Toro Workman 3000 Series Service Manual page 220

6. Check the gears for incorrect tooth contact, wear and
damage. Replace any gears that are badly worn or
damaged.
Maximum idle gear bushing to shaft clearance:
0.2 mm (0.008 in.)
Maximum backlash between gears in mesh:
0.3 mm (0.012 in.)
Liquid Cooled Diesel Engine
7. Inspect the camshaft parts (Fig. 80). Replace any
parts that are worn or damaged.
Major diameter of cam:
Injection pump cam: 29.3 - 30 mm (1.154 - 1.181 in.)
Valve cam: 26.37 - 27.37 mm (1.038 - 1.078 in.)
Push rod bend: within 0.3 mm (0.012 in.)
Tappet to cylinder block hole clearance:
0.15 mm (0.006 in.) maximum
Figure 80
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