TM 5-3805-280-10
Maintenance--Every 1000 Hours
3. Turn flywheel until timing pin goes into hole in flywheel.
4. Using engine rotation tool, rotate engine flywheel in
running direction (clockwise viewed from front) until No.
1 cylinder is at "TDC" Compression stroke.
If No. 1 cylinder rocker arms are loose, the engine is at
No. 1 "TDC" Compression. If No. 1 cylinder rocker
arms are not loose, rotate engine one full revolution
(360) to No. 1 "TDC" Compression
To change piston position, remove timing pin and
rotate flywheel.
5. Check and adjust valve clearance to specifications as
directed in the following procedures.
6. Loosen jam nut (A) and adjust clearance with a
screwdriver, as shown.
TX,86,DH5104
1909JUL962/2
16-4
