PREVOST X3-45 COMMUTER User Manual

MI15-24B / Page 11 / 14
QF7720956 rev3>
ALTERNATORS
Figure 23
: Make sure power cables/positive cables (+) are
properly connected to alternator, that stud terminal nuts are
properly tightened.
TERMINAL NUT PRESCRIBED TORQUE
Delco Remy 55SI
- Ground : 50-60 lb-in
- Positive (+): 80-125 lb-in
- Sense (S) 25-45 lb-in
- Indicator (I) 25-45 lb-in
Bosch HD10
- B1(+) terminal: 10 lbf-ft
- ground: 6 lbf-ft
Bosch T1
- D+: 21-28 lbf-in
- B+, B-: 88-115 lbf-in
- W: 36-48 lbf-in
Delco 50DN
- DC Output: 30-35 lbf-ft
- F1, F2, Relay: 6 lbf-ft
Figure 24:
Bosch T1 alternator with the two
required rubber grommets. Alternator cables
connected to the alternator stud terminals must be
protected against metal edges
with rubber
grommets.
Figure 25: Fire in engine compartment caused by
rubbing of power cable against
metal edge of
Bosch T1 alternator rear cover
. Lower rubber
grommet was missing when fire occured.
Evidence of electrical arc can be seen.

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