travel trailer air bag suspension

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Air Bag Suspension: Lift and Level Your Tow Vehicle Or Motorhome

Published on November 29th, 2022 by Bruce Smith (Freelance Writer)

RVers behind the wheel of heavily loaded pickups can benefit from installing air-helper springs

Those who enjoy the RV lifestyle, be it via a 5 th wheel, towing a travel trailer, or heading out in a pickup with a camper in the bed, probably have noticed the extra weight of their home-on-wheels can present some challenges when it comes to maintaining a smooth, comfortable ride. Many find that air bag suspension kits work well for them.

Smaller pickups , cars, and SUVs are designed primarily for commuting. So when you slip a trailer on the receiver hitch or put a heavy load in the bed, the rear springs of the vehicle compress under the added load. 

The heavier the load, the more the rear end drops or squats. The same applies to motorhomes, especially when towing a trailer . Adding an air bag suspension upgrade to the rear of an overloaded vehicle can lift and level its tail-low stance. 

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Air bags compliment weight-distribution hitches.

One distinction we must make here when it comes to towing a travel trailer: Air-helper springs (aka air bags) are not a substitute for using a weight-distribution (WD) hitch. A WD hitch “distributes” the load the trailer’s tongue places on the vehicle’s rear axle more evenly between the front/rear of the vehicle and the trailer. 

A properly adjusted WD hitch enhances steering, braking, and overall handling of the entire tow package. A tow vehicle with the proper WD setup doesn’t need air bags. But air bags used with a WD hitch is a nice setup.

“A weight-distribution hitch alone can provide the same benefits as air bags while towing, but the same is not true for air bags without a weight distribution hitch,” says Equal-i-zer engineers. “Airbags cannot distribute the weight from the rear axle, so a weight distribution hitch is recommended for a safer journey, even with an airbag system.”

If your tow vehicle is already equipped with OEM self-adjusting air bags, read the owner’s manual very carefully on how to use them with a W-D hitch. 

Air Bags Do Not Increase Payload Capacity

Another point is that air-helper springs do not increase the vehicle’s load-carrying capacity. They only raise the vehicle’s rear and do not take any of the load off the rear axle. 

You can easily adjust air bags to stiffen or soften the ride depending on how much you inflate them. You can also install them on a WD-equipped vehicle to fine-tune the ride and handling for smooth towing.

How Air Bags Function

Air-helper-spring kits, like those from AirLift , Hellwig , and Firestone Industrial Products , provide load support through the use of air pressure inside rubber bladders. You can install air bags inside coil springs or between the rear axle and frame . 

Regardless of where air-helper springs are located or how you control the air pressure inside them, they all help lift and level the rear of the vehicle. In doing so they help decrease suspension fatigue, increase vehicle stability and reduce bottoming out, which collectively leads to a safer, smoother ride.

It’s also good to note that the minimum air pressure for air bags is 5psi. This keeps the air bags inflated just enough to keep them “in shape” and limit undo chaffing or rubbing against the coil springs or other suspension/mounting parts.

How Much Does It Cost To Have Air Bags Installed

Installing air-helper springs can be done by a DIYer who is comfortable with working on their own vehicle. The typical cost for a shop install can be anywhere from a couple hundred bucks to $2,000. It all depends on the sophistication of the air bag system.

For example, a complete air-helper spring upgrade, including parts and installation for manually-inflated air bags that go inside a smaller vehicle’s rear coil springs may cost as little as $300. 

At the high end of the price spectrum is a turn-key system on heavy-duty pickups (and motorhomes) that includes the air compressor and state-of-the-art wireless technology to control the air bags’ inflation from inside or outside the vehicle.

Because of the wide range in price, it pays to call both RV repair centers and 4WD/pickup specialty shops to get quotes. Shop labor rates vary considerably, as do markups on the parts. Make sure you are getting prices on apples-to-apples installations using the same brand of air-helper springs and air compressor kits. 

But before you do anything, check out how much your vehicle can haul or tow and what you need to “ properly equip ” it with to do so. If all is within the specs, and you still don’t like the way your vehicle rides and handles, then it may be time to bag it! 

