Check Battery(S) - Thermo Scientific Revco ULT1790-10-A Operating Manual

Section 5
Maintenance

Check Battery(s)

5-4 Revco CxF
All Models except 3 cu ft (Figure 5-1):
1. Locate the power switch on the back of the unit. Turn the switch off.
(O).
2. Open the lower door on the front left corner of the sidecar. Turn off
the battery switch (O).
3. Remove all the screws from the side panel, except the lower ones. Just
loosen these and lift the panel off.
4. The battery is rectangular in shape, located above the compressor
compartment, to the right and behind the relay box. Remove the three
wingnuts that secure the cover on the battery. Remove the cover.
5. Remove the battery from the mounting bracket.
6. Disconnect the red and black wires from the battery.
7. Use a voltmeter set to DC volts. Matching the wire colors, connect the
meter to the battery.
8. If the voltage reads less than 10.8 volts, replace the battery. If above
10.8, re-install as previously.
9. Re-install side panel. Turn the battery power switch to Standby mode
( ), then close lower door. Turn power switch On.
3 cu ft Models (Figure 5-2):
1. To gain access to the battery, open the lower door by grasping the
bottom left corner. The battery is rectangular in shape, located on the
left sideof the filter compartment.
2. Directly above the battery(s) is the battery power switch. Turn the
battery power switch to the off position (O).
3. Remove the three wingnuts that secure the cover on the battery.
Remove the cover.
4. Remove the battery from the mounting bracket.
5. Disconnect the red and black wires from the battery.
5. Use a voltmeter set to DC volts. Matching the wire colors, connect the
meter to the battery.
6. If the voltage reads less than 10.8 volts, replace the battery. If above
10.8, re-install as previously.
7. Turn the battery power switch to Standby mode ( ).
8. Close lower door.
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