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INDEX

A - END 198
 
A - END CONTROL UNIT
Description 149
Explanation of operation 151
 
B - END 202
 
BORESIGHTING 525
 
BREECH MECHANISM
Breechblock 63
Cam plate retractor 67
Extractors 67
Firing mechanism 67
Hand closing latch 66
Operating shaft cam plate 67
Salvo latch 66
Sear 68
 
CARRIAGE
Adjustments 131
Base ring 124
Components 121
Firing stop mechanism 126
Foot firing mechanism 126
Maintenance 129
Servicing 131
Trouble analysis 132
 
CASE DEFLECTION CHUTE 540
 
CASUALTY OPERATION 53
 
COMMUNICATION CIRCUITS 581
 
CONTROLLERS, ELECTRICAL 556
 
COUNTERRECOIL MECHANISM 70
 
CREW, MOUNT
Duties 32
Organization 30
Stations 30
 
ELECTRICAL EQUIPMENT
Major Components 551
Maintenance 584
 
ELECTRICAL POWER SYSTEM 553
 
ELEVATING GEAR
Adjustments 156
A - end control unit 149
Auxiliary pumps reduction gear 149
Components 141
Data 142
Disassembly 159
Elevation handwheel drive 146
Explanation of manual drive 152
Gearing components 141
Gunfire reaction compensation 156
 
ELEVATING GEAR - Cont'd.  
Main reduction gear 148
Maintenance 156
Manual drive procedure 152
Trouble analysis 159
 
EQUIPMENT
Electrical 551
Hydraulic 611
Mount 6
 
FIRE CONTROL
General types 29
Circuits 580
 
FIRING CIRCUIT 568
 
FIRING MECHANISM See BREECH MECHANISM
 
FIRING OPERATIONS 49
 
FIRING STOP MECHANISM
Description 126
Explanation of operation 128
Electrical details 568
 
FOOT FIRING MECHANISM 126
 
FUZE SETTER
Description 320
Disassembly 340
 
FUZE SETTING INDICATOR - REGULATOR
Adjustment 465, 500
Dials and indicators 449, 475
Disassembly 467, 503
Early type 447
Electrical system 459, 486
Explanation of operation 459, 487
Follow - up heads 450, 477
Limit stop mechanism 456, 481
Maintenance 464, 490
New type 473
Overload device 456, 481
Pilot motor 453
Power control head 454, 477
Power control synchro 477
Power motor 453, 480
Selector 459, 486
Trouble analysis 464, 499
 
GAS EJECTOR 72
 
GUN
Adjustments 86
Data 58
Disassembly 89
Explanation of operation 75
Maintenance 79
Operating instructions 82
Servicing 85
Trouble analysis 89


624
 
GUNFIRE REACTION COMPENSATION 156
 
GUN PORT SEALS 541
 
HEATERS, SPACE 565
 
HOIST DRIVE UNIT
Northern Ordnance type 374
Vickers type 346
 
HOUSING, GUN 61
 
INDICATOR - REGULATOR, FUZE SETTING See FUZE SETTING INDICATOR-REGULATOR
 
INDICATOR - REGULATOR, POWER DRIVE
Adjustments 273, 278
Auxiliary devices 251
Coarse pilot valve block 234
Components 229
Control equipment 226
Differential cam assembly 230
Disassembly 307
Explanation of actions 236
Explanation of fine pilot valve action 233
Explanation of operation of auxiliary devices 254
Fluid leakage 269
Installation 301
Local control friction drive 229
Parallax correction mechanism 225
Relief cam assembly 230
Roller path compensator 225
Synchro motors 230
Synchro power failure device 229
Indicating equipment 217
Regulating valve action 254
Regulator valve block 233
Relief valve action 254
Speed data 215
Synchronizing control device 240
Valves in valve block 234
 
LIGHTING CIRCUIT 572
 
LUBRICATION INSTRUCTIONS 617
 
MAINTENANCE
Hydraulic equipment 611
Electrical equipment 584
 
MOTORS, ELECTRICAL 554
 
MOUNT
Crew See CREW
Data 619
Equipment 6
Structure 1
 
PARALLAX CORRECTION 267
 
POWDER HOIST
Adjustments 402
Controls 398
Disassembly 405
Explanation of operation 401
Maintenance 401
Manual drive 397
Sprockets and chains 396
 
POWDER HOIST POWER DRIVE
Adjustments 423, 443
Disassembly 424, 445
Explanation of operation 412, 433
Hoist drive unit 408, 429
Maintenance 419, 440
Northern Ordnance type 427
Servicing 420, 440
Trouble analysis 420, 441
Vickers type 407
 
