Mazda B-Series 1997 Workshop Manual page 70

ON-VEHICLE MAINTENANCE
Note
SST Number: 49 UNO1067 Camshaft Belt Tensioner
Tool
3. Remove the bolt, washer and the crankshaft pulley.
4. Remove the timing belt and inspect it for wear or damage.
If the timing belt
' k
damaged, -replace it. (Refer to page
B1-8.)
5. ~ e m o v e one spark plug from each cylinder and mark
locations to ease installation.
6.Align crankshaft so number one piston is at TDC as
indicated by timing mark.
7. Align mark on crankshaft pulley with line on timing belt
cover.
8. Align the triangle on the camshaft pulley with the triangle
on the timing belt inner cover.
9. Align the diamond on the oil pump pulley with the diamond
on the timing belt inner cover.
10. Install the timing belt over the timing belt pulley and then
counterclockwise over the oil pump and camshaft pulleys.
Align the belt fore and aft on the pulleys.
11. Loosen the belt tensioner adjustment bolt to allow the
tensioner to move against the belt. If the spring does not
have enough tension to move the roller against the belt
(the belt hangs loose), it may be necessary to manually
push the roller against the belt and tighten the bolt.
Note
The spring cannot be used to set belt tension. A
wrench must be used on the tension assembly.
12. Rotate the crankshaft two complete turns in direction of
normal rotation (clockwise) to remove the slack from the
belt. Check the alignment of the timing marks. Repeat
steps if timing marks are not properly aligned.
13. Tighten the belt tensioner adjustment bolt to the specified
torque.
Tightening torque:
3 5 4 5 N-m ( 3 . 5 4 . 5 kgfem, 25--33 ft-lbf}
14.Tighten the belt tensioner spring bolt to the specified
torque.
Tightening torque:
40-55 N-m (4.2-5.5 kgf.m, 3 0 - 4 0 ft.lbf}
15. Install the timing belt outer cover.
16. Install the spark plugs and tighten to the specified torque.
Tightening torque:
7-1 4 N-m (0.7-1.4 kgfem, 60--120 in-lbf}