Live Updates: Iran’s Deputy Health Minister Tests Positive
The health official leading Iran’s coronavirus task force has tested positive.
Iran’s deputy health minister, Iraj Harirchi, who has spearheaded the country’s efforts to contain the coronavirus, has contracted the illness, the Health Ministry said on Tuesday, renewing concerns about the spread of the virus in the country.
In an interview with the state-run news outlet IRNA, a spokesman for the ministry said that Mr. Harirchi had been experiencing weakness and flulike symptoms on Monday before holding a news briefing, and tested positive for the virus later in the day. It is unclear how he contracted the virus, but health officials said he had been dealing with some patients suspected of having the coronavirus.
During the briefing, Mr. Harirchi could be seen repeatedly wiping sweat from his brow and shifting uncomfortably from foot to foot. On Tuesday, he posted a video from home detailing his diagnosis and self-quarantine.
The number of coronavirus cases and deaths continued to rise in Iran on Tuesday, according to health officials, days after the country emerged as another focal point of the outbreak.
Health officials quoted in Iranian state news media confirmed three more deaths in the country, bringing the total to 15. At least 95 people nationwide have tested positive for the coronavirus, most of them in the northern city of Qom, health officials said.
With an economy choked by economic sanctions, a restive population that distrusts its government and a secretive leadership, Iran is something of a wild card in the region.
While the numbers of the infected do not look too daunting so far, experts fear that the government may be concealing the true scale of the problem, and may not have the capacity to respond effectively if things begin to spiral out of control.
A large hotel in Tenerife, Spain, is on lockdown.
A hotel on the Spanish resort island of Tenerife was placed under a police cordon on Tuesday after an Italian guest tested positive for the new coronavirus, the authorities said.
According to local news reports, around 1,000 guests are booked at the hotel, the H10 Costa Adeje Palace, at a resort that is popular with British tourists. It remained unclear whether an official quarantine was in place.
Officials at the Canary Emergency Services Department are working to determine the severity of the outbreak in the building. In recent cases, including the quarantine of the Diamond Princess cruise ship, the authorities demanded quarantine periods of at least 14 days.
Tenerife is the largest of the Canary Islands, a Spanish territory off the coast of West Africa.
The Italian patient is being kept in isolation at a hospital on the island, pending the results of a second test to be conducted in Madrid by Spain’s National Center of Microbiology.
The hotel guests have been told to remain in their rooms, according to Antena 3, a Spanish television channel, while health inspectors are checking people inside who could have come into contact with the Italian.
Guests were given a note by the hotel management asking them to stay in their rooms and telling them that for health reasons, the hotel had been temporarily closed.
Police enlarged the security cordon around the hotel to block access to nearby streets and a parking lot on Tuesday morning.
According to the local news media, the man who tested positive is a doctor who was visiting from Lombardy, a region of Italy that has been hit particularly hard by the virus. He reportedly took himself to a hospital with a fever about a week after arriving in Tenerife.
Spain previously confirmed two cases of the virus, both foreigners who were hospitalized on Spanish islands: a German citizen on La Gomera and a Briton on Majorca.
In Italy, anxiety rises as new cases mount.
The authorities in Italy, the center of the worst outbreak of the coronavirus outside Asia, reported new infections on Tuesday, with a total of 283 cases, up from 229 a day earlier, and reports of new cases in Tuscany and Sicily.
The Italian outbreak has prompted fears that the virus could spread rapidly across the Continent, where the Schengen zone allows largely free movement between countries. That concern increased after Angelo Borrelli, the head of Civil Protection, confirmed that two cases had been identified outside the “red area” in the northern region of Lombardy that has become the epicenter of the outbreak.
The government deployed the Italian Army to the red area on Tuesday, Michele Capone, a carabinieri official in the area, told the Italian news agency ANSA, adding that checkpoints had been installed inside the locked-down areas of those towns.
Southern mainland regions such as Puglia and Calabria have asked travelers coming from northern regions affected by the coronavirus to inform the local authorities.
Prime Minister Giuseppe Conte of Italy has sought to cut off attempts to wall off the north. Autonomous decisions by local authorities in southern areas were “not justified,” he told reporters late Monday evening.
Calling the coronavirus “a plague,” an Iraqi lawmaker demanded on Tuesday that the government seal its borders with Iran “until the disease is completely controlled,” the same day that Iraq’s Health Ministry announced four more cases of the virus.
The demand, by Qutayba al-Jubori, chairman of the Iraqi Parliament’s Health and Environment Committee, came as governments across the region sought to limit the entry of Iranian travelers following an outbreak in that country that has killed at least 15 people.
The Iraqi government said it would suspend all flights from Iran beginning Monday afternoon, but by Tuesday morning, flights were still scheduled to and from Najaf, a central Iraqi city that is home to Shiite shrines popular with Iranian pilgrims.
