TM 5-3805-280-10
Maintenance--Every 1000 Hours
CHECK ENGINE SPEEDS
1. Warm engine to normal operating temperature.
Slow idle--Specification
Speed .................................................................................. 900 25 rpm
Fast idle in Standard Mode--Specification
Speed ................................................................................. 2180 25 rpm
2. Connect a tachometer to check engine speeds
NOTE: Turn engine RPM dial to slow idle to check slow
idle speed
Turn engine RPM dial to fast idle to check fast
idle speed.
If engine speeds need adjustment, see your authorized
dealer.
TX,85,DH5726 1928APR971/1
16-6