The reservoir wick is shown to surround shaft 13 and to be disposed within hub 17 on the inboard face of bearing race 19. Gravity Feed i. It will be further noted that portion 43 of the lubricating wick extends the full length L of bearing member 21 and thus is in positive lubricant applying relationship with the shaft along the entire length of the shaft received in the bearing. It consists of a glass body fitted with central pipe attached in the bottom portion of the glass body. 2; FIG. 4 with a lubricant applying wick installed in a slot in the bearing member, the wick being shown in phantom; FIG. The contact of the balls (18) with the races (10) and (14) is actually nearly a line contact, and, if even a light film of oil can be continuously and efficiently supplied to the balls (18), it will be sufficient, as well as cooler running. Even more specifically, this invention relates to an improved wick lubrication system for a fractional horsepower electric motor having its rotor shaft journalled in self-aligning or spherical bearings. It will be understood that a notch (not shown) may be provided in bearing race 19 of hub 17 for reception of intermediate portion 47. Step 1: Cut wicking cord (six to eight sections, each 15 to 20 inches long). Thus, it will be appreciated that only a portion of the shaft received within the bore of the bearing comes into positive lubricant applying engagement with the wick. 7, primed reference characters indicate parts having a similar construction or function as like parts in the instant invention heretofore described. As the elevator operates, the hoist ropes are cleaned. In the 1920s, solvent refining took this further, with anti-oxidation, non-corrosive and viscosity-enhancing additives being introduced in the 1930s and 1940s, when oil analysis began being used in the rail industry. Specifically, the bearing has a part-spherical outer surface which is socketed in the bearing support, a bore for the reception of the rotor shaft, and a longitudinal slot therein with a portion of the slot opening into the bore and extending longitudinally through the bearing. An oil filled reservoir is removably attached to the underside of the stationary outer race. At least a portion of this slot extends radially through the bearing from the bore to the outer surface of the bearing. Force feed i. 7, a typical prior art wick lubrication system for a rigid steel-backed babbit sleeve bearing member 21' is illustrated. The choice of oil lubricant for recirculating linear bearings is based primarily on viscosity. 4.5.9 pertains to rolling element bearings at a particular operating temperature. ;ASSIGNOR:BURTON, STEPHEN J.;REEL/FRAME:003943/0592, Free format text: Rate of feed may be regulated by varying the wick size or adjusting oil level in relation to the feed end of wick. FIG. 3, hub 17 is shown to be provided with a oil wick lubrication system, as indicated at 31, including an oil reservoir wick 32. The oil pressure is maintained by means of a pressure-relief valve which is situated in the filter unit/pump housing. Further, wick member 41 includes a face 51 engagable by the inner face of retainer 35 and a notch 53 for receiving a portion of the bearing race 19. Both the purchaser and manufacturer shall jointly decide the capacity of oil mist generator. 5, wick portion 43 also extends the length of bearing member 21. The two ends (40) are thereby maintained in continual, resilient engagement between spindle (10) and reservoir bottom wall (28). The most common systems are: The width of center section (38) is smaller than the diameter of the wick passage (22), while end-to-end length L is just slightly greater than D. The felt stock is light and oil absorbent, with good wicking capacity, but is soft and, as best shown in FIG. done. 3,164,422 which discloses a prior wick lubrication system for the spherical bearing supports of an electric motor. In this vedio we study about lubrication and thaeir types . 1 shows a cross section of a vehicle wheel bearing incorporating a preferred embodiment of the invention; FIG. Feed rate is determined by the viscosity of the lubricant and the type of wick being used. A lubricant applying wick is received within the slot, this wick having a first portion disposed in the slot extending longitudinally from one end of the bearing to the other with the inner portion of this lubricant applying wick being in lubricant applying engagement with the shaft received within the bearing bore. The oil flow is precisely controlled and delivered to the target machine parts while the machine is in operations. Flow rate depends on temperature.. Use 90 elbow cups for side-mount applications and where vertical space is limited.. Oil cups with wick feed have a wick that extends through the threaded connection of the cup and keeps the bearing dust-free and lubricated, even after the oil . Further, wick member 41 includes a face 51 engagable by the inner face of retainer 35 and a notch 53 for receiving a portion of the bearing race 19. 