EcoVentTM Recirculator Installation Manual SM-337
Contents
1. 4 or 5 for an illustration of a correctly installed EcoVent Recirculator gt gt NOTE In all cases you can substitute a rigid pipe where the instructions call for a heat resistant hose 1 Use the two mounting brackets we have provided to mount the EcoVent on or adjacent to the engine You must mount the EcoVent horizontally and above the engine crankcase oil level 2 Follow the manufacturer s instructions to attach the U tube manometer gauge which we have supplied to the manometer gauge connection on the EcoVent o Nelson EcoVent Recirculator 3 Attach the proper size of heat resistant hose to the EcoVent s inlet connection and secure with a hose clamp 4 Attach the end of the hose used in Step 3 to the engine s crankcase breather vent tube and secure with a hose clamp 5 Attach another length of heat resistant hose to the EcoVent s outlet connection and secure with a hose clamp 6 Install a control valve on the hose used in Step 5 then attach the end of the hose directly to the engine s air intake ducting and secure with a hose clamp You can attach the hose either before or after the engine s air filter The control valve is used to regulate the maximum 0 to 0 3 H O positive pressure reading for the new EcoVent element See figure 7 Do not adjust this valve after you have properly set it to achieve the 0 to 0 3 H O positive pressure reading A CAUTION With the EcoVent s outlet hose connected along with the contr2. normal engine operating speed the U tube manometer gauge does not show a 0 to 0 3 H O positive pressure reading perform the proper adjustment to correct it 1 Ifthe EcoVent s outlet hose is connected near the air inlet flow move the open end of the hose into or out of the flow until the manometer shows the proper reading then secure it with a hose clamp AMI LF UOA Air Cleaner Hood gt Hose gt to EcoVent Outlet Figure 6 Move the outlet hose into or out of the air flow to adjust the pressure 2 Ifthe EcoVent s outlet hose is connected directly to the air intake ducting adjust the control valve on the outlet hose until the manometer shows the proper reading Once the initial proper gauge reading has been established do not adjust the location of the hose or the control valve during the life of the EcoVent element Nelson EcoVent Recirculator Manometer Engine Crankcase Breather Vent Engine Air Gauge to EcoVent Inlet Connection Intake Filter Connection Control Valve 7 GZ EcoVent Outlet Connected Directly to Air Intake Ducting Drain Line Must be Below Oil Level Figure 4 Completed installation showing the oil being returned to the engine If the Engine Uses Natural Gas or Fuels Containing Sulfur or Halogen Chemicals 7 Connecta drain tube to the drain port on the underside of the EcoVent 8 Connecta dra
3. Nelson EcoVent Recirculator teso EcoVent Recirculator Installation Manual SM 337 Nelson EcoVent Recirculator e 7 Maintenance Instructions Whenever the manometer shows a reading of 1 5 H O positive pressure you must replace the EcoVent filter element Nelson EcoVent Recirculator 1 With the engine shut off and cooled remove the EcoVent s cover clamp cover and cover gasket 2 Remove the hex nut element seal plate and element 3 Replace the element with the proper new element Inspect the cover gasket and grommet on the element seal plate and replace if cut damaged or swollen 4 Replace the parts in the same order in which you removed them 5 Start the engine and check the manometer If it is not showing a 0 to 0 3 H O positive pressure reading follow the adjustment instructions on pages 9 and 10 to adjust the air flow Cover Clamp Step 1 Cover N Cover Figure 9 Parts to be removed during maintenance Parts List EcoVent 93196A Hex Nut Element Seal Plate Element Grommet Part Number 93195A 93194A Step 2 93192A Filter Element 88468A 88467A 88365A 88465A Cover Gasket Q58510 Q58510 Q58403 Q58403 Grommet Q58521 Q58521 Q58521 Q58521 Nut Q53714 Q53714 Q01428 Q01428 Nelson EcoVent Recirculator o Use 3 8 I D clear flexible tubing and clamp R Open to j ja er To pro
4. ans of a static absorbent filter there are no moving parts There is also no need for periodic cleaning you only have to change the filter element The EcoVent Recirculator makes it possible to duct clean blowby fumes into the air cleaner for a completely closed system thereby removing 100 of the blowby mists and gases from the atmosphere without danger to the engine This provides for a cleaner healthier and safer environment while reducing engine room maintenance costs JAT i A O a N x oO oo Figure 1 The EcoVent Recirculator attached to an engine A WARNING Read the entire Service Manual before attempting the installation Nelson EcoVent Recirculator Installation You can install the EcoVent Recircualtor in one of two ways with the outlet connected to the engine s air inlet flow before the air filter Option 1 or directly to the engine s air intake ducting Option 2 Please follow the instructions for your specific situation Option 1 Connecting the Outlet to the Air Inlet Flow See Figures 2 or 3 for an illustration of a correctly installed Eco Vent Recirculator I amp S NOTE In all cases you can substitute a rigid pipe where the instructions call for a heat resistant hose 1 Use the two mounting brackets we have provided to mount the EcoVent on or adjacent to the engine You must mount the Eco Vent horizontally an
5. d above the engine crankcase oil level 2 Follow the manufacturer s instructions to attach the U tube manometer gauge which we have supplied to the manometer gauge connection on the EcoVent 3 Attach the proper size of heat resistant hose to the EcoVent s inlet connection and secure with a hose clamp 4 Attach the end of the hose used in Step 3 to the engine s crankcase breather vent tube and secure with a hose clamp 5 Attach another length of heat resistant hose to the EcoVent s outlet connection and secure with a hose clamp 6 Attach the end of the hose used in Step 5 to the engine s air intake filter near the air inlet flow and secure with a hose clamp A CAUTION If you connect the EcoVent s outlet hose to the air inlet flow before the air intake filter position the end of the hose so that the vacuum created by the air flow produces a 0 to 0 3 H O positive pressure reading on the U tube manometer See figure 7 At normal engine operating speed a new EcoVent unit must not have more than 0 3 H O positive pressure o Nelson EcoVent Recirculator Manometer Engine Crankcase Breather Vent Engine Air Gauge to EcoVent Inlet Connection Intake Filter Connection Control Valve E O oto EcoVent Outlet Drain Connected Directly Valve to Air Intake Ducting ZZZ 2s Figure 5 Completed installation showing oil being drained Adjusting the Air Flow If at
