Excavator Swing Gear Grease

Lucas Oil 10301 X-Tra Heavy Duty Grease- 145 oz. The swing pinion and ring gear are usually lubricated by applying a heavy grease thereto which tends to leave the meshing teeth of the respective gears during excavator operation.

Durable Komatsu Swing Motor Gearbox Pc200 7 20y 26 00210 20y 26 00211 Excavator Accessories

More than 96 of slewing ring failure could be avoided by following simple maintenance tips.

Excavator swing gear grease. Must also be free of contamination by dirt and water. You can actually feel the vibration on machines with dry swing pinion gears. An excavator comprises an upper unit rotatably mounted on an undercarriage by selectively driving a swing pinion gear against a reaction ring gear secured to the undercarriage.

The swing gear box uses 80-90 gear oil. With years of experience I look forward to doing my best to help. I have a CAT 322 Excavator that has a leaky swing drive box - Leaks gear oil out badly.

Hitachi Excavator- Swing motor gearbox leak. Higher viscosity oils up to 900 cSt at 40C are utilized for slow-speed heavily loaded journal bearings gear drives couplings pivots and guides operating primarily in boundary lubrication regimes. The swing drive will use a heavier oil than the hydralic system.

An enclosure comprising a pan having a cover secured thereon forms an annular chamber containing the swing pinion and ring gear therein. Need to fill at least once a day. Hitachi Genuine Gear Oil 90 has been developed for small to extra large hydraulic excavators of Hitachi.

This is only possible when the case breather is plugged and the oil level dipstick or cap is. Also an EP2 grease is used in the autolube system for the swing bearing. This kind swing gears have been widely used in various other devices including aerial platforms construction vehicles and crawler-transporters.

Pump grease into the bearing until you see old grease squeeze past. All of this oil would be displaced and the oil would have to build pressure in the case. You want the high pressure 80.

Replace with clean grease. Posted 1302013 1253 2861117 Subject. Usually the grease from the factory is pretty stiff and after around 5000 hours it doesnt flow real well into the pinion gear anymore.

If the swing motor seal has failed it can over fill the swing drive and force oil out of the seals. They can bear hydraulic and external load impact. Checked the oil in it and found it low put some gear oil in it and then ran it for a couple of hours.

If the grease is contaminated remove grease and. 1-48 of 505 results for heavy equipment grease Filter results by your vehicle. When used in travel reduction gears and swing reduction gears of hydraulic excavators the oil contributes to.

Welcome to JUST ANSWER heavy equipment. How To Replace Excavator Swing Gear Seal - In this video Our staff is shown tearing down the swing gear of a HALLA HE130LCE Excavator to replace a faulty se. Apply a liberal shot of extreme-pressure grease to the fittings around the bearings circumference at intervals recommended in the operators manual.

Grease must be 13--25 mm 12--1 in B deep. A pair of wedge-like members secured to the cover are disposed on either side. Using a Hitachi EX200-LC2 with around 10000 hrs that I am thinking the seal on the swing motor reduction gearbox went out.

If you apply say 20 shots of grease to a bearing you may overfill the bearing cavity which can force the grease outside of the seals when the equipment heats up. Dont overuse the grease gun on the bearingsGrease guns produce up to 15000 psi per stroke or shot but a bearing lip seal can only handle up to 500 psi. For a 110 cSt base oil at 40C for instance the lighter oil used in blending might be in the 40 to 75 cSt range the heavier at 175 to 200.

What is the proper way to replace seals bearings if needed. Enter a new vehicle to add it to Your Garage and filter the results below. The swing pinion and associated ring gear are generally exposed to dust and other foreign matters associated with the operation of the excavator.

The photo below is a 400-tonne excavator I just finished assembling and the swing pinionring gear tub is filled with Shell Alvania EP2. Remove access cover A to swing gear. Enter a new vehicle Price and other details may vary based on size and color.

Watch his brief video and learn from Jeff Payne Caterpillar Maintenance Expert how to maintain the swing bearing and swing gear on your Cat Hydraulic Exca. If its good enough for a machine that size its good enough for your machine. This series excavator swing gears drive the ring gears on the slewing platform through their output gear shafts.

I used to recommend putting three or four tubes of the NLG2 tubes in spaced around the circle every year. About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy Safety How YouTube works Test new features Press Copyright Contact us Creators. The hydraulic motor uses hytrans oil which is a much thinner oil.

Meeting the strict quality standards of Hitachi the oil prevents gear rusting and corrosion and demonstrates excellent lubricity. Swing Gear and Bearing Maintenance. Measured from the bottom of the ring gear.

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