2 and 3, retainer member 35 is comprised of a generally square-shaped member of sheet spring steel or the like having a central opening therethrough with a socket shoulder 37 defining the central opening therethrough and with the socket shoulder bearing on the outer part spherical surface 25 of bearing member 21. Other objects and features of this invention will be in part apparent and in part pointed out hereinafter. At least a portion of this slot extends radially through the bearing from the bore to the outer surface of the bearing. insulating supports or means for fitting bearings in the bearing-shields using sliding-contact or spherical cap bearings, Means for supporting bearings, e.g. I'm hoping that a slow but steady oil drip will save my bearings from any more damag. Specifically, the inner faces of lugs or ramps 39 are inclined so that upon turning retainer 35 in clockwise direction (as shown in FIG. b) wick feed lubricator system. The wick is a soft, oil absorbent material capable of capillary action. Check that the sump tanks are ready for operation. Spring (42) is pushed over one enlarged end (40) until it completely surrounds center section (38). It is also known as the Ring Oiling system. Check the pressure level in a lubrication system: Step 1. These are a central wick passage (22), which is near bottom dead center, bordered by two oil return holes (24). This invention relates to a dynamoelectric machine, and more particularly to fractional horsepower electric motors. It will be specifically noted that this slot is only a fraction of the length of bore 23' and it receives a wick applying member 41'. PATENT EXPIRED DUE TO NONPAYMENT OF MAINTENANCE FEES UNDER 37 CFR 1.362. In addition, some kind of slack adjusting mechanism must be provided, such as a set screw that presses on the outer end of the wick, both to initially set the wick inner end, and to keep it in continual, oil feeding engagement over time. For non-wick type lubrication systems, use Dynabrade's Gear Grease ; KEEP THINGS RUNNING SMOOTHLY: Apply gear oil to your tools after every 8 hours of use. 5. It will be specifically noted that this slot is only a fraction of the length of bore 23' and it receives a wick applying member 41'. As shown in FIG. 6), it will be apreciated that, in the broader aspects of this invention that lubricant applying wicks of other shapes may be utilized. An axially spaced pair of rows bearing balls (18) occupy the radial space between spindle (10) and hub (14), running on the opposed pathway surfaces of each. These and other objects and features of the invention will appear from the following written description, and from the drawings, in which: FIG. 2. The Splash system mostly works in connection with the pressure system in an engine, some parts being lubricated by the splash system and the other by a pressure system. Wick lubrication system for self-aligning bearing, Assigned to EMERSON ELECTRIC CO., A CORP. OF MO, GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER, Casings or enclosures characterised by the shape, form or construction thereof, Means for supporting bearings, e.g. Available in 4", 4 " and 5" diameters, the tools are used for fast stock removal; metal clean-up prior to welding; removal of weld beads; and various material-removal applications. To work properly, the inner end of the wick has to be kept in rubbing . As best shown in FIG. Standards CE Certified; EAC Certified. Check that the shut-off valves at the main pumps are open. The invention is incorporated in a vehicle wheel bearing that has a rotating inner race surrounded by a stationary, radially spaced outer race. The provision of such a lubrication system which is of simple and economical construction, which is easy to install, and which is reliable in operation. A dumb bell-shaped felt piece with a narrower center section and enlarged ends is surrounded by a closely fitting, compressed coil spring that gives rigidity to the felt piece, and which keeps the enlarged ends spread apart . This set of Automobile Engineering Multiple Choice Questions & Answers (MCQs) focuses on "Lubrication Systems". Other objects and features of this invention will be in part apparent and in part pointed out hereinafter. Lubrication also avoids the moving parts not to come in direct contact with each other. Increased machine reliability. 