Air Helper Spring Sources

• Air Lift Company   www.airliftcompany.com
• Firestone Industrial Products  www.firestoneip.com
• Hellwig Products   www.hellwigproducts.com
• PacBrake  www.pacbrake.com
• Rough Country    www.roughcountry.com

More Suspenspension Informaiton

Improve Your Suspension For Better Towing 

How Do You Prevent Truck Squat when Towing a Trailer?

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About the author:.

RV and automotive journalist Bruce W. Smith has held numerous editorial titles at automotive and boating magazines, and authored more than 1,000 articles, from tech to trailering. He considers his home state of Oregon a paradise for RVing and outdoor adventure.

1 thought on “Air Bag Suspension: Lift and Level Your Tow Vehicle Or Motorhome”

Another reason for the air bags is when towing with a leveled pickup truck. Many like having a level kit which will raise the front end up and allow for larger tires. Unhitched it works fine and front and rear of truck will be level or close.

When hitching up a trailer, the rear on all will sag. Usually the same amount. Unleveled trucks will also sag but will now be close to level and the WDH will help to get the front end back where it needs to be.

When hitching up a trailer on leveled truck, it causes sag as well. However since the rear end was level with the front end pre hitched, the rear will now be lower than front end even though the sag will equal the same amount of sag as an unleveled truck. And even when WDH is dialed in perfectly, rear end will still be lower than front causing nose high as well as headlights to shine into eyes of oncoming traffic. By having a set of air bags, this situation can be lessened by adding air to the bags.

This is what I do. As was mentioned above and I agree, I’m not overloading my rig or using the bags to increase the load capacity over a safe limit, just using them to correct the height of rear end to tow safely.

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Lift Your Saggy Rear End With Airbag Suspension Mods For RV Trailers & Fifth-Wheels

• Maintenance, Modifications and Repairs
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Does your rear end sag? If so, you might need a lift. An airbag suspension lift that is. Airbag suspension for RV trailers and fifth-wheels will give you a smoother, safer ride and a better looking rear end on your tow truck.

Airbags, also called air “springs.”

Towable RVs are bigger and roomier than ever. You can take just about anything you need on the road and all your toys, but you’ll pay the price. Hitching an extremely heavy load to your tow truck changes the driving experience. The expensive, dangerous results include:

• A misaligned front end
• Excessive, uneven tire wear
• Reduced steering and breaking control

Don’t wait to encounter a hazardous driving condition when you’re towing. If you notice odd wear patterns on your tire and the rear end on your tow truck appears saggy when the RV is hitched up, it’s probably time for a tow truck suspension upgrade . The most popular is an airbag (or “air spring”) suspension mod.

Truckers have known about the benefits of “riding on air” for over 40 years, but the RV industry is just now catching on. In the past, people would add steel springs to the tow truck’s suspension to better distribute load weight. But this resulted in a rough ride when the truck wasn’t towing. Today’s air bag suspension mods are the best way that truckers, RVers, and anyone towing a trailer can enjoy superior leveling capacity and improved ride comfort. Installing air bags is a simple job you can do with few tools and just a few hours of your time.

How to choose and install an air bags kit for your truck and hitch

A kit costs less than $300

Before choosing an airbags kit you’ll need to find out which one works with your tow truck and trailer hitch. For fifth-wheels and gooseneck hitches, you want an under-frame mounted kit. Before buying anything it’s best to talk to your hitch manufacturer and truck dealer to find out which ones work with your particular set-up.

Many airbag kits like the AIR LIFT 57295 LoadLifter 5000 Series Rear Air Spring Kit don’t require tools or special expertise to get the job done. For most kits like this, you’ll only need about $300 and these tools:

• Socket wrenches
• Allen wrench set
• Screwdriver (or nutdriver)
• Drill (optional, depending on location of air fill valve)
• Air compressor

Airbag suspension mods for RV trailers and fifth-wheels require just six simple steps:

• Remove jounce bumpers
• Assemble airbags
• Mount frame brackets
• Attach bags to frame & axle
• Attach heat shield to muffler
• Install air lines & test for leaks

Automatic-leveling systems run about $500.

