Sec. 6-Fig. 86
METHOD OF SECURING GUN BARREL EQUIPMENT AFTER GUN BARREL HAS BEEN UNLOADED
The two carrying cars equipped with steel bolsters must remain coupled together. The steel bolster must always
remain with its assigned car.
The bolsters must be securely fastened with turnbuckles, hooked to side stake pockets and made taut on both
sides of car.
Unless otherwise provided for by special instructions, the shipper's securement and fastenings removed from the
gun barrel should be returned with the cars to the shipper, secured to the cars as shown in Figure 86.
Place the breech block and plate, Items "0" and "P", and the band, Item "N" on floor, so that hook, No. 4 may be
engaged with U-bolt No. 5 in floor and tighten nut on No. 4, clamping breech block, plate and band to floor.
Place the center clamp, Item "M", on the floor of the fixed center plate bolster car, using clamping bolts in clamp,
for securing clamp to anchors No. 3 on floor of car.
Place the fixed center plate bolster to center clamp rods, Item "T", and the movable center plate bolster to muzzle
rods, Item "T", on floor each side of cars. The threaded end through hole in No. 2, and the eye over No. 1 secured with
3/8 in. x 3 in cotter pins in No. 1. The nuts then to be jammed together.
Place the rods from the center clamp to movable center plate bolster, Items "T", in J-bolt clamp, No. 6 on floor
and tighten nuts on J-bolts, clamping the rods, and jam)the nuts on rods together.
Top bolster blocks to be placed on bottom blocks, and muzzle end blocks, plate and band, Items "Q", "R" and "S",
to be placed on top of top bolster block on movable center plate bolster over the clamp rods, Items "L", on left side of
car, and wire clamp rods, Items "K" and "L", (both bolsters) with sufficient tension to hold them taut. The nuts on clamp
rods to be jammed with the wire between them.
E-113
