Invacare Mirage Service Manual page 27

13.3 Disassembly
1. Unplug the battery leads (4), and remove the battery wire harness (see section 12) if still
present.
2. Undo the battery straps (3)
3. Unclip the battery box lids, remove the battery caps, and with a 10mm / 11mm spanner, undo
the battery terminals. Remove the batteries from the cases.
13.4 Assembly
To re-assemble, reverse steps 1 to 3 and charge the battery fully.
Caution:
• Take care of the battery polarities. Never cross polarities and always refit battery caps. If any
wires or insulation is damaged, ALWAYS replace before use.
13.5 Inspection – Battery Charger
1. Check the charger case for physical damage.
2. Check the input and output leads and plugs for damage, cuts and wear.
3. Check that the charging, charge complete and power on lamps are operating correctly.
4. With an ammeter or a multimeter set to amp (range 10A) test the charging current.
Note:
• Ammeters must be connected in series with the battery circuit.
•
The current reading should read approximately 7amp at charge start and 0.2 amps at complete
charge.
5. With a voltmeter or a multimeter, set to volts (range 30v) test the charging voltage at the
battery supply (red + blue - ve wires). The reading should increase to 28.4v during charging.
Note:
• The battery charger is a sealed unit. Under no circumstances should it be opened.
13.6 Battery Wiring Diagram
+
Connector
Grey
-
26
Circuit
Breaker
Red
Red
Black
Blue
Battery
Red
Black
Battery
Front Battery Box
Rear Battery Box
-
Connector
Red
+
Circuit Breaker
Red
Connector
Red
+
-