Rolleiflex SL-66 Stuck Mirror Repair Manual

Comprehensive workshop manual for diagnosing and repairing the Rolleiflex SL66, with detailed focus on the stuck mirror malfunction (raised position) and jammed film advance lever. This repair guide addresses the underlying causes of mechanical failure—primarily lubricant degradation and hardened grease accumulation that develops over years of use. The manual walks through systematic disassembly and unlock procedures, stressing the importance of a complete overhaul (clean, lubricate, and adjust) every five years to prevent these issues. Step-by-step instructions cover removal of the camera body cover, locating the five critical screws on the wind button housing, and accessing the mirror box and cloth shutter assembly. Particular emphasis is placed on the second shutter curtain spring, which commonly disengages and traps the mirror against the viewfinder prism—a frequent cause of this frustrating jam. Throughout, detailed photographs document component positions, before-and-after mechanism conditions, and the precise areas needing careful re-lubrication with appropriate compounds. Practical tips include using thin varnish to lock screws in place during reassembly. The manual stresses acquiring sufficient knowledge before attempting work and avoiding inappropriate lubricants like WD40, which can cause permanent damage to delicate shutter timing and mirror mechanisms.