TM 5-3805-280-24-2
Speed Controls
05
0515
4
A--Nut
D--Supplementary Idle
F--Fast Idle Stop Screw
B--Slow Idle Stop Screw
Screw
C--Nut
E--Nut
6. Push injection pump lever against fast idle stop
8. Loosen nut (A) on the slow idle stop screw (B).
screw (F). Record engine speed.
9. Hold injection pump lever against the slow idle stop
Push injection pump lever against slow idle stop
screw.
screw (B). Record engine speed.
Adjust the slow idle stop screw to obtain an engine
Adjust fast and slow idle stop screws on injection
speed that is 30--40 rpm less than the slow idle
pump as needed.
specification.
Engine Fast Idle Stop Screw--Specification
Hold screw and tighten nut.
Speed........................................................................... 2250 25 rpm
10. Turn the supplementary idle screw in to increase
engine speed to the slow idle specification. Hold
Engine Slow Idle Stop Screw--Specification
screw and tighten nut.
Speed............................................................................. 900 25 rpm
7. Loosen nut (C) on the supplementary idle screw
(D). Turn the screw out three turns.
Continued on next page
TX,05,UU3886
1903APR982/3
14-15
