OP-755 Part 2 Pages 197-401 - Personal Page of GENE SLOVER

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RESTRICTED NAVY DEPARTMENT, BUREAU OF ORDNANCE, WASHINGTON, D.C. To all holders of Ordnance Pamphlet 755 (Is]. Rev) Insert change; write on cover "Change I entered" Approved by T he Chief af T he Bureau of Ordnance I?RDNANCE PAMPHLET 755 (lst. Rev) is changed as tallows: 16" TRIPLE GUN TURRET (45 CAL) I~sert t~e following on Page 39, Paragraph 38; Page 41, Paragraph 39: r; \ , , / /. OP 755 CHANGE (151 Rev) 30 October 1944 I Page Page CAUTION:Do not elevate gun after air has been bled from the counterrecoil system with gun at or near the horizontal. 1. During an overhaul of some 16" Slides Mark 5 it was found tha t the locking pins 202214-2 (general arrangement drawing 215645, 16" Slide Mark 4, drawing 231089, 16" Slide Mark 5, and drawing 232188, 16" Slide MarJ5:6, Locking Piece 232376-2) had been damaged and in one slide the pin was sheared. It is believed that damage to the pins was caused by the guns sliding out of battery after air had been bled from the counterrecoil system. 2. Should the air be released from the counterrecoil system while the gun is at or near the horizontal and then eleva ted, the gun will move toward the recoil position and the plunger yoke shoe will strike the studs in the face of the counterrecoil cylinder, stopping the gun but the inertia of the counterrecoil plunger may be sufficient to shear or damage the locking pin. 3. Ship's forces are cautioned not to elevate ahy gun after the air has ·been bled from the counterrecoil system with the gun a t or near the horizontal. I t is believed tha t wi th proper instruction to the ship's forces further damage to the locking pins will be prevented. Requests for additional copies of OP 755 1st Revision, Change 1 should be "submf, tted on NAVORD FOR}I1, ORDNANCEPUBLICATIONSANDFORMSREQUISITION, to the. nearest Ordnance· Publications distribution Center: . Navy Yard, Wash. .25, D,.C.; Adak, Alaska; Mare Island, Calif.; Pearl Harbor, , T.H.; Exeter, England; Espiritu Santo', New He br-Lde-s; Manus Island, Admiralty Islands. Distributio~ Center mailing addresses should be obtained from List 10 nn of the Standard Navy,Distribution List, or from the reverse side of NAVORDFORM1. Standard Navy Distribution List·No. 28 2 copies unless otherwise noted. l. 2. 3. if, I 5. 7. 7. 8. 10. 10. 11. 12. a, b , e*" I h , k, L; \ 5' cjip~es), t'j--J24ples), 11*; d+ ; b* ; a, r, h , k ; (5 copies), j; h*, n (SPECIAL LIST K) ; qq, .S3; (25 copies), nn; a(BuShips, CNO); a, b (Revision 1) * Applicable addressees. - 1 - .:
~~:., .. -,~~!. ~Jt:L' ·,BU' RESTRICTED Ordnance Pamphlet No. 755 I st. Rev. ASSEMBLIES 16-INCH TRIPLE GUN TURRETS (45 CAl.) FOR BATTLESHIPS 55· TO 60 INCL. (U.S.S. NORTH CAROLINA AND CLASS) . DESCRIPTION AND INSTRUCTIONS This publication is RESTRICTED and will be handled in accordance with Article 76, United States Naval Regulations, 1920 December 1941
Page 1: .••• ..J ~L'" ('1ty ";~';'t~l
Page 5 and 6: i· .. ldil Subject Deck lug - - -
Page 7 and 8: VI Maintenance and operating instru
Page 9 and 10: Subject VIII Maintenance and operat
Page 11 and 12: Maintenance and operating instructi
Page 13 and 14: XII Subject Page Sight (cont'd.) Te
Page 15 and 16: Subject Rammer XIV stroking control
Page 17 and 18: PREFACE This edition of Ordnance Pa
Page 19 and 20: 198 to point below a 24 inch diamet
Page 21 and 22: 200 (b) Undervoltage protection.- A
Page 23 and 24: 202 response through gearing rotate
Page 25 and 26: 204 The control link centering spri
Page 27 and 28: 206 (d) B-end drive couplings. - Tw
Page 29 and 30: 208 line (34) to line (35) then int
Page 31 and 32: OUTPUT SHAFT 210 While doing so, ac
Page 33 and 34: 212 (c ) start the electric motor.
Page 35 and 36: CAM ROLLER CLEARANCE SHORT CAM LINK
Page 37 and 38: 216 When this unit is properly asse
Page 39 and 40: 218 Operating Trouble Diagnosis 35.
