10 Specification for Option L
10 - 2
10-3 Specification of heavy duty auto drain (ADH4000-04).
10-4 Installation of heavy duty auto drain
1. Hold the hexagon-head part (width across flats: 32 only IDFA15E) at port Rc1/2 of the air dryer
with spanner. Then install nipple, ball valve (width across flats: 25).
Note 1) Put up the seal tape or the sealant to the nipple.
Torque R1/2 ,R3/4: 28 to 30N･m
2. Hold the ball valve with the spanner. Then install a nipple and a heavy duty auto drain.
Install with “out port" down in a vertical position. Inclination from the vertical line should be less
than 5°.
3. Install one-touch fitting (width across flats: 22) to drain port (width across flats: 27) and the drain
tube.
10-5 Maintenance
1. Check drain condition periodically (more than once a day).
Then push flushing button to open exhaust valve.
2. Pilot air is exhaust from the port indicated in the figure. Do not cover this exhaust port.
Clean exhaust port so that port is not blocked by dust, etc.
3. Close the ball valve before removing the heavy duty auto drain and open the bleed valve or push
the flushing button and confirm air pressure is 0.
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