[glennpm]

HOW TO SHIFT the Columbia OVERDRIVE AXLE

The shift to either Overdrive or Standard ratio is
SEMI-AUTOMATIC. It is electrically controlled
and can be made at the will of the driver, ac any car
speed.

TO SHIFT TO OVERDRIVE

Pull knob out Depress OVERDRIVE selector, and holding it
in this position, release pressure on accelerator and
fully depress clutch pedal. Allow clutch to re-engage
gradually and smoothly, then release selector.

TO SHIFT TO STANDARD RATIO

Push knob in The shift is AUTOMATICALLY selected, and completed
by merely depressing clutch pedal to floor, and allowing clutch to re-engage gradually and smoothly.

NOTE: Before coming to a complete stop, when in overdrive ratio, push knob in, depress clutch pedal to floor to ensure a complete engagement of the axle into
the standard axle ratio.

The shift to either OVERDRIVE or STANDARD
ratio should always be made while car is in motion.
If a shift is attempted when car is not in motion, the
shifting clutch in the axle may not engage, resulting
in a ratcheting noise when the engine clutch is
engaged. To engage the axle, shift transmission
into reverse gear and partially re-engage engine
clutch.

Glenn