Teledyne API M701H High Performance Zero Air Generator MAINTENANCE
06712B (DCN5875) 6-3
6.4 Replacing The Charcoal Scrubber 1. Turn off the M701H and wait for the pressure to go to zero.
2. Open the front panel, or remove the top cover.
3. Remove the 1/4” tubing connected to the top of the scrubber canister.
4. Undo the Velcro strap freeing the cannister.
5. Remove the 1/4” tubing connected to the bottom of the canister.
6. Unscrew the cap of the canister.
7. Pull out the pad from the top of the canister.
8. Pour out the charcoal and dispose of it properly.
9. There may be a little dust as you pour the charcoal out so you may want to wear a
dust mask.
10. Refill the canister with fresh charcoal, up to 3/8” to 1/4” from the top. Rap the sides
of the canister gently to settle the charcoal and add more as necessary.
11. Replace the pad on top of the charcoal.
12. Wipe any charcoal dust from the top edge of the canister. This is the surface which
seals against the washer.
13. Check that the washer is in place in the cap.
14. Replace the cap and tighten it “hand-tight”.
15. Reconnect the lower 1/4” tube connection.
16. Replace the canister and attach using the Velcro strap.
17. Replace the upper 1/4” tube connection.
18. After the compressor is turned on, it may be wise to check the scrubber for leaks
using a commercial soap solution leak finder.
6.5 Replacing The NO - NO2 Scrubber This procedure is identical to the charcoal scrubber replacement procedure except that
the canister should be refilled with Purafil.
NOTE
After replacing the material in these scrubbers it can
take up to 48 hours for the material to dry out before
the M701H is functioning optimally.