11-156.4
Change 1
TM 9-2320-280-20-3
11-112.1. TURRET CLEANING (Cont'd)
5.
Using fixture (2), drill 0.339-in. (8.611mm) diameter hole (3) in inner bearing (1).
6.
Remove fixture (2) from inner bearing (1).
CAUTION
Ensure bearings are spread apart where drill bit will come
through inner bearing, or drill bit may damage bearing
7.
Using hole drilled in step 5, drill 0.234-in. (5.944 mm) diameter hole (4) through inner bearing (1) only.
NOTE
After threading inner bearing hole, clean metal shavings
8.
Using 0.125-27 NPT standard tap, thread hole (5).
DRILL 0.339-IN. (8.611 mm)
DIAMETER HOLE
DRILL 0.234-IN. (5.944 mm)
DIAMETER HOLE
THREAD HOLE 0.125-27 NPT
