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SECTION 6
MAINTENANCE
6.1.0 BATTERY KIT INSTALLATION
The following instructions detail the correct procedure
for battery kit installation, RTP-4021A. See Figure 5-1.
I. Remove and discard 4 nuts holding the battery retain-
ing bars to the battery case. Remove the retaining
bars and batteries from the case.
2.
Extract the Red and Black battery leads from the
battery compartment.
3. Place the battery case in the battery compartment.
Screw in the center screws and attach the retaining
bars with the 4 screws removed in step
I. The battery
case should now be attached with 6 screws.
4. Connect the Red lead to the
+
terminal, the Black
lead to the - terminal on one end and jumper from
+
to - on the other end of the batteries which places the
batteries in series.
6.1.1
BATTERY CHARGING
The following instructions detail the correct procedure
for battery charging.
NOTE: Prolonged discharge of the battery can cause
permanent damage to the battery. New batteries must be
shipped discharged by law.
I. Connect the unit to an AC power source and select
"BATTERY" on the rear panel. Turn the unit "ON".
The unit will charge in either the "BATTERY" or
"EXT DC" positions.
2. Read the battery voltage by selecting "BATT" on the
right LCD. A fully charged battery will read 13.6 volts.
Overnight charging of the battery can be accom-
plished by leaving the unit in "ON" or "STANDBY"
and will fully charge the newly installed battery.
NOTE: If AC power is connected to the unit. the AC power
will be used rather than DC power.
6.1.2 OPERATION FROM AN EXTERNAL DC SOURCE
The following instructions detail the correct procedure to
operate the unit from an external DC power source. The
connector kit RPX-4097 A consists of a connector shell,
clamp. and four connector pins. These parts can be used
to fabricate a mating plug for the male DC power connec-
tor at the back of the service monitor and enables the
user to make a DC power cable to interconnect a sepa-
rate power source to the service monitor.
I. Assemble the connector kit RPX-4097 A as follows:
pin I to
+
(II to 17 VDC)
pin
2
to NC
pin
3 to NC
pin 4 to ground
NOTE: Use wire large enough to carry
6 amps with no
significant loss. ie.
IR AWG for up to 6 feet
20 A WG for up to 16 feet
The terminals supplied are #18-#14 with ins diameter
.110"-.150"
2. Select "EXT DC" on the rear panel.
3. With no AC applied to the unit, turn the unit on and
measure the External DC voltage using the "BATT"
measurement on the right LCD. This voltage must be
between 11 and 17 volts DC for proper operation.
NOTE: If AC power is connected to the unit, the AC power
will be used rather than DC power.
FIGURE 6.1-BATTERY INSTALLATION
6-1
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