If your truck doesn’t have high clearance, be sure to put it on jacks. When doing so, be sure to set the jack stands as wide as possible on the axle or use lift points to avoid impeding upon the mounting bracket locations.

Sometimes airbag suspension mods for RV need fine-tuning. For example, if your ride is too rough when your trailer is detached, you might consider adding an automatic self-leveling system to your air brake system.

A kit like the SmartAir Automatic Leveling System by Air Lift uses a magnetic sensor to sense the weight of the trailer on the truck. It automatically inflates and deflates the air bags according to load weight.

Air bag suspension for RV trailers and fifth-wheels are worth the extra investment. You’ll immediately notice a difference in how your truck looks, drives and feels when braking. As a bonus, your passengers will thank you for a smoother ride.

[…] are many ways to address it, like adding a sway bar or weight distributing hitch. You can also install suspension airbags on your truck. If you have a lightweight trailer (under 5,000 pounds) and a heavy tow vehicle, try […]

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Air Bag Suspensions: Frequently Asked Questions

Alex Hodschayan January 9, 2024 Camping , Off-Roading , Outfitters and Builders , Overlanding , RV and Travel Trailer , Towing , Utility Vehicles , Van Life Leave a Comment

Air bag suspensions have gained popularity among vehicle enthusiasts for their adaptable and comfortable ride. In this comprehensive guide, we’ll delve into the fundamentals of air bag suspensions, address a myriad of frequently asked questions, and introduce an alternative that’s generating attention—SumoSprings Rebel and SumoSprings Maxim.

Understanding Air Bag Suspensions

What are air bag suspensions.

Air bag suspensions, also known as air ride suspensions or air springs, replace traditional coil or leaf spring setups with air-filled bags. These bags, made of durable rubber or polyurethane, are inflated or deflated to adjust the vehicle’s ride height and improve overall suspension performance.

Frequently Asked Questions

Q: How do air bag suspensions improve ride quality?

A: Air bag suspensions provide a smoother ride by absorbing shocks and vibrations. The ability to adjust air pressure allows for fine-tuning, enhancing comfort and handling.

Q: Are air bag suspensions suitable for towing and hauling?

A: Yes, air bag suspensions are often used to level the vehicle when towing or carrying heavy loads. They help prevent sagging and maintain optimal alignment.

Q: Do air bags require maintenance?

A: While air bags are generally low-maintenance, they can develop leaks or wear over time. Regular inspections are recommended to ensure proper functionality.

Q: Are air bag suspensions expensive to install?

A: The cost of installing air bag suspensions can vary. Factors such as the vehicle type, brand, and complexity of the system can influence the overall installation cost.

Q: Can air bag suspensions be adjusted for different driving conditions?

A: Yes, air bag suspensions offer adjustable ride height, making it possible to adapt to various driving conditions, from city streets to off-road adventures.

Q: What are the potential downsides of air bag suspensions?

A: Common drawbacks include the potential for air leaks, system complexity, and the need for occasional maintenance.

Q: Are air bag suspensions compatible with all vehicle types?

A: Air bag suspensions are compatible with many vehicle types, but the suitability can depend on the specific make and model.

Q: How do air bag suspensions impact fuel efficiency?

A: While the impact on fuel efficiency is generally minimal, some users report a slight reduction due to the added weight of the system.

Q: Can air bag suspensions be installed on older vehicles?

A: Yes, air bag suspensions can be retrofitted onto older vehicles, providing an upgrade to their suspension system.

Q: What safety considerations are associated with air bag suspensions?

A: Safety considerations include proper installation, routine inspections, and adherence to weight limits to ensure optimal performance.

Q: Do air bag suspensions affect vehicle alignment?

A: When properly installed and adjusted, air bag suspensions should not adversely affect vehicle alignment.

Q: Are air bag suspensions prone to punctures or damage?

A: While durable, air bags can be susceptible to punctures or damage from sharp objects. However, quality systems are designed to resist common sources of damage.

Q: Can air bag suspensions be inflated manually?

A: Some systems offer manual inflation options, providing users with control over the ride height without relying on automatic adjustments.

