Noise Issues - Nautilus T618 Service Manual

Noise Issues

BEGIN HERE
Is the noise a
thump/bump that
happens once per
revolution?
NO
Start a manual
workout and advance
the speed to 2.0 mph. Is
the noise
present?
NO
Does the sound
happen only when
walking?
NO
Shut machine off and
check Levelers to ensure
machine is not rocking.
Adjust Levelers so that
machine is secure.
Replace Drive Motor
About Noises:
A "thumping" noise is
normal for a new machine
or new Walking Belt, and
will go away with with use.
This is caused by the Belt
conforming to the Rollers
and having a "flat spot" on
it.
If the noise only happens
YES
when the user is walking
on the machine, have a
2nd user walk on the
machine while the user
locates the source of the
noise.
Move around the machine
YES
and listen for location of
noise.
Check and tighten Deck
Bolts.
YES
Replace Deck if it persists.
Shut off machine and wait
5 minutes. Remove Motor
Cover. Turn machine back
on and listen for noise.
DRIVE
MOTOR
Is noise from Front
Roller or Drive
Motor?
FRONT
ROLLER
Replace Front Roller
Does noise come
from Rear Roller?
NO
MOTOR
Is noise coming
COVER
from under machine or
from inside Motor
Cover?
UNDERNEATH
Shut off machine and
check underneath for
something making contact
with the Belt. Remove any
obstruction.
Obstruction removed
18
YES
Replace Rear Roller