Service manual

10-2
ELECTRICAL SYMBOLS
01. Alternating current (AC) ...
02. Direct current (DC) ...
03. Wired across ...
04. Connection ...
05. Switch ...
06. Ground ...
07. Cell ...
08. Battery ...
09. Bulb ...
10. Coil ...
11. Resistor ...
12. Capacitor ...
13. Armature and brush ...
14. Fuse ...
15. Volt meter ...
16. Ammeter ...
17. Transformer ...
18. Transistor ...
19. Rectifier / Diode ...
20. Zener Diode ...
21. Silicon Controlled Rectifier ...
BATTERY
CONSTRUCTION
Positive Plate - Porous mass of lead
dioxide (Pbo
2
) (Positive
active material)
Negative Plate - Porous mass of spongy
Lead (Pb) (Negative
active material)
Electrolyte - Diluted sulphuric acid
(H
2
SO
4
)
Separator - Micro porous, acid
resistant electrical
insulator between
positive & negative
plates
Container - Polypropylene casing to
house the plate group &
electrolyte
Cover - To seal the battery
container
Filling Plugs - To facilitate filling of
electrolyte and water
topping up.
Gang Piece - To vent gases through
common manifold and
exhaust nozzle
Terminals - To make connections to
the electrical loads.
Intercell Poles - To connect the cells in
series internally.
Exhaust Tube - To discharge the vent
gases.
Exhaust Seal Cap - To protect the dry
charged plates from
oxidation.
SCR
Electricals