Mazda MX-5 1990 Workshop Manual page 300

G
Ale EQUIPPED
WHEN SET
G-16
CHARGING SYSTEM
05UOBX·011
WHEN MEASURED
05UOBX·012
5. Check the drive belt tension with a tension gauge.
Note
• Belt tension can be measured between any pulleys.
Tension
N (kg, Ib)
Drive belt New Used
Alternator
491-589 422-491
(50-60, 110-132) (43-50, 95-110)
PIS, PIS + A/C
491-589
422-491
(50-60, 110-132) (43-50, 95-110)
A/C
491-589
422-491
(50-60, 110-132) (43-50, 95-110)
6. Install the air intake pipe,
Adjustment
Caution
• If a new belt is used, adjust the belt deflection at
the midpoint of new belt specification.
(1) Alternator belt
If necessary, loosen the alternator bolts @and @and
adjust the belt deflection by turning the adjusting bolt
©.
Tightening torque
@ ~
19-25 N·m (1.9-2.6 m-kg, 14-19 ft-Ib)
@:
37-52 N·m -(3.8-5.3 m-kg, 27-38 ft-Ib)
(2)
PIS
belt,
PIS +
Ale belt
If necessary, loosen the PIS oil pump bolts
®
and
®
and nut
©,
and adjust the belt deflection by turning
the adjusting bolt
@.
Tightening torque
®:
31-46
N·m
(3.2-4.7
m-kg,
23-34
ft-Ib)
®
~
36-54 N·m (3.7-5.5 m-kg, 27-40 ft-Ib)
©:
19-25
N·m
(1.9-2.6
m-kg,
14-19
ft-Ib)
(3) Ale belt
If necessary, loosen the locknut and adjust the belt
deflection by turning the adjusting bolt.
Tightening torque:
37-52 N·m (3.8-5.3 m-kg, 27-38 ft-Ib)