User's Manual

DRAFT COPY

BATTERY REPLACEMENT

Battery replacement for the Portable Unit is detailed in the Operation

and Maintenance Instructions for the PAK-ALERT EMS as installed

on the AIR-PAK respirator. Those instructions are as follows:

– for PAK-ALERT EMS installed on AIR-PAK 2.2/3.0/4.5/Fifty:

See Instruction P/N 89501-01

Battery replacement for the Base Station is as follows:

1. Place the Base Station in a clean, nonhazardous area. Verify

that the unit is not in use and is OFF.

2. Set the Base Station with the control panel face up and the bot-

tom of the unit accessible.

3. Remove the three (3) battery caps from the battery compart-

ments by unthreading them counterclockwise. See FIGURE 4.

4. Remove the six (6) depleted batteries.

5. Install six (6) fresh new “C” cell batteries. Use six (6) of the

following: Duracell MN1400, or Eveready Alkaline No. E93 or

EN93. Be sure orientation of batteries is as noted on labels in-

side the battery compartments.

6. Replace the three (3) battery caps by threading them on clock-

wise.

7. Power up the Base Station and perform the REGULAR OPERA-

TIONAL INSPECTION as defined in this instruction.

MAINTENANCE

Except for programming and battery changing, there are no service

operations or user serviceable parts available to the user.

WARNING

FAILURE TO REPLACE THE BATTERIES AND/

OR CONTINUING WITH MULTIPLE USES OF

THE SEMS EQUIPMENT AFTER THE LOW

BATTERY CONDITION HAS BEEN INDI-

CATED MAY RESULT IN FAILURE OF THE

SEMS ACCOUNTABILITY SYSTEM DURING

USE WHICH COULD LEAD TO SERIOUS IN-

JURY OR DEATH.

FIGURE 4

BATTERY COMPARTMENTS ON BASE STATION

BATTERY

CAPS (3)

BATTERY ORIENTATION

LABELS