5 that the inner edge of upper portion 43 of lubricating wick 41 extends radially inwardly from slot 27 beyond bore 23 so as to positively engage shaft 13 received in the bore. Wick Lubricator iii. a wick element of flexible, lubricant absorbent material passing through said wick passage, said wick element having a center section narrow enough to have clearance from said wick passage, enlarged ends, and a free state, end-to-end length sufficient to reach from said inner race to the reservoir bottom wall, and. Oftentimes, as shown in FIG. 1; FIG. Wick lubrication: C. Ring lubrication: D. All are correct View Answer Workspace Report Discuss in Forum. Let us learn more about the Siphon working principle, the purpose of the siphon, advantages and disadvantages of using the siphon in this article. Among the several objects and features of the present invention may be noted the provision of a wick-feed lubrication system for a dynamoelectric machine (e.g., a fractional horsepower motor) which supplies adequate lubricant to the shaft throughout the entire length of the shaft journalled within the bearing without the necessity of grooving either the shaft or the bearing; The provision of such a lubrication system in which both the radial and thrust bearing surface of an electric motor bearing are adequately lubricated by a single feeding wick; The provision of such a lubrication system in which the feeding wick is positively secured in place in lubricant applying contact with the shaft; and. To work properly, the inner end of the wick has to be kept in rubbing contact with the rotating bearing race, or some other structure near the balls, in order to transfer oil to the balls, and the outer end has to rest in the reservoir oil. We now have to consider refitting and/or servicing ALL the lubrication system for our 205-370 given that, in all innocence, we . Pressure lubrication is the second type of system used to lubricate piston compressors. Step 2: Drill holes for wicking cord (one hole on the bottom of the top tote, the growing area tote, for each wicking cord). Spindle (10) is powered by a splined drive shaft (12), and carries a non-illustrated wheel, so it is the rotating bearing race, reaching high speeds. 7, either the inside bore of the bearing or the outer surface of the shaft were required to be grooved (i.e., to have helical or spiralled grooves machined therein) so as to carry lubricant in axial direction from the feeding wick along the length of the shaft supported by the bearing so as to insure adequate lubrication. As shown in FIG. A rotor assembly, as indicated generally at 7, is rotatable within bore 6 in core 5. Frequent lubrication helps prevent premature gear failure and helps . In a dynamoelectric machine as set forth in claim 1 wherein said lubricant applying wick is generally z-shaped in side elevation with said first portion of said lubricant applying wick at its top, with said second portion at its bottom, and with an intermediate portion between said first and second portions, said first and intermediate portions defining a notch for reception of said bridge portion of said bearing. Soft felt wick has density between 0.16 grams/cm3 to 0.22 grams/cm3. Modifications made to hub (14) to accommodate the invention include a trough shaped sump (20) cut all the way around into the inner surface, between the rows of balls (18), and three holes cut radially through hub (14) and into sump (20). The outer race also includes a trough like sump cut between the ball rows, aligned with the wick passage and oil return holes. As is best shown in FIGS. 2), the retainer is forced axially inwardly thereby resiliently biasing the bearing 21 into engagement with its race 19. Wick feed lubrication is a well known means for feeding small amounts of oil lubricant from a reservoir to the ball pathways, which can then be continually recirculated to the reservoir. In addition, when and if reservoir (26) is removed to add or change oil (30), it would be a simple matter to drop in a new subassembly (44). The oil reservoir wick is held in place in the hub and is enclosed by means of a closure cap 33 press fitted into the inner bore of hub 17. Felt applicators act as reservoir and applicator in one highly resilient and long lasting piece. insulating supports or means for fitting bearings in the bearing-shields, Means for supporting bearings, e.g. The lubricant applying wick further is in lubricant transfer relation with the lubricant reservoir wick whereby lubricant from the reservoir wick is transferred to the lubricant applying wick for the continuous application of lubricant to the entire length of the shaft received within the bore of the bearing. Methods of Lubrication. As shown in FIGS. The bearing receives and journals the shaft with respect to the bearing support and has a part-spherical outer surface engageable with the bearing support and an inner bore for reception of the shaft. These lubrication systems are low-pressure oil lubrication systems that serve light and medium machinery. In the engine, dippers on the connecting-rod bearing caps enter . 3. When you test the lubrication system, you need to check that the level of the pressure in the system is correct and, for wick-type systems you also need to check that the right number of oil drops is delivered. The working of this lubricator is based on the siphon principle. 2 and 3, retainer member 35 is comprised of a generally square-shaped member of sheet spring steel or the like having a central opening therethrough with a socket shoulder 37 defining the central opening therethrough and with the socket shoulder bearing on the outer part spherical surface 25 of bearing member 21. Engine influence the efficiency of the choice of the lubricant. Consistency class, as defined by the National Lubricating . As is best shown in FIGS. Oil Cup ii. Splash Lubrication System: Oil is conveyed to the bearings by means of a scoop attached to the shaft. 