Iraq reported its first case of the virus on Monday, a 22-year old religion student in Najaf, who has been quarantined at a location outside the city. On Tuesday, the Health Ministry confirmed that a family of four from Kirkuk who had just returned from Iran had contracted the coronavirus and were being quarantined.
The government told citizens to avoid crowded places including shrines, universities and schools, shopping malls and stores, sports activities and entertainment parks. They also recommended avoiding kissing or shaking hands with others and urged people to use disposable napkins.
“I had called for million man protests and sit-ins against sectarian power-sharing and today I forbid you from them for your health and life, for they are more important to me than anything else,” he said in a statement.
Other nations in the region issued travel restrictions on Tuesday. The United Arab Emirates, home to Dubai International Airport, one of the world’s busiest, has suspended all flights to Iran.
Bahrain, which confirmed two cases in travelers who had flown from Iran via Dubai, said that it had suspended all its flights from Dubai International Airport and from Sharjah International Airport, also in the United Arab Emirates, for two days.
Stocks stabilize one day after an outbreak-fueled slump.
Global stocks stabilized on Tuesday, a day after fears of the spread of the new coronavirus outside China spooked investors into a worldwide sell-off.
Shares fell in most markets in Asia, led by Japan, which had closed for a holiday on Monday and missed that day’s drop. The Nikkei 225 index dropped more than 3.3 percent. Most other Asian markets fell at a much slower pace.
But shares in Europe opened higher, suggesting investors’ nerves had steadied. Futures trading indicated that American markets would rise when they opened on Tuesday.
The signs of stabilization followed a difficult Monday, when investors began to more fully comprehend the extent of the outbreak. On Wall Street, the S&P 500 index fell 3.4 percent on Monday, its worst single-day performance since February 2018. European markets recorded their worst session since 2016.
In China, the Shanghai stock market fell 0.6 percent, while the market in the city of Shenzhen rose by about half a percent. The Hong Kong market was little changed.
In South Korea, shaken by the world’s second-largest outbreak of the virus outside China, share prices rebounded on Tuesday morning after enduring one of the sharpest drops of any large market around the world the day before. They ended up 1.2 percent.
In Europe, London’s FTSE 100 was up 0.3 percent early, while German’s DAX rose 0.1 percent.
As infections slow in China, they increase elsewhere around the world.
China appears to be getting the new coronavirus under control, but infections are spreading rapidly in South Korea, Iran and Italy. And the world is not prepared for a major outbreak, World Health Organization officials said on Monday.
A W.H.O. mission to China has said that the daily tally of new cases there peaked and then plateaued between Jan. 23 and Feb. 2, and has steadily declined since.
Chinese officials reported 508 new cases and 71 deaths as of Monday, a slower pace than in previous days.
By Tuesday, South Korea had reported a total of 893 cases, the second most in the world. Of the 60 new cases reported by South Korea’s Centers for Disease Control and Prevention, 49 came from Daegu, the center of the outbreak in that country.
In Iran, a spike in coronavirus infections has prompted fears of a contagion throughout the Middle East. In Italy, one of Europe’s largest economies, officials are struggling to prevent the epidemic from paralyzing the commercial center of Milan. And in New York, London, and Tokyo, financial markets plummeted on fears that the virus will cripple the global economy.
The emergence of Italy, Iran, and South Korea as new hubs of the outbreak underscored the lack of a coordinated global strategy to combat the coronavirus, which has infected nearly 80,000 people in 37 countries, causing at least 2,600 deaths.
C.D.C. warns Americans against traveling to South Korea.
American citizens were advised on Monday to avoid nonessential travel to South Korea because of the rapid spread of the coronavirus there. The U.S. Centers for Disease Control and Prevention has raised the travel warning to Level Three, its highest warning.
“There is a widespread, ongoing outbreak of respiratory illness caused by a novel (new) coronavirus that can be spread from person to person,” the C.D.C. said in an advisory. “Older adults and people with chronic medical conditions may be at risk of severe disease.”
The C.D.C. also warned that “there is limited access to adequate medical care in affected areas.”
The warning came as South Korea reported Tuesday that the number of cases in the country had risen by 60 to 893 overall. The majority of the cases have been centered in the area in and around Daegu, South Korea’s fourth-largest city, 180 miles southeast of Seoul. And roughly half the patients in the country are members of the Shincheonji religious group, a church that has a large following in the city.
President Moon Jae-in on Sunday put the country on the highest possible alert in its fight against the coronavirus.
White House asks Congress for $2.5 billion to fight the outbreak.
The Trump administration, after weeks of pleading from lawmakers, asked Congress on Monday to allocate at least $2.5 billion in emergency funds to bolster its coronavirus response, according to three White House officials and a request letter obtained by The New York Times.
