Toro Workman 3000 Series Service Manual page 272

6. Inspect hub, shifter, synchro key and synchro spring:
A. Inspect hub for worn or damaged spline.
B. Inspect shifter for chipping or damaged chamfer.
C. Inspect synchro keys for wear or damage.
D. Inspect synchro springs for wear or damage.
E. The shifter should move freely on the hub.
F. Measure the clearance between shifter groove
and fork. Replace shift fork, if the clearance ex­
ceeds 1.0 mm (.039 in.)
7. Inspect main shaft:
A. Inspect main shaft for worn or damaged surface.
If O.D. of needle bearing surface is less than 21.95
mm (.864 in.), replace the main shaft.
B. Inspect lip portion of oil seal for wear or damage.
C. Insert spline in clutch disk and check for exces­
sive looseness and free sliding of clutch disk hub.
IMPORTANT:Early versions of the centerplate have
either four shims (Item 2) without tabs or one thick
shim (Item 4) with a tab (Fig. 74).
8. Inspect both snap ring (item 3) and shim(s) (items 2
or 4) for damage. Replace all parts if any part is cracked
or broken. Shims (Item 2) must be replaced with tabbed
shim (Item 4) (Fig. 74).
IMPORTANT:Newer versions of the center plate
have one tabbed shim (Item 4) with three tabless
shims (Item 2) (Fig. 75).
9. Inspect both snap ring (item 3) and shim(s) (items 2
and 4) for damage. Replace all parts if any part is
cracked or broken (Fig. 75).
Drive Train
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Figure 72
Figure 73
Figure 74
Figure 75
Workmand 3000 /4000 Series
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