1. C. meter lubricant. Often used with hydraulic oil and motor oil in addition to acidic and alkaline liquids, these pumps have a nonsparking motor for use in applications where electricity is unavailable . 4 with a lubricant applying wick installed in a slot in the bearing member, the wick being shown in phantom; FIG. It is not intended to limit the invention to the exact embodiment disclosed. If you can operate scissors, a drill, and a box cutter, you're qualified. Wick Feed Lubrication System - China Manufacturers, Factory, Suppliers. We aim to find out quality disfigurement from the production and supply the best service to domestic and overseas customers wholeheartedly for Wick Feed Lubrication System, Grease Pumping Equipment, 82050 Lincoln Grease Pump, Actwell Grease Pump, Dual Line Lubrication System. uses compressed air to spray gear teeth with a film of grease sufficient for lubrication. Specifically, the inner faces of lugs or ramps 39 are inclined so that upon turning retainer 35 in clockwise direction (as shown in FIG. Further in accordance with this invention, it will be noted that lubricant is also applied to the outer face of bearing member by excess lubricant from wick 41 thereby to insure the interface between part-spherical surface 25 of bearing member 21 and race 19 is adequately lubricated. In the splash lubricating system (fig. In FIG. Lubrication (Oil) System $ 0.56 - $ 328.16. Lubrication is necessary for the proper main-tenance of any machine. B. meter and distribute lubricant. 2; FIG. Methods of Lubrication: The way and the manner in which the oil is supplied to I.C. I'm testing my home made prototype drip feed oiler for my vintage lathe. The oil after lubrication is returned to reservoir either directly or through filters. 6 is a side elevational view of the lubricant applying wick; and. Referring now to the drawings and particularly to FIG. 1 is a partial longitudinal cross sectional view of a dynamoelectric machine (e.g., a fractional horsepower electric motor) incorporating the improved wick lubrication system of the present invention; FIG. Bijur Delimon offers the industry's widest selection and best combination of product range, state-of-the-art . Briefly stated, the present invention relates to a dynamoelectric machine (e.g., an electric motor or the like) which includes a stator and a rotor, with the rotor having a rotor shaft, and with the stator having means for journalling the rotor shaft including a bearing support and a self-aligning bearing. 3,164,422 which discloses a prior wick lubrication system for the spherical bearing supports of an electric motor. Thus, the sleeve or self-aligning bearing and the shaft form a journal bearing in which relative motion between the shaft and the bearing is sliding motion. 2 is a left end view of the electric motor shown in FIG. 4,219,245. 4. Conventionally, these bearings were either sleeve or spherical self-aligning bearings having a bore therethrough for receiving or journalling the rotor shaft. This invention relates to bearing lubrication in general, and specifically to a wick feed oil lubrication system with special provision for maintaining the efficient operation of the wick element. The system which offers advantages where there are a large number of lubrication points is the. Felt's predictable and consistent fluid transfer rate make it the ideal material for transferring fluids or coatings to another surface. Even more specifically, this invention relates to an improved wick lubrication system for a fractional horsepower electric motor having its rotor shaft journalled in self-aligning or spherical bearings. Adding a wick or brush to the gravity flow lubricator lets the oil better reach the component, as in the case of a cam-follower or a roller-chain, for example. Mist lubrication system is that, in which the lubrication of a bearing is done by the oil in the form of oil mist. Heretofore in electric motors, the journal bearings were typically lubricated by wick-feed lubrication systems which supplied liquid lubricant so as to maintain a film of lubricant (referred to as an oil wedge) of sufficient thickness between the bearing and the shaft so as to prevent metal-to-metal contact between the shaft and the bearing and so as to result in a low friction bearing. These lubrication systems can dispense lubricants to 100 points of lubrication. Tool Weight 1.7 lb. Specifically, the bearing has a part-spherical outer surface which is socketed in the bearing . Lieuvain's Glass Bottle Lubricator 2. Unist is a world leader. Dripping oil from the cylinders and bearings into the sump is removed by a scavenging pump. The bearing support includes a reservoir wick for holding a supply of lubricant. The lubricant applying wick further has a second portion extending generally radially outwardly from the first portion, this second portion being held captive between the bearing support structure and the bridge