Seat Slide Adjustment Procedure
(See Figures 5 and 6.)
Figure 5. Adjusting the Seat Slide.
The seat slide consists of six wheels (three on each side). The center wheel, if out of
adjustment, will cause looseness or stiffness in the seat slide operation. Figure 5 shows a
side view of the chair slide assembly with the center wheel cap removed for illustration.
Center wheel 3/4 hex head adjustment
Figure 6. Rotating the eccentric cam.
To access the slide adjustment, simply tilt ergometer on its side. Figure 6 shows a
close-up of the slide assembly.
The center wheel on each side is adjustable by rotating the eccentric cam (3/4 hex
head). It is easily, adjusted by turning ergometer on its side and inserting open-end
wrench on to center wheel cam and turning. The outside wheels on each side ride and
on the bottom of the track. The center wheel rides on the upper track.
If the seat has excessive side-to-side play, then the center wheel adjustment should be
rotated so that the wheel just comes in contact with the upper track. Adjustment should
be made to both sides.
If the seat is difficult to slide and there is no side-to-side play, then the center wheel
cam has been over-tightened. Rotate the center wheel cam on each side so that the
center wheel just comes in contact with the upper track. Again, adjustments should be
made to both sides.
— 23 — SERVICE PROCEDURES
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