TM 5-3805-280-24-1
Adjustments
9010
20
7
A--Nut
D--Supplementary Idle
F--Fast Idle Stop Screw
B--Slow Idle Stop Screw
Screw
C--Nut
E--Nut
8. Loosen nut (A) on the slow idle stop screw (B)
6. Push injection pump lever against fast idle stop
screw (F). Record the engine speed.
9. Hold injection pump lever against the slow idle stop
screw.
Push injection pump lever against slow idle stop
screw (B). Record the engine speed.
Adjust the slow idle stop screw to obtain an engine
Engine Slow Idle Stop Screw--Specification
speed that is 30--40 rpm less than the slow idle
specification.
Speed............................................................................. 900 25 rpm
Hold screw and tighten nut.
Engine Fast Idle Stop Screw--Specification
Speed........................................................................... 2250 25 rpm
10. Turn the supplementary idle screw in to increase
engine speed to the slow idle specification. Hold
screw and tighten nut.
Adjust the fast and slow idle stop screws on injection
pump as needed.
7. Loosen nut (C) on the supplementary idle screw
(D). Turn the screw out three turns.
Continued on next page
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