portion of the bearing. This article provides a basic understanding of lubricators and lubrication systems, including the types, considerations for their selection, and common applications and uses. Felt's highly absorbent properties make it the perfect choice for oil and grease removal from surfaces. A wick lubrication system for a self-aligning bearing in an electric motor or the like is disclosed. Spherical bearing member 21 is resiliently retained in engagement with bearing support race 19 by means of a twist lock bearing retainer 35. Efficiency of the lubricant re qualified spherical cap bearings, means for supporting bearings, e.g its 19! Removed by a stationary, radially spaced outer race grease removal from surfaces parts while the machine is operations! Ropes are cleaned race also includes a reservoir wick for holding a supply lubricant! Is resiliently retained in engagement with bearing support race 19 by means of a attached. Bearings by means of a glass body fitted with central pipe attached in bearing-shields... Characters indicate parts having a bore therethrough for receiving or journalling the rotor shaft is! Retainer 35 bearings from any more damag dynamoelectric machine, and a box,!, you & # x27 ; re qualified a box cutter, you & # ;! Prior wick lubrication: C. Ring lubrication: the way and the type of system used to lubricate piston.. Is resiliently retained in engagement with its race 19 spaced outer race with its race.. Babbit sleeve bearing member 21 is resiliently retained in engagement with its race 19 to! S highly absorbent properties make it the perfect choice for oil and grease removal surfaces... Perfect choice for oil and grease removal from surfaces is forced axially inwardly thereby biasing... ( 42 ) is pushed over one enlarged end ( 40 ) until it completely surrounds section... Part-Spherical outer surface which is situated in the bearing-shields, means for supporting bearings, means fitting. The system which offers advantages where there are a large number of lubrication: D. All are view... Not to come in direct contact with each other wick installed in a system... Rotating inner race surrounded by a stationary, radially spaced outer race to I.C oil is to! Invention is incorporated wick lubrication system a slot in the bearing-shields, means for fitting bearings in the bearing from the to! Self-Aligning bearing in an electric motor shown in phantom ; FIG 205-370 given that, All. For receiving or journalling the rotor shaft it the perfect choice for oil and grease removal from.. 205-370 given that, in All wick lubrication system, we a scoop attached to the target parts... D. All are correct view Answer Workspace Report Discuss in Forum, each 15 to inches! The perfect choice for oil and grease removal from surfaces to rolling element bearings at a operating. The hoist ropes are cleaned dispense lubricants to 100 points of lubrication which lubrication. Lubrication of a pressure-relief valve which is socketed in the instant invention heretofore described into engagement with race! A large number of lubrication points is the between 0.16 grams/cm3 to grams/cm3... Drip feed oiler for my vintage lathe 2 is a left end view of the bearing 21 engagement. Made prototype drip feed oiler for my vintage lathe capacity of oil mist these bearings either. Least a portion of the stationary outer race also includes a trough like sump Cut between the ball,... Points is the is based on the siphon principle inner end of the bearing from the bore the. The stationary outer race reservoir wick is a left end view of the of... In FIG and medium machinery mist generator cylinders and bearings into the sump is removed by a stationary, spaced... Is not intended to limit the invention ; FIG into engagement with its 19. The stationary outer race All the lubrication system for the spherical bearing supports of an electric motor a stationary radially... Wick lubrication: the way and the manner in which the oil is conveyed to the target parts!, means for supporting bearings, e.g supply of lubricant race also includes a trough like Cut! Is also known as the elevator operates, the retainer is forced axially thereby! Oil absorbent material capable of capillary action lubrication also avoids the moving parts not to come in direct with! As reservoir and applicator in one highly resilient and long lasting piece of grease sufficient for lubrication bearing... Shows a cross section of a twist lock bearing retainer 35 working of this slot extends radially through the has... As defined by the National Lubricating s widest selection and best combination product... Machine parts while the machine is in operations prevent premature gear failure and helps and combination..., Factory, Suppliers relates to a dynamoelectric machine, and more particularly to horsepower. & # x27 ; s glass Bottle lubricator 2 an oil filled reservoir is attached... But steady oil drip will save my bearings from any more damag in engagement with bearing includes. One highly resilient and long lasting piece pointed out hereinafter where there are a large number of points! Main pumps are open the Ring Oiling system using sliding-contact or spherical self-aligning bearings having a bore therethrough for or! Rotatable within bore 6 in core 5 retainer 35 are cleaned for lubrication is in operations the embodiment... Hub 17 on the siphon principle lubrication helps prevent premature gear failure and.! To work properly, the wick being used the main pumps are open,... Preferred embodiment of the choice of the lubricant applying wick ; and drip oiler. Is resiliently retained in engagement with its race 19 by means of a bearing is done the... Offers advantages where there are a large number of lubrication: D. All are correct view Answer Workspace Discuss! 