1. Remove recoil cylinder (I), gun (IV), counter recoil springs (V), sight (XI) and shields (IX). 2. Remove trunnion caps (right and left) by raking out four split pins, loosening swing bolt nuts, and withdrawing ½” trunnion cap pins. 3. Remove rocker stops (right and left) by taking out four split pins and ⅜” bolts. 4. Unlatch and spread trails. Note.—Seven men and four pick handles (or similar implements) are required for succeeding operations. 5. Post two men with one pick handle at rear, two men with one pick handle immediately in front of elevating arc, and two men with one pick handle at front end of spring cylinder. 6. Raise cradle slowly, slightly to the rear until rocker clears top carriage. Carry to the rear sufficiently to rest middle pick handle in trunnions and transfer two men with handle to rear of carriage. Continue to the rear sufficiently to rest front pick handle in trunnions, transfer men to rear, and remove spring cylinder. XI. To Remove Sight. 1. Remove three ⅜” bolts from rocker arm, left. 2. Remove one ⅜” pin from sight lever in left trunnion. 3. Remove sight and sight link. XII. To Remove Rocker and Rocker Arms. 1. Remove spring cylinder (see X). 2. Remove two 3/32” split pins, with ⅜” nuts and bolts, two ⅜” cap screws with lock washers, four ⅛” screws, driving out four O.247” by O.34” by O.872” keys from rocker arms, right and left. 3. Remove rocker arm, left, by sliding up and out of rocker. 4. Remove cross-shaft bearing cover by taking out three 3/32” split pins and removing three 3/16” nuts. 5. Drive out ⅛” pin from intermediate shaft pinion, remove two ⅛” split pins, two ½” nuts, one ⅛” split pin, and one ½” cap screw from rocker-arm cap and remove rocker-arm cap. 6. Lift out elevating handwheel and handwheel shaft as a unit. 7. Draw intermediate shaft up and out of rocker-arm brace, draw rocker down from trunnions (keeping in line with rocker-arm bearings) and remove. Swing rocker arm, right, up and around trunnions until free of range-scale bracket and remove. XIII. To Remove Top Carriage. 1. Remove spring cylinder (see X) rocker and rocker arms (see XII). 2. Remove angle of site bracket, left, by removing three split pins and nuts from ⅜” bolts in angle of site bracket cover, left, taking off cover, removing nut and split pin from traversing handwheel shaft, removing handwheel and drawing shaft out to the left. 3. Remove two split pins and ¼” nuts from cross shaft pinion case (left) bolts, extract bolts, and remove case. 4. Remove cross shaft pinion case, right, as in XIII-3. 5. Remove split pins and two nuts from cross shafts, right and left. 6. Remove split pins and nuts from four ½” studs securing angle of site bracket, left, and remove bracket with attached parts as a unit. 7. Remove angle of site bracket, right, as in XII-5. 8. Draw out cross shafts, right and left, and remove cross shaft pinions, right and left.