Timing Belt Tension - Toro Workman 3000 Series Service Manual

Timing Belt Tension

1. Remove alternator drive belt.
2. Remove timing belt cover.
3. Remove access cover.
4. Turn crankshaft clockwise (right turn) to check that
timing belt is okay over it's entire length.
IMPORTANT: Turn crankshaft only in clockwise
direction.
5. Turn crankshaft clockwise to align timing mark on
camshaft sprocket and timing belt rear cover.
6. Loosen tensioner nut by one (1) or two (2) turns and
allow spring force to tension belt.
7. Turn crankshaft clockwise by nine (9) camshaft
sprocket teeth (81�) to align timing mark on camshaft
sprocket with tensioner set mark on timing belt rear cov­
er.
8. Tighten tensioner nut.
9. Install access cover.
10. Install timing belt cover.
11. Install alternator drive belt.
Workman 3000/4000 Series
Timing belt
cover A
Access cover
Ti ming mark
Tensioner nut
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Figure 22
Figure 23
Figure 24
Tensioner set mark
Figure 25
Liquid Cooled Gas Engine