Bell & Howell - Projector - Filmosound 641 - 642 ... - Cine Information

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Remove upper and lower sprocket guard assemblies and place the sprocket timing plate Tool No. S-09701-F21 over the sprocket hubs. Ensure that the spring loaded claws of the timing plate grip round the edge of the sprocket hubs* To retime the feed (upper) sprocket. Remove the two sprocket setscrews to expose the inner setscrews and loosen the inner setscrews. Rotate the sprocket until the root of one of the sprocket teeth is in contact with the metal stop of the timing plate. Then tighten all four setscrews securely. To retime the take up (lower) sprocket loosen the setscrews (38 Fig. 10) in the hub of the lower sprocket gear (39) and adjust as for the upper sprocket. Then tighten gear setscrews securely. NOTE Sprocket shafts should have approximately 0.003 inch end play when tension washers (40 Fig.44) are completely compressed. 74 K POSITIONING THE SOUNDHEAD (Figure M) Lock the system in the "thread" positior and loosen the three screws (43 and 44/ Fig.42) which attach the soundhead to the main frame casting. Hold the soundhead locating gauge (S-026662 - NIB) and insert carefully between the sound drum (2 Fig.H) and take up sprocket (3) with one end in contact with the rim of the sprocket. Shift the soundhead toward the take-up sprocket until the sound drum bears lightly against the end of the gauge and tighten the soundhead attaching screws. CHECKING EXCITER LAMP COVER CLEARANCE Since the film im*st pass between tfw sound drum and exciter lamp cover, the clearance between these two items should be checked. Insert a 77 drill or a straight piece of 25 wire into the channel between the drum and cover. Gauge should enter the channel with slight friction, but without forcing. If clearance is inad^ ^ucte straighten the exciter cover locating >-.
<strong>Filmosound</strong> 16 mm <strong>Projector</strong> DESIGN 652 .gnrl SERVICE INSTRUCTIONS SECTION 15 AMPLIFIER DATA 75
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Disclaimer The information containe
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Model 642 Filmosound Projector (iii
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Section 3 Reassembly Procedure Page
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GENERAL INTRODUCTION This manual ha
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THE 16 mm Filmosound Projector DESI
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FAULT FINDING GUIDE 3. MISCELLANEOU
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FAULT FINDING GUIDE (Cont'd) TROUBL
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FAULT FINDING GUIDE (Cont'd) TROUBL
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16. DISASSEMBLING SOUND HEAD 18. DI
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16 mm Filmosound Projector DESIGN 6
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the bearing (28) and trigger (29) t
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the loop restorer shaft and below t
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enough to hold. Insert the spring (
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Insert the alignment rod (SER-550-2
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When adjusting Design 642 projector
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48. REWIND CLUTCH ADJUSTMENTS (See
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50. TIMING BELT IDLER ADJUSTMENT Be
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THE 16mm Filmosound Projector DESIG
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disconnected when an external speak
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will show that full power output is
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THE 16mm Filmosound Projector DESIG
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Figure 2. Fllmosound Projector Main
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Figure 3. Filmosound Projector Main
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Figure 4. Filmosound Projector Main
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Figure 5. Front Heel Arm Assembly
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o' / Figure 7. Projection Lampholde
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Figure 9. Sound Head Assembly I I i
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Figure 10. Mechanism Assembly (Shee
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Figure il MECHANISM ASSEMBLY. COMPL
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Figure il MECHANISM ASSEMBLY. COMPL
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Figure il MECHANISM ASSEMBLY, COMPL
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Figurs 14 LENS CARRIER ASSEMBLY Key
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Figure il SPROCKET GUARD ASSEMBLY K
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Figure il BLOWER ASSEMBLY Part No.
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I LL 1 2 3 4 5 6 7 8 9 10 1 1 12 13
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lOKn 3-9KP. Figure 21. Design 641 A
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2 J 4 12 13 I H IS U ]7 18 19 20 21
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-a L-J *—5—fi 9 8 13 12 15 16 1
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Circuit Ref. Description R1 Resisto
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| Function Switch Pos»Tiof« I (
Page 89 and 90: JL ITC Wiring Diagram
Page 91 and 92: I Figure 26. 641 Amplifier - Circui
Page 93 and 94: ]Q - RJ3 R 26 CED 4 H R27 L C cp )
Page 95 and 96: Model 644 Filmosound Projector 49
Page 97 and 98: Filmosound 16 mm Projectors DESIGNS
Page 99 and 100: MAGNETIC SOUND SYSTEM TROUBLES AND
Page 101 and 102: GENERAL INSTRUCTIONS Carry out the
Page 103 and 104: ADJUSTMENTS The following adjustmen
Page 105 and 106: 1 Hum bucking loop from head plug b
Page 107 and 108: Filmosound 16 mm Projectors DESIGNS
Page 109 and 110: The oscillator frequency is approx.
Page 111 and 112: Figure 32 PROJECTOR MAIN PLATE (1)
Page 115 and 116: Figure 33A PROJECTION LAMPHOLDER AS
Page 121 and 122: Figure 36 LENS CARRIER ASSEMBLY Key
Page 123 and 124: Key No. 1 3A 3B 4A 10 % 10A @ 10B @
Page 125 and 126: Figure 37 cont. 49 Switch, Magnetic
Page 127 and 128: WAF^H tWirCH CONNECTION)! DESIGN 64
Page 129 and 130: DESIGN 652 Filmosound 16 mm Project
Page 131 and 132: Filmosound 16 mm Projector DESIGN 6
Page 133 and 134: Filmosound 16 mm Projector DESIGN 6
Page 135 and 136: Figure K. Autoload System Adjustmen
Page 137 and 138: Fig. L TIMING THE SPROCKETS
Page 139: Fig.M. POSITIONING THE SOUND HEAD
Page 143 and 144: AMPLIFIER PART NO.027097 Four fuses
Page 145 and 146: Design 652 Figure 42 PROJECTOR MAIN
Page 147 and 148: Design 652 Figure 43 SOUND HEAD ASS
Page 149 and 150: Figure 44 652 MECHANISM ASSEMBLY CO
Page 151 and 152: Figure 45 652 MECHANISM ASSEMBLY CO
Page 153 and 154: 652 MECHANISM ASSEMBLY COMPLETE con
Page 155 and 156: Figure 46 Mechanism Assembly (3)
Page 157 and 158: Figure 47. Aperture Plate Assembly
Page 159 and 160: Figure 48, Lens Carrier Assembly
Page 161 and 162: Figure 49 Sprocket Guard Assembly (
Page 163: SYM: VALUE PACT MO 21 33o
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Bell & Howell - Projector - Filmosound 641 - 642 ... - Cine Information

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