Fisher Scientific I903C, Operation Manual, Page: 35 / 56

5-4 Isotemp ULT Chest Fisher Scientific
Section 5
Maintenance
Note For a consistent and dependable charge, replace the battery every 2
years. Replacement batteries must be rechargeable are available from Fisher
Scientific. Refer to the parts list for stock number and description of the
replacement batteries (P/N 400159). Dispose of the used batteries in a safe
manner and in accordance with good environmental practices.
s
Defrost the unit as previously described. This prepares the unit for storage.
Turn Off the battery power switch (O). Turn Off the freezer power switch.
Note If the unit has been in service, turn it off and disconnect the power
cord connector before proceeding with any maintenance.
s
Prepare Unit for
Storage
3 cu ft Models (continued)