5. CALIBRATION AND MAINTENANCE
The DC cable contains 4 leads. Two are heavy-gauge DC current leads for the
battery discharge current. Two are light-gauge leads for sensing the battery
voltage. Each current carrying lead has its sensing lead attached at the battery
quick disconnect.
To replace DC battery cable proceed as follows:
1) Disconnect AC line and battery
2) Remove unit cover
3) Replace old cable from connector and unit
4) Make sure that each sensing lead is securely soldered or
crimped to the termination of the DC cable at the connector
and at the internal termination
5) Check all leads for tightness
5.6.3
REPLACEMENT OF FUSES
The CA-1550 is equipped with four fuses: (2) Two, 20 ampere AC line fuses; (1) one,
40 ampere DC charge line fuse; and (1) one, 70 ampere discharge line fuse. See
specification in section 7 for the specific types of fuses required.
WARNING: Disconnect AC voltage and battery before
attempting to replace any fuses.
To replace any of the fuses open the front panel of
the CA-1550 by removing the two screws on the right
side of the panel. Locate the two AC fuses on the
front panel near the power cord entrance. Locate the
DC charge fuse on the bottom of the unit near the
terminal board. Locate the 70 ampere discharge fuse
bolted onto the ammeter shunt on the bottom of the
unit near the terminal board.
Remove the old fuse from the fuse holder and
replace with the new fuse.
5.6.4
CLEANING AGENTS
Do not use acetone and other similar cleaning agents on the meters, timer or any
plastic part.
CA-1550 CHARGER / ANALYZER - OPERATING MANUAL LI-4159-CML Rev A
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