Governor Service - Toro Workman 3000 Series Service Manual

Governor Service

1. Remove the tie rod cover (Fig. 33).
2. Remove the tie rod clip and disconnect the tie rod
from the injection pump control rack.
3. Disconnect the governor spring from the tension
lever.
4. Remove the cover assembly.
5. Removing the levers:
A. To remove the levers, pull out the grooved pins
from the governor lever, stop lever and speed control
lever.
B. Loosen the bolts securing the levers and shafts.
6. Installing the levers:
A. Coat the o-rings with oil before installation.
B. Install the levers and shafts. After press fitting
each grooved pin, check the shaft for smooth opera­
tion.
C. Install the governor spring lever and speed control
lever so there is a minimum play of angle between
levers (Fig. 35) .
D. The governor spring should not deflect more than
20 mm (0.8 in.) when installed.
9. Inspect all parts for wear or damage and smooth
operation.
10. Reverse steps 1 - 4 to reassemble. After assembly,
make sure that the governor mechanism operates
smoothly.
NOTE: Further governor repairs require removal of the
gear case (See Gear Case and Oil Pump in the Cylinder
Block Overhaul section of this chapter).
Workman 3300-D/4300-D Page 4 - 47
Figure 35
Liquid Cooled Diesel Engine