Reichert Refracting Instrument 11637

CAUTION: DO NOT DRIP ANY FLUIDS INTO THE PHOROPTOR OR DAMAGE TO THE INSTRUMENT MAY OCCUR.

CAUTION: DO NOT USE ALCOHOL OR ACETONE. STRONG SOLVENTS CAN DAMAGE THE FINISH.

CAUTION: DO NOT TEST FOR AN OPEN APERTURE BY INSERTING FINGERS IN THE APERTURE AS LENS SURFACES CONTACTED WILL BE SOILED.

Phoroptor covered when not in use

All lens disc apertures are open

Face Shields clean and free of contaminants

All lenses clean and free of dust, fingerprints, etc.

Protective lenses on the front side of the Phoroptor clean

Replacing Lenses in Auxiliary Dial - Old Style Phoroptors

Five lenses in each dial are cell mounted: the retinoscopic, polarizing, both Maddox rods, and fixed cross cylinder lenses are in individual cells permitting substitution of special lenses. Two washers and screws retain each cell.

1. Turn the Auxiliary Dial Knob until one of the two retaining screws is visible in the rear of the main aperture.

2. Turn the screw 1/4 turn counterclockwise- do not remove- until the washer can be rotated to place the flat side of washer toward the cell.

3. Gently retighten the screw.

4. Turn the knob until the other screw and washer are visible in the aperture.

Adjusting Tension of Hinged Reading Rod Holder

The Reading Rod Holder is held in the stored position by a spring clip. The Rod Hinge contains two pins which engage into the clip when moved to the vertical position.

The Reading Rod Hinge is under tension. Occasionally you may want to readjust this tension. To do so:

1. Hold one of the slotted head nuts with a screwdriver.

2. With a second screwdriver tighten the other nut.

3. Periodically the bearing which secures the Reading Rod Holder requires lubrication. Move the holder to the down position for accessibility to oil the hole and add a drop or two of light oil.

Adjustment of Dial Rotation Tension

The sphere lens system, cylinder lens system, and auxiliary lens system all have rolling Index Wheels.