Toro Workman 3000 Series Service Manual page 122

3. Apply engine oil to lip of camshaft oil seal. Use seal
installer tool to drive seal into cylinder head.
4. Install rocker shaft so illustrated portion is located to­
ward the front (there is a chamfer and the oil hole is clos-
er to the shaft end than the bolt hole).
5. Tighten rocker arm shaft attaching bolts (4 bolts) a
little at a time and evenly. Tighten bolts to the specified
torque.
Liquid Cooled Gas Engine
Chamfer
Oil hole
Page 3 – 84
Figure 163
Bolt hole
Bottom view
Figure 164
Workman 3000/4000 Series
U8EN038