Nautilus Commercial Series TreadClimber TC916, Service Manual

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Nautilus® TreadClimber®, Model TC916 Service Manual
7.0 - Belt tenSIon anD alIGnment
parts affected:
• Left Treadle Assembly - P/N 17623
• Right Treadle Assembly - P/N 17617
• Treadle Belt - P/N - SM17860
tools needed:
• 5/16 Allen bit
Belt alignment and tensioning adjustments (see Figure 1).
NOTE: See Figure 1 for belt and tensioning adjustment
screws. The adjustments are the same on the right
and left side of the machine.
To check for proper belt alignment:
7-1:
Operate TreadClimber® machine so belt is running at
2.5 - 3 mph (4 - 4.8 km/h).
7-2:
Belt is aligned when 1/8” (3.2 mm) of roller is
showing (see Figure 2).
7-3:
Tightening alignment screw clockwise moves belt
out, loosening screw counter-clockwise moves belt
in.
To check for proper belt tension:
7.1-1:
Tension is correct when the gap between the
treadles is even and centered. See Figure 3 for an
example of INCORRECT tension.
7.1-2:
Tighten (clockwise turn) or loosen (counter-
clockwise turn) tensioning adjustment located at
the end of the treadle.
To completely loosen belt if you want to start from
scratch:
7.2-1:
Totally loosen alignment screw by turning counter-
clockwise.
7.2-2:
Loosen tensioning screw by turning counter-
clockwise.
figure 1
figure 2
figure 3
alignment adjustment
Tensioning adjustment
Tension is too tight, treadle guards are
rubbing. To correct loosen tensioning
adjustment screw.
Belts are correctly aligned when
1/8 inch of roller is showing.
mechanIcal ServIce