Page 41 and 42: 220 38. Projectile ring inoperative
Page 43 and 44: 222 yoke completely over. If operat
Page 45 and 46: 224 (C) Hydraulic chatter or hammer
Page 47 and 48: 226 180226-7 and lock washers 19673
Page 49 and 50: , 228 Inasmuch as spring 271718-10
Page 51 and 52: I - 230 Disc plates 271695-5 and 27
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232 THIS PAGE IS BLANK
Page 55 and 56:
234 cylinder piston and attached ra
Page 57 and 58:
236 Motor Data Type - - - - - 60 cy
Page 59 and 60:
238 20. The fulcrwn and cradle asse
Page 61 and 62:
240 ments of piston and cy.l i.nde
Page 63 and 64:
HOIST N~ LOWER SUPPLY TANK LEGEND M
Page 65 and 66:
244 29. Tube pawl control mechanism
Page 67 and 68:
246 32. The hydraulic arrangement o
Page 69 and 70:
248 (C) Latch release. - The latch
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.250 (f) Before operating the hoist
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252 50. Brake adjustment. - Refer d
Page 75 and 76:
254 Fig. 50 - By-Pass Valve Adjustm
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256 without dis~urbing any of the h
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258 3. The components of each of th
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260 The Trunk Upper Door 11. The tr
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262 Powder Car 17. The powder car i
Page 85 and 86:
264 ate and stop the car. when the
Page 87 and 88:
STARTING LEVER SOLENOID "a" ---LJ.J
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268 the dog locking latch (upper do
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270 celera tion, in this method of
Page 93 and 94:
272 39. Control l er . - The contro
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274 18 by 24 inch hatch. The disman
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276 to the linkage which controls t
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278 adjustable control rods. Needle
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280 position. This opens switch 6 a
Page 103 and 104:
282 striction. The limits of adjust
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284 circui t is vented. The venting
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286 to the "E'Lec t.r-Lc aL" contro
Page 109 and 110:
288 ual control. Observe the accura
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290 (a) With the control selector l
Page 113 and 114:
292 (5) Nowadjust the length of the
Page 115 and 116:
294 be lowered at a rate of six inc
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296 HOisting acceleration c am, -Ma
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CAM CLAMP SCREWS LOWERING DECELERAT
Page 121 and 122:
LOWERING ACCELERATION CAM HOISTING
Page 123 and 124:
302 Removethe two screws 196825-7,
Page 125 and 126:
304 and the control rods between th
Page 127 and 128:
306 see whether the faces of the br
Page 129 and 130:
308 (1) The control pump relief val
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310 (8) Excessive leakage in the sy
Page 133 and 134:
312 as whenusing "Ser'vo Electrical
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314 vibration for equipments of thi
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316 opposi te. It is good practice
Page 139 and 140:
318 of assembly and to rm m.mi z e
Page 141 and 142:
320 the end of the short lever 2742
Page 143 and 144:
322 125. To reassemble the valve bl
Page 145 and 146:
324 inspection purposes. The oil is
Page 147 and 148:
326 143. To reassemble the brake ba
Page 149 and 150:
328 154. To remove the oil seal (dr
Page 151 and 152:
330 cylinder bearing pin 274319-1 t
Page 153 and 154:
332 is to be sprung far enough to p
Page 155 and 156:
334 274349-4 over the end of the ro
Page 157 and 158:
I 336 (r) Thereafter proceed as fol
Page 159 and 160:
I 338 (0) Before assembling the cam
Page 161 and 162:
340 181. Safety car stop device cyl
Page 163 and 164:
342 2. Thus t.ur-r-e t sights are p
Page 165 and 166:
344 gun layer's and turret train op
Page 167 and 168:
346 bevel gears are shaft connected
Page 169 and 170:
348 holder except that there is pro
Page 171 and 172:
350 37. The sight angle bevel gear
Page 173 and 174:
352 90 0 adjustable head prism, a c
Page 175 and 176:
354 train, to indicate that the tur
Page 177 and 178:
356 all combinations where both sid
Page 179 and 180:
358 adjustable coupling irnrnediate
Page 181 and 182:
, i I ! 360 scri bed on the s truc
Page 183 and 184:
362 shutter operating mechanism in
Page 185 and 186:
364 INSTALLATION 2. A new hydraulic
Page 187 and 188:
366 The tinning of male threads of
Page 189 and 190:
368 if necessary. Furthermore whene
Page 191 and 192:
370 acteristics shall not be made.
Page 193 and 194:
Page 195 and 196:
374 Appendix I (cont'd) 16-inch Tur
Page 197 and 198:
376 Appendix I (cont'd) 16-inch Tur
Page 199 and 200:
378 Appendix I (cont1d) 16-inch Tur
Page 201 and 202:
380 Appendix I (conttd) 16-inch Tur
Page 203 and 204:
382 AppendlX I (cont'd) 16-inch Tur
Page 205 and 206:
384 Appendix I (cont'd.) l6-inch Tu
Page 207 and 208:
386 Appendix I (contld.) 16-inch Tu
Page 209 and 210:
388 Appendix I (contI d.) 16-inch T
Page 211 and 212:
390 Appendix I (cont'd.) l6-inch Tu
Page 213 and 214:
Chapter VIII references. 392 Symbol
Page 215 and 216:
Page 217 and 218:
396 (h) Adjust micrometer couplings
Page 219 and 220:
398 of sight should cut the target
Page 221 and 222:
Qhapter IX (contrd.). Control gear
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OP-755 Part 2 Pages 197-401 - Personal Page of GENE SLOVER

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