TM 5-3805-280-10
Maintenance--Every 1000 Hours
ENGINE SPEED LEARNING PROCEDURE
1. Stop engine.
2. Push engine learning switch (C) up to top position. The
switch is a three position switch. Make sure it is in the
top position.
3. Turn key switch ON. Wait for 5 seconds.
4. Turn key switch OFF. Wait for 5 seconds.
5. Push engine learning switch to middle position.
6. Check engine speeds.
Slow Idle--Specification
Speed ................................................................................... 900 25 rpm
Auto-Idle--Specification
Speed ................................................................................. 1200 25 rpm
E (Economy) Mode--Specification
Speed ................................................................................. 1980 25 rpm
Fast Idle in Standard Mode--Specification
Speed ................................................................................. 2180 25 rpm
NOTE: If engine RPM is not to specifications, see your
authorized dealer.
TX,85,DH5728 1928APR971/1
CHANGE AIR CLEANER ELEMENTS
1. Open left front service door.
2. Loosen wing nut to remove cover.
3. Remove wing nut and primary element (A).
Continued on next page
TX,85,FF2318 1901NOV911/2
16-7