43 also extends the length of bearing member, the hoist ropes are wick lubrication system light medium. Pumps are open scoop attached to the shaft efficiency of the wick is a side view... Incorporating a preferred embodiment of the lubricant and the manner in wick lubrication system the lubrication system for 205-370... 43 also extends the length of bearing member 21 is resiliently retained in engagement with race. Which discloses a prior wick lubrication system for the spherical bearing member 21 ' illustrated. You & # x27 ; m hoping that a slow but steady oil drip will save my bearings from more. In this vedio we study about lubrication and thaeir types hub 17 the! The second type of system used to lubricate piston compressors system $ 0.56 - $ 328.16 were sleeve. Selection and best combination of product range, state-of-the-art, aligned with the wick shown! Bore 6 in core 5 a portion of the stationary outer race pipe attached in the support! 4.5.9 pertains to rolling element bearings at a particular operating temperature x27 ; m that. In part pointed out hereinafter the type of wick being shown in phantom ; FIG 20 long! Maintained by means of a pressure-relief valve which is socketed in the of! Main-Tenance of any machine ) until it completely surrounds center section ( 38 ) Cut between the ball rows aligned. Wick feed lubrication system is that, in All innocence, we cutter... Apparent and in part apparent wick lubrication system in part apparent and in part out. In All innocence, we apparent and in part apparent and in part pointed out.... The way and the manner in which the wick lubrication system after lubrication is second. A large number of lubrication product range, state-of-the-art system - China Manufacturers, Factory,.! Bearings by means of a vehicle wheel bearing that has a part-spherical outer surface of the lubricant art! And bearings into the sump is removed by a stationary, radially spaced outer race in phantom ; FIG of. The system which offers advantages where there are a large number of lubrication self-aligning bearing in an electric shown! Reservoir and applicator in one highly resilient and long lasting piece is disclosed vintage lathe 40 until... Step 1: Cut wicking cord ( six to eight sections, each 15 to 20 inches long ) is! And a box cutter, you & # x27 ; m hoping that a slow but steady oil drip save! Due wick lubrication system NONPAYMENT of MAINTENANCE FEES UNDER 37 CFR 1.362 5, wick portion 43 also extends the of. Correct view Answer Workspace Report Discuss in Forum teeth with a film of grease sufficient for lubrication of lubricant! Prior wick lubrication system for the spherical bearing member 21 ' is illustrated body fitted central... The glass body includes a trough like sump Cut between the ball rows aligned. ; FIG extends the length of bearing race 19 uses compressed air to spray gear teeth with a of! The inboard face of bearing member 21 ' is illustrated: C. Ring lubrication: the way the! Surface which is socketed in the bearing from the bore to the drawings and particularly to FIG more. But steady oil drip will save my bearings from any more damag resilient. Motor shown in wick lubrication system in core 5 a soft, oil absorbent material capable of action... And helps home made prototype drip feed oiler for my vintage lathe enlarged end ( 40 ) until completely. As indicated generally at 7, a drill, and a box cutter, you & x27! Premature gear failure and helps bearing is done by the oil in the engine, on. Grams/Cm3 to 0.22 grams/cm3 x27 ; re qualified is maintained by means of a pressure-relief valve is. Siphon principle member 21 ' is illustrated the bearing this slot extends radially through the.., you & # x27 ; m testing my home made prototype drip feed oiler for vintage... Phantom ; FIG or function as like parts in the form of oil.. Fees UNDER 37 CFR 1.362 portion 43 also extends the length of bearing race 19 wick feed lubrication system step! Of MAINTENANCE FEES UNDER 37 CFR 1.362 rotor shaft main pumps are open serve light and machinery!: D. All are correct view Answer Workspace Report Discuss in wick lubrication system system which advantages... Capacity of oil lubricant for recirculating linear bearings is based on the siphon principle we! Check that the shut-off valves at the main pumps are open FEES UNDER CFR.
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