POWER DRIVE, POWDER HOIST See POWDER HOIST POWER DRIVE
 
POWER DRIVE, PROJECTILE HOIST See PROJECTILE HOIST POWER DRIVE
 
POWER DRIVES
Adjustments 271
A - end 198
Auxiliary devices 204
Auxiliary pumps 202
Casualty procedure 268
Check - off lists 271
Controller 186
Control pressure system 266
Disassembly 302
Exercise operation 271
Explanation 01 automatic control 265
Explanation of hand control 261
Explanation of local control 265
Hydraulic power transmission data 197
Hydraulic transmission system 196
Indicator - regulator See INDICATOR-REGULATOR
Main cylinder 201
Maintenance 270
Parallax correction instructions 267
Power motor data 186
Precautions during operation 267
Procedure for selecting type of control 267
Securing procedure 268
Servicing 269
Tests 297
Trouble analysis 298
 
PROJECTILE HOIST
Adjustments 330
Components 315
Controls 323
Data 316


625
 
PROJECTILE HOIST - cont'd.
Disassembly 340
Explanation of operation 326
Fuze setter 320
Maintenance 328
Power drive 316
Trouble analysis 329
 
PROJECTILE HOIST POWER DRIVE
Adjustments 364, 389
Disassembly 367, 391
Explanation of operation 350, 401
Hand drive unit 348, 379
Hoist drive unit 346, 374
Hydraulic brake 348, 379
Maintenance 359, 386
Northern Ordnance type 371
Servicing 360, 386
Trouble analysis 360, 387
Vickers type 343
 
RAMMER
Adjustments 117
Controls 104
Crosshead 102
Data 102
Disassembly 119
Explanation of operation 109
Interlock 104
Maintenance 115
Servicing 115
Shell guard 102
Trouble analysis 118
Power drive 105
 
RECOIL MECHANISM 69
 
SAFETY LINK BRACKET 69
 
SAFETY PRECAUTIONS 621
 
SECURING OPERATIONS 55
 
SHIELD
Data 548
Disassembly 547
Maintenance 545
 
SIGHTS
Adjustments 525
Bore sighting 525
Disassembly 529
 
SIGHTS - Cont'd.
Gearing 519
Maintenance 524
Mount captain's open sight 521
Operation 523
Sight setter's indicator 513
Telescope 510
 
SIGHT SETTER'S INDICATOR 513
 
SLIDE
Components 97
Data 95
Gun port shield 99
Safety link device 99
 
STAND
Components 135
Data 135
Lifting jacks 136
Maintenance 138
Roller bearings 136
Roller paths 136
Training circle 136
 
STARTING OPERATIONS 46
 
SYNCHRONIZING CONTROL DEVICE 240
 
TELESCOPE 510
 
TOOLS AND ACCESSORIES 587
 
TRAIN HANDWHEEL DRIVE ASSEMBLY 167
 
TRAINING GEAR
Adjustments 178
A-end control unit 171
Auxiliary pumps reduction gear 171
Components 164
Data 165
Disassembly 181
Explanation of manual drive 174
Gearing components 165
Main reduction gear 169
Manual drive procedure 178
Train handwheel drive assembly 167
Trouble analysis 181
 
VENTILATING SYSTEM 543
 
WINDOW WIPER 511, 577


626
 
DISTRIBUTION
SNDL Part 1 (No. 68) and Part 2 (No. 26)
Two copies each unless otherwise excepted:

21; 22; 23; 24A, 24C, 24E, 24F, 24H; 26H, 26U; 28A, 28B, 28C, 28D;
29A, 29B, 29E, 29G, 29M(DD 692, 693, 694, 696, 697, 698, 699,
700, 701, 702, 703, 704, 705, 706, 707, 708, 709, 710, 716,
717, 718, 722, 723, 724, 725, 727, 728, 729, 730, 731, 732,
734, 744, 745, 746, 747, 748, 752, 753, 754, 755, 756, 757,
758, 759, 760, 761, 762, 763, 770, 775, 776, 777, 778, 779,
780, 781, 782, 783, 785, 786, 787, 788, 789, 790, 821, 822,
823, 826, 836, 837, 839, 840, 841, 843, 844, 845, 846, 848,
849, 850, 851, 852, 853, 857, 862, 864, 865, 866, 867, 868,
869, 872, 884, 885, 886, 887, 890), 29N(DDE 719, 764, 765, 818,
819, 820, 824, 847, 858, 859, 860, 861, 871); 29-0, 29P; 30D;
32K(AGB 4, WAGB 282); 32S; A3(CNO); A5(BUSHIPS); G8G; J3, J12,
J37(Bainbridge, Great Lakes), J60; K2A(Crane), K5A, K5B, K12(5 copies);
L1, L2, L19, L40; M46.

Requests for additional copies of OP 805 (First Revision) should be submitted to the Servicing Forms and Publications Supply Point.

19 April 1957/2400/1

U. S. GOVERNMENT PRINTING OFFICE: 1957 0 -426946


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