6. in valve to the drain tube 9 Place an oil reservoir at the end of the drain tube How often you drain the EcoVent depends upon the amount of oil in the engine crankcase fumes and the condition of the engine 10 Check the adjustment of the EcoVent by starting the engine and running it at normal operating speed The U tube manometer gauge should have a 0 to 0 3 H O positive pressure reading If not adjust the air flow until it does See the Section entitled Adjusting the Air Flow for more information Nelson EcoVent Recirculator If You Are Returning the Oil to the Engine If the engine does not use natural gas or fuels that contain sulfur or halogen chemicals you can return the oil collected directly to the engine oil sump A CAUTION If the engine uses natural gas or fuels that contain sulfur or halogen chemicals do not return the collected oil to the engine If this applies to your installation please turn to the next section for more information 7 Connecta drain tube to the drain port on the underside of the EcoVent 8 Place the other end of the drain tube into the engine oil sump below the oil level line Manometer Engine Crankcase Breather Vent Engine Air Gauge to EcoVent Inlet Connection Intake Filter Connection lolol EcoVent Outlet Connected to Engine Air Inlet Flow Drain Line Must Be Below Oil Level Figure 2 Completed installation showing the oil being ret
7. ol valve directly to the engine air intake ducting simply adjust the control valve so that the vacuum created by the air flow is 0 to 0 3 H O positive pressure reading on the U tube manometer guage See figure 7 At normal operating speed a new EcoVent unit must not have more than 0 3 H O positive pressure If You Are Returning the Oil to the Engine If the engine does not use natural gas or fuels that contain sulfur or halogen chemicals you can return the oil collected directly to the engine oil sump A CAUTION If the engine uses natural gas or fuels that contain sulfur or halogen chemicals do not return the collected oil to the engine Please turn to the next section for information on completing the installation if this applies to your installation 7 Connecta drain tube to the drain port on the underside of the EcoVent 8 Locate the other end of the drain tube into the engine oil sump below the oil level line 9 Check the adjustment of the EcoVent by starting the engine and running it at normal operating speed The U tube manometer gauge should have a 0 to 0 3 H O positive pressure reading If not adjust the air flow until it does See the Section entitled Adjusting the Air Flow for more information
8. perly To Ecovent 8 Gauge read the manometer reads in U tube gauge gauge 64 inches of you must add connection 5 water the readings 4 on both sides 3 of the U tube 2 gauge Gauge Li t Fill the U tube EE reading Example the 4 7 filter element gauge with with new gauge at the mat the red gauge element right shows SAGE oil supplied 2 must not a gauge eta tae Install the 3 exceed 0 reading of 1 5 A gauge in a I 4 to 0 3 inches of a dn vertical plumb 5 inches of water chose a position 6 water at maximum of Adjust the normal I Pea 1 5 inches of U tube to zero Carl engine 1 5 water with both operating i connections speed vented to atmosphere Figure 7 U tube Manometer Gauge Reading Figure 8 U tube Manometer Gauge Reading With New Filter Element At Filter Element Changeout Operating Instructions Once you have installed and adjusted the EcoVent operating instructions are very simple e Monitor the reading on the manometer When it reaches a reading of 1 5 H O positive pressure see figure 8 replace the EcoVent element as shown in the Maintenance Section e Ifyou are not returning the oil to the engine drain the oil from the EcoVent as needed o Nelson EcoVent Recirculator About This Product Nelson s EcoVent Recirculator removes 99 9 of oil mist and airborne particles coming from the engine crankcase breather vent Because the separation of crankcase fumes and oil is accomplished by me
9. urned to the engine 9 Check the adjustment of the EcoVent by starting the engine and running it at normal operating speed The U tube manometer gauge should have a 0 to 0 3 H O positive pressure reading See figure 7 If not adjust the air flow until it does See the Section entitled Adjusting the Air Flow for more information If the Engine Uses Natural Gas or Fuels Containing Sulfur or Halogen Chemicals 7 Connect a drain tube to the drain port on the underside of the EcoVent 8 Connect a drain valve to the drain tube Nelson EcoVent Recirculator 9 Place an oil reservoir at the end of the drain tube How often you drain the EcoVent depends upon the amount of oil in the engine crankcase fumes and the condition of the engine Manometer Engine Crankcase Breather Vent Engine Air Gauge to EcoVent Inlet Connection Intake Filter Connection o EcoVent Outlet n Connected i Drain to Engine Air Valve Inlet Flow mun ON Figure 3 Completed installation showing oil being drained to an oil reservoir 10 Check the adjustment of the EcoVent by starting the engine and running it at normal operating speed The U tube manometer gauge should have a 0 to 0 3 H O positive pressure reading If not adjust the air flow until it does See the Section entitled Adjusting the Air Flow for more information Option 2 Connecting the Outlet Directly to the Air Intake Ducting See Figures
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