Precision Medical PM4150 EasyPulse Portable Oxygen Concentrator (POC) - Manual (Page 17)

15 | P a g e
Internal Battery Replacement (507547):
Tools and equipment required:
#1 Phillips screwdriver
Small diagonal wire cutters
Needle nose pliers
3/16” (15mm) ID silicone tubing x 6 inch (15 cm) long (minimum)
Disassembly
1. Follow steps 1 thru 11 of the “Disassembly” section of the
“Sieve Bed Replacement” in this manual.
2. Follow Steps 2 thru 7 of the “Disassembly” section of the
“Control Panel Replacement” in this manual.
3. Remove the 4 Screws securing Pump Compartment Cover
and set aside
4. Using diagonal cutters cut the Cable Tie that secures the
large rear Tube connecting the Inlet Muffler to the Pump and
remove the Tube from the Inlet Muffler.
5. Slide the Pump/Fan Assembly out of the POC, set aside.
6. Using diagonal cutters, cut the two (2) Cable Ties securing the
Battery to the Battery Shelf as shown and discard.
7. Remove the battery and dispose of in accordance to local recycling requirements.