2-50. MAINTENANCE OF CAB ASSEMBLY (CONT).
Install three alinement pins (4) (fig. 1,
appx C) in threaded holes in turret bear-
ing outer race assembly (5). Alinement
pins should be 120 degrees apart.
Install FRONT marking on turret bearing
(6) toward front centerline of hull.
Hoist cab assembly (2) off wood blocks
and install on hull using alinement pins
(4) as a guide.
l Remove three alinement pins
from turret bearing when install-
ing screws and Iockwashers in
l To install 28 hexagon head
capscrews and Iockwashers in
step 7, turret must be traversed
to make approximately four
capscrews and Iockwashers ac-
cessible at a time.
7 Install 28 new Iockwashers (7) and 28
hexagon head capscrews (8) securing
turret bearing (6) to hull.