Overhead Compartment Module; Batteries; Battery Installation X3 Series - PREVOST H3-41 Maintenance Manual

SECTION 06: ELECTRICAL
FIGURE 33: ENTRANCE DOOR & WIPER CONTROL
PANEL
Entrance Door & Wiper Control Panel
Multiplex Modules
AE47 I/O-B
Relays
R23 Windshield wipers
Solenoids
SO3 Door unlock
solenoid valve
SO4 Door unlock
solenoid valve
Diodes
D4 Windshield wipers
speed 2
D5 Windshield wipers
speed 1
8.8

OVERHEAD COMPARTMENT MODULE

A single I/O B module, AE53 is found at the rear
end of the left overhead compartment.
FIGURE 34: OVERHEAD COMPARTMENT I/O-EB
MODULE AE53
58 PA1621 Maintenance Manual All Series | Revised Sept 2019
06619
AE48 I/O-B
SO5 Door opening
solenoid valve
SO6 Door closing
solenoid valve
D7 Entrance door
9.

BATTERIES

The battery has four (4) major functions:
1. Providing a source of current for starting the
engine.
2. Stabilizing the voltage in the electrical
system.
3. Supplying current for a limited time, when
electrical demands of the equipment exceed
the power output of the alternator.
4. Providing a limited source of power for
connected accessories, when the engine is
not running.
WARNING
Battery posts, terminals and other related
accessories contain
compounds, chemical known to the State of
California to cause
reproductive harm.
Batteries also contain other chemicals known to
the State of California to cause cancer.
Wash hands after handling.
9.1

BATTERY INSTALLATION X3 SERIES

The battery bank is composed of four AGM
batteries. To prevent improper installation of the
batteries, the positive (+) and negative (-) signs
are laser cut on the battery deck steel sheet.
When installing new batteries, place the battery
negative and positive poles according to the
signs on the battery deck (Figure 35).
FIGURE 35: BATTERY INSTALLATION
lead and lead
cancer and other