Q: Do air bag suspensions improve handling during cornering?

A: Yes, air bag suspensions can enhance handling by reducing body roll, providing better stability during cornering.

Q: Are air bag suspensions legal in all regions?

A: Air bag suspensions are generally legal, but specific regulations can vary by region. It’s essential to check local laws before installation.

The SumoSprings Advantage

Introducing sumosprings rebel and sumosprings maxim.

SumoSprings Rebel and SumoSprings Maxim offer a compelling alternative to traditional air bag suspensions. Here’s why:

• Cost Advantage: SumoSprings are often more cost-effective than air bag suspensions, providing budget-conscious consumers with a reliable option.
• Lack of Maintenance: Unlike air bags that may require periodic inspections, SumoSprings are virtually maintenance-free, allowing you to focus on the road, not maintenance schedules.
• Improved Ride Quality: SumoSprings enhance ride quality by reducing body roll and providing progressive load support. The microcellular urethane material ensures a smooth and comfortable ride.

Choosing the Right System for You

While air bag suspensions have their merits, exploring alternatives like SumoSprings Rebel and SumoSprings Maxim can unveil cost savings, reduced maintenance, and an improved driving experience. Whether you’re navigating city streets or tackling off-road adventures, understanding your suspension options empowers you to make informed decisions that suit your driving needs.

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You are here: Home // Install An Air Bag Suspension System For A Smoother, Softer Ride

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Install An Air Bag Suspension System For A Smoother, Softer Ride

Published on January 14th, 2016 by Rene Agredano

Did you know that if you install an air bag suspension system on a fifth wheel tow vehicle you can enjoy a smoother ride and less wear on your truck tires? Installing air bags is a simple job you can do with very few tools and the results are worth the minimal effort it takes.

There’s no drilling (and few tools) required to install an air bag suspension system.

We didn’t know much about air bag springs when we started full-time RVing, but we quickly learned how beneficial they could be after upgrading to a slightly larger fifth wheel. That’s when we noticed the truck bed often looked like it was sagging under the additional load.

We later learned that the new fifth wheel was adding additional weight on the hitch, which caused the rear of the truck to sag and the front to rise, creating an odd wear pattern on the outer edge of the front tires. An alignment specialist told us an air bag suspension system was the key to fixing this problem.

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Which air bags kit is best for my truck and fifth wheel hitch.

The first question we had when researching which air suspension springs are best for our truck was, “ Will air bags fit my Dodge Ram 2500 with a Superglide fifth wheel hitch installed? ”

The short answer is yes. The trick was discovering which air bag system would work best and that’s when we learned that Air Lift is the most popular brand of air springs.

Air Lift makes many different models so it’s best to talk to your hitch manufacturer to find out which ones work with your particular hitch. In our case we discovered that the LoadLifter AIR LIFT 5000 (Model 57295) was specifically designed to work with the Superglide fifth wheel hitch we already own.

How to install air bag suspension on a fifth wheel tow vehicle

We found that the AIR LIFT 57295 LoadLifter 5000 Series Rear Air Spring Kit is exactly what it proclaims to be—a “no drill” kit that can easily be installed within a couple hours. Installing the Air Lift 5000 suspension kit can be done by one person in just a couple hours with only a few tools. You can see how easy it is to install air bags on a fifth wheel tow vehicle on our blog , but in short, here are the simple steps for this DIY job:

• Remove jounce bumpers
• Assemble air bags
• Mount frame brackets
• Attach bags to frame & axle
• Attach heat shield to muffler
• Install air lines & test for leaks

The only tools you will need for this installation include:

• Socket wrenches
• Allen wrench set
• Screwdriver (Or nutdriver)
• Drill (Optional, depending on location of air fill valve)
• Air compressor

NOTE: You may want to jack up your truck if it isn’t a high clearance 4×4 model. If you do jack it up, be sure to set the jack stands as wide as possible on the axle or use lift points to avoid impeding upon the mounting bracket locations.

Can you follow instructions? You can do this job!

