Mazda 121 Workshop Manual page 53

ON.VEHICLE MAINTENANCE
2. Install the timing belt so that there is no looseness at the
tension side.
Caution
. Do not tum the crankahaft counterqlockwbe.
3. Install the pulley boss and pulley lock bolt.
4. Turn the crankshaft two turns clockwise, and face the pin
on the pulley boss uPright.
5. Verify that the camshaft pulley marks are aligned with the
cylinder head cover marks.
lf not aligned, remove the timing belt and repeat from ten'
sioner installation.
6. Loosen lhe tensioner lock bolt to apply tension to the tim-
ing belt.
Caution
. Be sure not to apply tension other than that of the
iensloner spring.
7. Tighten the tensioner look bolt.
Tighlening torque:
19-25 N.m (1.9-2,6 m-kg, 14-19 ft-lb)
8. Turn the crankshaft 2 turns clockwise and verify that the
marks are correctly aligned.
9. Checkthetiming belt deflection by applying moderate pree
sure (98 N, l0 kg, 22 lb) midway between the crankshaft
pulley and the camshaft pulley.
ll the timing belt dellection is not correct, temporarily se
cure tensioner lock bolt sothe spring is fully extended and
repeat steps 4-8 above or replace the tensioner spring.
Deflection:
11.0-13.0mm (0.43-0.st In) at 98 N (10 kg, 22 lb)
10. Removethe pulley lock boft and pulley boss using theSST.
Pulley lock bolt
lnstall the crankshaft pulley and tighten the pulley lock boll
using the SST.
Tightening torque:
157-167 N.m (16-17 m-kg, 116-123 lt-lb)
9 a N
(10 kg, 22 lb)
B-15