Toro Workman 3000 Series Service Manual page 127

Cylinder Head Reassembly and Installation
1. Install valve spring seat. Use stem seal installer tool
to install new stem seal to valve guide. DO NOT reuse
valve stem seals.
2. Install valve spring with enamel coated side toward
rocker arm side.
3. Put valve spring retainer on top of spring and use
valve spring compressor tool to compress valve spring.
Install retainer lock.
Workman 3000/4000 Series
Valve
spring
seat
Enamel
coating
side
Page 3 – 89
Valve stem
seal
Figure 177
Spring retainer
Stem seal
Spring seat
Figure 178
Figure 179
Liquid Cooled Gas Engine