Adjustments - Eiki ESL SERIES Service Manual

A. Description
In the rewind function, the film path is opened allowing the film only to contact the four
film guide rollers. At the same time the rewind control arm moves the rewind drive gear (14)
towards the opposite mating driven gear (22) which in turn drives the set collar (19) via a
cork clutch plate which drives the pulley shaft, arm belt and arm spindle assy. When the drive
gears are engaged, the function control switches the motor's direction and energizes the main
drive motor.
The large drive gear tension spring (15) provides the tension keeping the drive gears A (14) &
B (22) from engaging during forward. The smaller back tension spring (17) maintains a small
amount of back tension to the supply reel. The rewind spring (24) sets up the rewind clutch
tension by supplying pressure to the sleeve plate (23) the cork clutch liners (21) which in
turn transmits the rewind drive from drive gear A to Band to the drive pulley shaft, belt and
spindle. (Fig. #93)
B. Adjustments
1. Rewind Mechanism
A 0.5mm clearance between the two mating drive gears is critical for correct rewind
engagement. This distance is maintained by fiber washers as indicated, adding or subtract-
ing washers as may be necessary to accomplish the desired clearance. Too much clearance
will result in improper mating of the gears and will damage the gears. Too close a clearance
will cause the gears to contact in forward, resulting in abnormal gear wear and noise. With
the correct fiber washers the clutch springs should be compressed with the set collar
pushed all the way towards drive gear A and secured with the set screw. (Fig. #95)
2. Rewind Spring Adjustment
The knurled nut (25) adjusts the rewind torque. Excessive rewind torque will cause the
motor belt to slip when rewinding a large full reel; too little rewind torque will not rewind
a large 2000' reel. The correct adjustment must reduce the space between the clutch hub
and knurled nut to be less than the thickness of the adjusting spring.
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