We could instantly tell the difference the first time we drove with the LoadLifter 5000 air bags installed on our Dodge tow vehicle. Our truck no longer sags and it handles much better than before. If you tow a fifth wheel RV or travel trailer and want a smoother ride, install air bags to notice the difference and you’ll protect your truck tires from unnecessary wear too.

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The Unique Burial of a Child of Early Scythian Time at the Cemetery of Saryg-Bulun (Tuva)

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Pages:  379-406

In 1988, the Tuvan Archaeological Expedition (led by M. E. Kilunovskaya and V. A. Semenov) discovered a unique burial of the early Iron Age at Saryg-Bulun in Central Tuva. There are two burial mounds of the Aldy-Bel culture dated by 7th century BC. Within the barrows, which adjoined one another, forming a figure-of-eight, there were discovered 7 burials, from which a representative collection of artifacts was recovered. Burial 5 was the most unique, it was found in a coffin made of a larch trunk, with a tightly closed lid. Due to the preservative properties of larch and lack of air access, the coffin contained a well-preserved mummy of a child with an accompanying set of grave goods. The interred individual retained the skin on his face and had a leather headdress painted with red pigment and a coat, sewn from jerboa fur. The coat was belted with a leather belt with bronze ornaments and buckles. Besides that, a leather quiver with arrows with the shafts decorated with painted ornaments, fully preserved battle pick and a bow were buried in the coffin. Unexpectedly, the full-genomic analysis, showed that the individual was female. This fact opens a new aspect in the study of the social history of the Scythian society and perhaps brings us back to the myth of the Amazons, discussed by Herodotus. Of course, this discovery is unique in its preservation for the Scythian culture of Tuva and requires careful study and conservation.

Keywords: Tuva, Early Iron Age, early Scythian period, Aldy-Bel culture, barrow, burial in the coffin, mummy, full genome sequencing, aDNA

Information about authors: Marina Kilunovskaya (Saint Petersburg, Russian Federation). Candidate of Historical Sciences. Institute for the History of Material Culture of the Russian Academy of Sciences. Dvortsovaya Emb., 18, Saint Petersburg, 191186, Russian Federation E-mail: [email protected] Vladimir Semenov (Saint Petersburg, Russian Federation). Candidate of Historical Sciences. Institute for the History of Material Culture of the Russian Academy of Sciences. Dvortsovaya Emb., 18, Saint Petersburg, 191186, Russian Federation E-mail: [email protected] Varvara Busova  (Moscow, Russian Federation).  (Saint Petersburg, Russian Federation). Institute for the History of Material Culture of the Russian Academy of Sciences.  Dvortsovaya Emb., 18, Saint Petersburg, 191186, Russian Federation E-mail:  [email protected] Kharis Mustafin  (Moscow, Russian Federation). Candidate of Technical Sciences. Moscow Institute of Physics and Technology.  Institutsky Lane, 9, Dolgoprudny, 141701, Moscow Oblast, Russian Federation E-mail:  [email protected] Irina Alborova  (Moscow, Russian Federation). Candidate of Biological Sciences. Moscow Institute of Physics and Technology.  Institutsky Lane, 9, Dolgoprudny, 141701, Moscow Oblast, Russian Federation E-mail:  [email protected] Alina Matzvai  (Moscow, Russian Federation). Moscow Institute of Physics and Technology.  Institutsky Lane, 9, Dolgoprudny, 141701, Moscow Oblast, Russian Federation E-mail:  [email protected]

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635th Anti-Aircraft Missile Regiment

635-й зенитно-ракетный полк

Military Unit: 86646

Activated 1953 in Stepanshchino, Moscow Oblast - initially as the 1945th Anti-Aircraft Artillery Regiment for Special Use and from 1955 as the 635th Anti-Aircraft Missile Regiment for Special Use.

