PREVOST X3-45 COMMUTER User Manual

SECTION 06: ELECTRICAL
DOB 1300-1556 | X3-45 Commuter PA-1648 Maintenance Manual Section 06 revised release October 2021
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• If multimeter reads 1-2 volts, the lower
R.H. alternator is defective;
• If multimeter reads 12 volts, you have
an open circuit;
• If multimeter reads 26 volts or greater,
the lower R.H. alternator operates
normally.
Back-probe pin 9 (AE52 J2:9) and a good
ground (use ground stud in the compartment):
• If multimeter reads 1-2 volts, the lower
L.H. alternator is defective;
• If multimeter reads 12 volts, you have
an open circuit;
• If multimeter reads 26 volts or greater,
the lower L.H. alternator operates
normally.
13.2 ALTERNATOR DRIVE BELT
MAINTENANCE
Drive belt
Inspect for crac
k or frayed material at the
intervals specified by the Lubrication And
Servicing Schedule in
Section 24A:
LUBRICATION & SERVICING SCHEDULE.
13.2.1 Removal and installation
1. Insert a ½″ socket drive into the automatic
belt tensioner opening.
2. Twist the tensioning arm to slacken belt.
3. Remove belt.
Installation of the alternator drive belt is the
reverse of removal.
FIGURE 54: ½″ SOCKET DRIVE WRENCH
NOTE
Belts specifications may vary. For proper belt
selection, always consult your vehicle Coach
Final Record.
13.2.2 Adjustment
Correct belt tension is required to maximize belt
life. The tensioning arm maintains proper belt
tension, no adjustment is required.

PREVOST X3-45 COMMUTER Specifications

General

Engine	Volvo D13
Transmission	Allison B500
Fuel Type	Diesel
Length	45 ft (13.7 m)
Width	102 in (2.6 m)
Horsepower	500 hp
GVWR	54, 000 lbs
Height	141 in