PREVOST H3-41 Maintenance Manual page 279

ALTERNATORS
Figure 23: Make sure power cables/positive cables (+) are
properly connected to alternator, that stud terminal nuts are
properly tightened.
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
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
with rubber
Evidence of electrical arc can be seen.
MI15-24B / Page 11 / 14
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
was missing when fire occured.
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