Figure 11C-60. Variable Speed Mechanical Governor
Adjustment of the engine idle speed is
check the fuel settings of the injector
accomplished by changing the tension on
control racks.
the variable speed spring by means of
the idle speed adjusting screw. Refer to
The engine idle speed is determined by
Subsection
11H
for
idle
speed
the centrifugal force required to balance
adjustment.
out the tension on the variable speed
spring in the low speed range.
Adjustment of the maximum no-load speed
is a c c o m p l i s h e d b y v a r y i n g t h e t e n s i o n
on the variable speed spring by the in-
stallation or removal of stops and shims,
as
required
Refer
to
Subsection
11H
for maximum no-load speed adjustment.
Lubrication
Surplus oil returning from the cylinder
head provides lubrication for the parts
in the governor control housing, the ris-
er thrust bearings, and the weight shaft
end bearing. Oil, picked up from a res-
ervoir in the blower front end plate, by
a slinger attached to the lower rotor
shaft, provides lubrication for the gov-
ernor weights and weight carrier.
Pressure lubrication has been provided
for the weight housing bearings. The oil
Figure 11C-61. Variable Speed
Governor Mounting