Service Manual

Timing Belt Tension
1. Remove alternator drive belt.
2. Remove timing belt cover.
3. Remove access cover.
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.
cover A
Timing belt
Figure 22
Ti
5. Turn crankshaft clockwise to align timing mark on
camshaft sprocket and timing belt rear cover.
ming mark
Figure 23
6. Loosen tensioner nut by one (1) or two (2) turns and
allow spring force to tension belt.
Tensioner nut
Figure 24
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.
Tensioner set mark
Figure 25
Liquid Cooled
Gas Engine
Workman 3000/4000 Series Page 3 – 19 Liquid Cooled Gas Engine