Instruction Manual
Recommended Flow Rate: (For Optimum Element Life & Separation Efficiency) Model 65 & 75 Series.........................20 GPH (U.S.) (75.7 LPH) Maximum Flow Rate: Model 65 & 75 Series .......................30 GPH (U.S.) (113.5 LPH) Flow Resistance:.....................................................0.75 In. Mercury Maximum Working Pressure: ...............................25 PSI (172 kPa) Temperature Range: ......................-50° to +225°F (-45° to +107°C) Port Thread: Single Units.............................................9/16-18 w/O-Ring Boss Overall Height: Model 65.......................................................6 3/8 In. (161.9 mm) Model 75.......................................................6 1/8 In. (155.6 mm) Width: ..............................................................4 3/16 In. (106.4 mm) Depth: ................................................................4 3/4 In. (120.6 mm) Dry Weight: ................................................................5 lbs. (2.27 kg) Element Removal Clearance: ............................3 1/2 In. (88.9 mm) Sump Capacity:...........................................................4 oz. (118 ml) Seal Material:.........................................................................Buna N Element Number:.........................................................66 (2 Micron) ...........................................................................66-W (10 Micron) ..........................................................................66-30 (30 Micron) Element Material:................................Resin Impregnated Cellulose A. FILTER MOUNTED ABOVE FUEL STORAGE TANK ___________________________ Installation procedures are the same as above plus an addition to Step 3: A ball- or butterfly-type shut-off valve must be installed ahead of the DAHL unit INLET. See Figure 2. This valve is necessary to shut off fuel when changing the element. Valves are available from your dealer or by contacting Baldwin Filters. INSTALLATION 1. Select a location in the fuel line between the fuel tank and the fuel pump, ahead of the vacuum side filters. All secondary or pressure side filters located between the pump and the engine should be serviced and left in place. 2. Mount the DAHL unit vertically on the vacuum (suction) side of all fuel pumps in a convenient location for servicing and inspection of contaminants in the bowl. Locate the height of the unit between the bottom of the fuel tank and the inlet of the fuel pump if possible. See Figure 1. NOTE: Allow 3 1/2 inches vertical clearance below the unit for servicing the element and draining the contaminants. 3. Install the fuel line from the fuel tank to the DAHL filter INLET using appropriate non-galvanized fittings. See DAHL Fittings Chart below. 4. Install the fuel line from the DAHL filter OUTLET to the INLET of the transfer or fuel pump. NOTE: To obtain maximum element life, remove as much mechanical restriction as possible from the system by doing the following: a. Remove the primary filter (if this does not affect warranty). b. Use the largest diameter fuel line that is practical. c. Mount the unit as near to the level of the pump as possible. d. Eliminate sharp bends in the fuel lines wherever possible. The best indicator of a fuel element’s condition is a vacuum gauge. (See 85-V Series in Form 4005.) A tapped fitting is recommended for mounting the gauge on the OUTLET port of the DAHL filter unit. (Manifold units are already tapped and plugged.) Remove the 1/8 inch plug and install the vacuum gauge there. Fittings and gauges are available from your dealer or contact Baldwin Filters. Prime the filter as indicated under ELEMENT REPLACEMENT section. B. FILTER MOUNTED BELOW FUEL STORAGE TANK _
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