DETROIT DIESEL 53
Limiting Speed Governor 2.7.1
7. Lubricate both bearings with engine lubricating oil.
Insert the lever and operating shaft assembly in the
control housing. Guide the lower end into the bearing.
8. Secure the upper operating shaft bearing with the
round head retaining screw and washers.
9. Place the fork on the operating shaft with the two
cam faces facing the fuel pump.
Fig. 6 - Governor Weight Details and Relative
Location of Parts
10. Secure the fork to the operating shaft with two
screws and lock washers.
11. Place the differential lever over the operating shaft
lever pin and secure it in place with a washer and
spring pin.
Assemble Governor Weight and Shaft
Assembly
1. If the carrier was removed from the weight shaft,
press the carrier on the shaft so as to allow a clearance
of .001 " to .006 " between the shaft shoulder and the
rear face of the carrier.
2. Press the governor weight shaft bearing into the
bearing retainer by pressing on the outer race of the
bearing (Fig. 6).
3. Install the snap ring in the retainer with the flat side
of the ring facing the bearing.
4. Press the bearing retainer on the weight shaft until
the bearing is against the shoulder on the shaft.
NOTE: To prevent any damage, press only on
the inner race of the bearing.
5. Place the riser on the weight shaft.
6. Position the low speed weights, identified by the
short cam arm and three center laminations, each
approximately 9/64 " thick, on the weight carrier.
Drive the weight pins in place and install the weight
Fig. 5 - Governor Housings and Relative.
Location of Parts
pin retainers
April, 1971 SEC. 2.7.1 Page 5
