11/8/2022 0 Comments Scag mower serial number location![]() ![]() Due to the application (limited rotation), the bearing set in the pivot only needs to be greased once a year or every 500 hours (whichever comes first) so the grease fitting was removed and replaced with the plug. The bearing set that is in the pivot is a matched, tapered roller bearing set just like the cutter spindles. Grease fittings were installed in 1997/98 when the Turf Tiger™ was released and the tendency was a lot of over-greasing of the bearing set and popping the caps off. The hole is threaded so a grease fitting can be installed when needed. There is a threaded plug in the casters to prevent over-greasing. #Scag mower serial number location manual#Please reference your operator’s manual for the correct weight and type of oil that should be used in your hydraulic system. We do suggest that they wait until after the initial break-in period before making the switch, if desired. While there is nothing in the drive system that could be damaged from its use, as outlined above, it is certainly not necessary. Occasionally customers inquire about switching the hydro oil in their new Scag to synthetic. This is a less expensive way to manufacture mowers, however, the extra cost of the synthetic oil (synthetic oil is normally four to five times the cost of standard oil) is a burden that you, the customer, will have to pay. ![]() These systems usually have very small oil reservoirs located in an area without sufficient airflow (due to limited space on the mower) and do not use oil coolers or fans. The “requirement” to use synthetic oil in a mower is generally the result of producing a machine with a hydro system that has an operating temperature that can exceed the temperature range of the hydraulic components. Using larger oil tanks, oil coolers and fans (where needed) does add additional cost to the manufacturing process, however, we feel that this extra attention to performance, longevity and value is one of the many reasons people decide to “step up” to a Scag mower. By properly sizing the hydraulic oil reservoir, efficient hose routing, and the use of oil coolers and fans where needed, Scag drive systems have been designed to have normal operating temperatures well within the safe range of the hydraulic components using “standard” oil. The main enemy of any hydraulic system is heat. The dealer will be able to share with you their knowledge and experience to help you make an informed decision. We recommend consulting with your local Scag dealer if you need assistance in deciding between these two types of engines. Because of this, they are less expensive in price and potential repair cost. The major benefit of an air-cooled engine is that they are simpler in design as they have fewer parts involved. However, this is simple to do by using the removable screen that can be removed and tapped clean in the field, with no tools required. Keeping the radiator clean is the biggest factor. There is little extra maintenance involved with a liquid-cooled engine versus an air-cooled one. Liquid-cooled engines are slightly more “forgiving” if the exterior of the engine is not kept clean, unlike air-cooled engines that rely upon heat dissipation for proper cooling. This results in a cooler engine and a cooler operator. A properly designed system keeps the radiator out of harm’s way (debris, branches, etc.) and the cooling fan draws hot air through the radiator, past the engine and away from the operator. Liquid-cooled engines experience increased fuel economy compared to standard air-cooled models due to the more consistent operating engine temperatures. Engine-oil viscosity does not break down as quickly due to the more stable temperature ranges at which liquid-cooled engines run. Generally speaking, it is said that a liquid-cooled engine may last up to 50% longer than comparable air-cooled engines due to a constant, correct operating temperature. ![]()
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