Isuzu N Series 2008 Owner's Manual page 392

7-46
SERVICE AND MAINTENANCE
4HK1 engine model with 80A
alternator
Adjusting bolt
Lock nut
2008N_sec07-1_print2.indd 46
4HK1 Engine Model with 80A
Alternator
Adjustment
1. Loosen the tensioner's lock nut.
2. Adjust the belt tension with the
adjusting bolt.
3. When the tension has been adjusted,
securely fasten the tensioner's lock
nut.
Changing the Belt
1. Loosen the tensioner's lock nut.
2. Loosen the adjusting bolt and remove
the belt from the pulleys.
3. Take out the belt through the opening
in the fan.
4. Insert the new belt through the
MFU770SH014601
opening in the fan, and install the belt
while aligning its grooves with those
in the pulleys.
5. Turn the adjusting bolt until the belt
tension is within the standard value
range.
6. When the tension has been adjusted,
securely fasten the tensioner's lock
nut.
3/09/2008 5:47:43 PM