The request from the White House, $1.25 billion in new funds and $1.25 billion in money diverted from other federal programs, is a significant escalation in the administration’s response to the outbreak of the virus and a sign of how long the fight to stop it may be.
The letter, which was signed by Russell T. Vought, the acting director of the Office of Management and Budget, said the funds would be spent on emergency medical supplies, lab testing, the development of vaccines and other forms of monitoring, among other features.
Representative Nita M. Lowey of New York, the chairwoman of the House Appropriations Committee, called the request “woefully insufficient to protect Americans from the deadly coronavirus outbreak.”
“It is profoundly disturbing that their answer now is to raid money Congress has designated for other critical public health priorities,” she said in a statement. “Worse still, their overall request still falls short of what is needed for an effective, comprehensive governmentwide response.”
Deaths at a Wuhan nursing home are going unreported, says Chinese newsmagazine.
At least one and as many as 19 people have died from causes that could be linked to the coronavirus at a nursing home located steps from the likely source of the outbreak in Wuhan, China, the Chinese news outlet Caixin reported.
The nursing home, known as the Wuhan Social Welfare Institute, is near the seafood market that was identified the center of the outbreak. A spokesman told The New York Times it could not comment without approval from the civil affairs bureau.
In an indication that the authorities have acknowledged the risks posed to nursing homes, the civil affairs bureau has said every facility in the city will now be put under strict management, and that nucleic acid tests would be conducted for employees by Feb. 28.
The aged are particularly vulnerable to the coronavirus, with many of the reported deaths occurring among people over 60 years old who had underlying health conditions. Five people at the nursing home are said to have died in December and January, and another 14 in February, according to Caixin. Lung infections and heart attacks were listed among the causes of the deaths.
A nurse cited by Caixin said the infirmary attached to the home lacked testing capabilities for the virus. The municipal Civil Affairs Bureau in Wuhan said in a notice dated Thursday that 11 residents and an employee at the home have been infected and that one had died.
Many more deaths are going unreported, according to Caixin.
A judge prevented California from moving some patients.
In a decision that could complicate California’s efforts to deal with the coronavirus crisis, a federal judge on Monday kept a temporary restraining order in place that would prevent infected patients on a military base from being moved to a state-owned facility in the city of Costa Mesa.
The judge said she would reconsider the issue after state and federal authorities provide more details about how they plan to protect the health of the community, as well as the people with coronavirus. “The state has shown great empathy for the patients,” Judge Josephine L. Staton said in a ruling that drew applause, adding that she wanted to see “the same empathy for the residents of Costa Mesa.”
Costa Mesa had asked the judge to prevent California from moving people infected with the new coronavirus into a former residential home for developmentally disabled people, where the patients would remain in isolation while recovering. The area, which is in Orange County, is too heavily populated to host people infected with such a dangerous virus, the local officials argued.
Federal officials had planned to move the patients to a facility in Alabama operated by the Federal Emergency Management Agency, court documents said, but officials in California thought that moving the group out of the state would be detrimental to their health and well-being.
The standoff over where to send the patients underscored the unwieldy, decentralized nature of the U.S. health system, even as federal authorities were warning of serious risks from the coronavirus outbreak.
China makes it easier for businesses to reopen, but cracks down on price gouging.
Beijing officials announced on Tuesday that they had ordered local governments to streamline the many new requirements they have imposed before companies can reopen after weeks of stalled production as a result of the outbreak
Worried that further infections might be blamed on them, local officials all over China have been demanding that companies pass extensive reviews and even on-site inspections before they can restart production. Rules include making sure that companies provide employees with face masks, keep track of employees’ temperatures and set up hand-washing stations.
Manufacturers of medical protection equipment can bypass the new rules almost entirely, so as to produce more face masks and other gear as quickly as possible.
But while Beijing is trying to restart the private sector, it does not want companies to mark up prices steeply for scarce products. Tang Jun, the deputy director of the State Administration of Market Regulation, said at a news briefing on Tuesday morning in Beijing that the Chinese government had investigated 4,500 companies for price gouging and was filing more than 11,000 legal cases.
The cases involved, “medical protective supplies and important commodities related to the people’s livelihood,” he said. More than 36,000 online vendors have already been identified as trying to overcharge specifically for face masks, he added, and electronic commerce companies have removed their overpriced listings.
Reporting and research was contributed by Raphael Minder, Matt Phillips, Russell Goldman, Megan Specia, Keith Bradsher, Gerry Mullany, Aimee Ortiz, Alissa Rubin, Elaine Yu, Mark Landler, Steven Lee Myers, Sui-Lee Wee, Farah Stockman, Louis Keene, Noah Weiland, Emily Cochrane and Maggie Haberman.
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