Daihatsu F300 Service Manual page 1181

ENGINE MECHANICALS
2. Timing belt tensioner inspection
Check the timing belt tensioner for smooth turning.
Check the belt contact surface for damage.
If necessary, replace the timing belt tensioner.
CAUTION:
• Never wash the timing belt tensioner.
3. Inspect tension spring
(1) Check the free length of the spring
Free Length: 46.5 mm
(2) Check the tension of the spring at the specified instal-
lation length.
Tension as Installed: 29.4 N (3.0 kgf) at 50.9 mm
If the tension does not conform to the specification,
replace the spring.
4. Inspection of timing belt pulley
(1) Measure the maximum diameter of the timing belt pul-
ley, using vernier calipers.
Reference:
Camshaft timing belt pulley: 119.90 mm
Crankshaft timing belt pulley: 59.37 mm
(2) Visually inspect the timing belt pulley for damage.
5. Inspection of crankshaft timing belt pulley flange
Check the crankshaft timing belt pulley flange for bend,
damage and wear.
If necessary, replace the crankshaft timing belt pulley
flange.
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