1953 to 1984 equipped with 60 S-25 (SA-1) launchers:

• Launch area: 55 15 43N, 38 32 13E (US designation: Moscow SAM site E14-1)
• Support area: 55 16 50N, 38 32 28E
• Guidance area: 55 16 31N, 38 30 38E

1984 converted to the S-300PT (SA-10) with three independent battalions:

• 1st independent Anti-Aircraft Missile Battalion (Bessonovo, Moscow Oblast) - 55 09 34N, 38 22 26E
• 2nd independent Anti-Aircraft Missile Battalion and HQ (Stepanshchino, Moscow Oblast) - 55 15 31N, 38 32 23E
• 3rd independent Anti-Aircraft Missile Battalion (Shcherbovo, Moscow Oblast) - 55 22 32N, 38 43 33E

Disbanded 1.5.98.

Subordination:

• 1st Special Air Defence Corps , 1953 - 1.6.88
• 86th Air Defence Division , 1.6.88 - 1.10.94
• 86th Air Defence Brigade , 1.10.94 - 1.10.95
• 86th Air Defence Division , 1.10.95 - 1.5.98

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Gagarin Cup Preview: Atlant vs. Salavat Yulaev

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Gagarin cup (khl) finals:  atlant moscow oblast vs. salavat yulaev ufa.

Much like the Elitserien Finals, we have a bit of an offense vs. defense match-up in this league Final.  While Ufa let their star top line of Alexander Radulov, Patrick Thoresen and Igor Grigorenko loose on the KHL's Western Conference, Mytischi played a more conservative style, relying on veterans such as former NHLers Jan Bulis, Oleg Petrov, and Jaroslav Obsut.  Just reaching the Finals is a testament to Atlant's disciplined style of play, as they had to knock off much more high profile teams from Yaroslavl and St. Petersburg to do so.  But while they did finish 8th in the league in points, they haven't seen the likes of Ufa, who finished 2nd. 

This series will be a challenge for the underdog, because unlike some of the other KHL teams, Ufa's top players are generally younger and in their prime.  Only Proshkin amongst regular blueliners is over 30, with the work being shared by Kirill Koltsov (28), Andrei Kuteikin (26), Miroslav Blatak (28), Maxim Kondratiev (28) and Dmitri Kalinin (30).  Oleg Tverdovsky hasn't played a lot in the playoffs to date.  Up front, while led by a fairly young top line (24-27), Ufa does have a lot of veterans in support roles:  Vyacheslav Kozlov , Viktor Kozlov , Vladimir Antipov, Sergei Zinovyev and Petr Schastlivy are all over 30.  In fact, the names of all their forwards are familiar to international and NHL fans:  Robert Nilsson , Alexander Svitov, Oleg Saprykin and Jakub Klepis round out the group, all former NHL players.

For Atlant, their veteran roster, with only one of their top six D under the age of 30 (and no top forwards under 30, either), this might be their one shot at a championship.  The team has never won either a Russian Superleague title or the Gagarin Cup, and for players like former NHLer Oleg Petrov, this is probably the last shot at the KHL's top prize.  The team got three extra days rest by winning their Conference Final in six games, and they probably needed to use it.  Atlant does have younger regulars on their roster, but they generally only play a few shifts per game, if that. 

The low event style of game for Atlant probably suits them well, but I don't know how they can manage to keep up against Ufa's speed, skill, and depth.  There is no advantage to be seen in goal, with Erik Ersberg and Konstantin Barulin posting almost identical numbers, and even in terms of recent playoff experience Ufa has them beat.  Luckily for Atlant, Ufa isn't that far away from the Moscow region, so travel shouldn't play a major role. 

I'm predicting that Ufa, winners of the last Superleague title back in 2008, will become the second team to win the Gagarin Cup, and will prevail in five games.  They have a seriously well built team that would honestly compete in the NHL.  They represent the potential of the league, while Atlant represents closer to the reality, as a team full of players who played themselves out of the NHL. 

• Atlant @ Ufa, Friday Apr 8 (3:00 PM CET/10:00 PM EST)
• Atlant @ Ufa, Sunday Apr 10 (1:00 PM CET/8:00 AM EST)
• Ufa @ Atlant, Tuesday Apr 12 (5:30 PM CET/12:30 PM EST)
• Ufa @ Atlant, Thursday Apr 14 (5:30 PM CET/12:30 PM EST)

Games 5-7 are as yet unscheduled, but every second day is the KHL standard, so expect Game 5 to be on Saturday, like an early start. 

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