Fig. 2 - Variable Speed Governor Mounting
under the ram of the press, then press both bearings or
bushing out of the cover.
Fig. 3 Governor Cover Details and Relative Location of
2. Disassemble the governor control housing.
a. Place the control housing in the soft jaws
3. Disassemble the governor weight housing.
b. Remove two bolts and lock washers and
withdraw the variable speed spring
a. Place the weight housing in the soft jaws
housing, spring plunger, and spring as an
assembly. Withdraw the spring plunger
from the plunger guide.
b. Straighten the tang of the lock washer and
c. Remove the spring retainer and washer.
remove the bearing retaining bolt.
Lift the differential lever off the pin of the
c. Thread a 5/16"-24 x 3" bolt into the
operating shaft lever.
tapped end of the weight shaft. Support
d. Refer to Fig. 6 and remove the variable
the weight housing on the bed of the press
speed spring plunger guide. Remove the
as shown in Fig.10, then press the shaft
bearing retaining screw, flat washer and
from the bearing.
d. Slide the riser thrust bearing and governor
e. Remove the expansion plug out of the
riser from the shaft.
lower end of the control housing.
f. Support the control housing bottom side
This bearing is specially designed to
up on the bed of the press. Use a brass
absorb thrust load; therefore, looseness
rod and press the operating shaft from the
between the mating parts does not
indicate excessive wear.
operating shaft, operating lever and
bearing as an assembly from the control
e. Remove the bearing from the weight
g. Support the operating shaft and lever on
the bed of the press as shown in Fig. 8.
NOTE: The weight shaft end bearing should be
Use a brass rod and press the shaft from
the operating lever and bearing.