Check Engine Speeds

1. Warm engine to normal operating temperature.

2. Use tachometer (A), if equipped, to check engine speeds:

Specification

Engine Speed (S.N. -830204) -Slow Idle 850 ± 50 rpm
Engine Speed (S.N. -830204) -Fast idle (Using speed control pedal or lever) 2375 ± 50 rpm

Specification

Engine Speed (S.N. 830205- ) -Slow Idle 900 ± 25 rpm
Engine Speed (S.N. 830205- ) -Fast Idle (Using speed control pedal or lever) 2375 ± 25 rpm

If engine speeds need adjustment, see Adjust Engine Speed Control Linkage in this Maintenance-Every 1000 Hours chapter.

T106776

(S.N. -830204)

T119012D

(S.N. 830205- )

TX,90,BG590 -19-21JAN97-1/1