BELL & HOWELL - bh projector 253
Complete service manual for Bell & Howell Design 253 16mm projectors, covering all models (253A, 253AR, 253AX, 253B, 253BRX, 253RX, 253RY). The document provides detailed disassembly and reassembly instructions for various projector sections including cover and lamp mechanisms, reel arms, gearing, motor, blower, and base assembly. A comprehensive reassembly and adjustments section outlines precise procedures for reinstalling shuttle and gearing components, with particular attention to lubrication specifications for each part type. The manual features an extensive troubleshooting guide addressing common issues such as picture flicker, film scratches, soft focus, jumpy picture, and take-up or rewind failures. A final section of operational tests ensures proper projector function following repair work. The illustrated parts catalog lists all serviceable components by part number and model code designation, simplifying identification and ordering of replacement parts for specific projector configurations.
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Document Details
- Format
- Pages
- 24
- Size
- 3.7 MB
- Category
- Cinema & Video