YW DKE TRADING COMPANY
YW DKE TRADING COMPANY
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Excelon Micro Fog Lubricator, L72-74, Plastic Bowl Closed
INSTALLATION
1. Shut-off air pressure. Install filter in air line -
● vertically (bowl down),
● with air flow in direction of arrow on body,
● upstream of regulators, lubricators, and cycling valves,
● as close as possible to the air supply when used as a main line filter,
● as close as possible to the device being serviced when used as a final filter.
2. Connect piping to proper ports using pipe thread sealant on male threads only. Do not allow sealant to enter interior of unit.
3. Flexible tube with 3mm (0.125") minimum I.D. can be connected to the automatic drain. Avoid restrictions in the tube.
4. Push bowl, or bowl with guard, into body and turn fully clockwise before pressurizing.
5. Install a Norgren general purpose filter with a 5 µm element upstream of the oil removal filter to obtain maximum element service life.
SERVICING
1. Open manual drain to expel accumulated liquids. Keep liquids below element (51, 53).
2. Replace filter element when pressure drop across element exceeds 0,7 bar (10 psig). The mechanical service indicator shows approximately full red and the optional electrical service indicator provides an electrical output when pressure drop across element reaches 0,7 bar (10 psig). DISASSEMBLY
1. Filter can be disassembled without removal from air line.
2. Shut off inlet pressure. Reduce pressure in inlet and outlet lines to zero.
3. Remove bowl - push into body and turn counterclockwise.
4. Disassemble in general accordance with the item numbers on exploded view. Do not remove the drains or the service indicators (1, 8) unless replacement is necessary. Remove and replace only if they malfunction.
CLEANING
1. Element (51, 53) cannot be cleaned. Clean plastic bowl (25, 42) and lens (3, 36, 47) with warm water only. Do not submerge electrical service indicator (8) in water. Clean indicator (8) with dry, clean cloth. Clean other parts with warm water and soap.
2. Rinse and dry parts. Blow out internal passages in body (6, 7) with clean, dry compressed air.
3. Inspect parts. Replace those found to be damaged. Replace plastic bowl with a metal bowl if plastic bowl shows signs of cracking or cloudiness.
ASSEMBLY
1. Lubricate o-rings, the portion of the manual drain body (18, 28) that contacts the bowl, and the hole in the manual drain body that accommodates the stem of drain valve (19, 29) with o-ring grease.
2. Assemble filter as shown on the exploded view.
3. Arrows on indicator (3, 10) and body (6, 7) must point in same direction. Push bowl, or bowl with guard, into body and turn fully clockwise.
4.
| Torque Table | Torque in N-m (Inch-Pounds) |
| 2, 9 (Screw) | 2,8 to 3,9 (25 to 35) |
| 22, 32 (Nut) | 2,3 to 2,8 (20 to 25) |
| 34, 45 (Screw) | 1,7 to 2,3 (15 to 20) |
| 51, 53 (Element) | 0,5 to 2,2 (5 to 20) |
Ordering information
Models listed include PTF threads, manual drain, and metal bowl with plastic liquid level indicator.
| Type | Port Size | Model | Flow Scfm(dm3/s) | Nominal bowl capacity (oz) | Weight lb (kg)† |
| Micro-Fog | 1/4" | L72M-2AP-QEN | 51(24) | 2.2 | 1.1 (0.49) |
| Oil Fog | 1/4" | L72C-2AP-QEN | 51(24) | 2.2 | 1.1 (0.49) |
| Micro-Fog | 3/8" | L73M-3AP-QDN | 60 (28) | 3.5 | 1.1 (0.50) |
| Oil Fog | 3/8" | L73C-3AP-QDN | 60 (28) | 3.5 | 1.1 (0.50) |
| Micro-Fog | 3/8" | L74M-3AP-QDN | 114 (54) | 7 | 1.70 (0.77) |
| Oil Fog | 3/8" | L74C-3AP-QDN | 118 (56) | 7 | 1.70 (0.77) |
| Micro-Fog | 1/2" | L74M-4AP-QDN | 154 (73) | 7 | 1.61 (0.73) |
| Oil Fog | 1/2" | L74C-4AP-QDN | 192 (91) | 7 | 1.61 (0.73) |
| Micro-Fog | 3/4" | L74M-6AP-QDN | 142 (67) | 7 | 1.55 (0.71) |
| Oil Fog | 3/4" | L74C-6AP-QDN | 186 (88) | 7 | 1.55 (0.71) |
* Models listed in the order table must not be located downstream of frequently cycling directional control valves. Order the optional bi-directional Oil-Fog Lubricator for use under such conditions.
** Typical flow with 90 psig (6.3 bar) inlet pressure and a pressure drop of 7 psig (0.5 bar).
†(74) Lubricators with 1 quart (1 liter) metal bowl: Add 2.01 lbs (0.91 kg).
