Figure 3-9. Blower drive and coupling, disassembly and reassembly (sheet 2 of 2).

TM 10-3930-242-34

Figure 3-9. Blower drive and coupling, disassembly and

reassembly (sheet 2 of 2).

provides a means for the governor to change the

are against their stops, thus limiting their

f u e l settings of injector control racks.

t r a v e l , at which time the low speed spring is

(8) The engine idler speed is determined by

fully compressed and the low speed spring cap is

t h e force exerted by the governor low speed

within 0.0015 inch of the high speed plunger.

s p r i n g . When the governor throttle control lever

(5) Throughout the intermediate speed

i s placed in the idle position, the engine will

r a n g e the operator has complete control of the

o p e r a t e at the speed where the force exerted by

e n g i n e because both low speed spring and low

t h e governor low speed weights will equal the

s p e e d weights are not exerting enough force to

force exerted by the governor low speed spring.

o v e r c o m e the high speed spring.

( 9 ) Adjustment of the engine idle speed is

(6) As speed continues to increase, the cen-

a c c o m p l i s h e d by changing the force on the low

trifugal force of the high speed weights in-

speed spring by means of the idle adjusting

c r e a s e s until this force can overcome the high

screw.

s p e e d spring and the governor again takes con-

( 1 0 ) The engine maximum no-load speed is

trol of the engine, limiting the maximum engine

d e t e r m i n e d by the force exerted by the high

speed.

s p e e d spring. When the governor throttle con-

( 7 ) A fuel rod is connected to the differen-

trol lever is placed in the maximum speed posi-

tial lever and injector control tube lever

t i o n the engine will operate at the speed where

through the control link. This arrangement