Noisy Treadmill - Life Fitness 4000 Service Manual

Life Fitness Model 4000 Treadmill
TROUBLESHOOTING GUIDE
Malfunction
Rubbing sound from
beneath machine
Rubbing sound from
Striding Belt
Popping sound
Squeaking noise
"Groaning" sound heard
from front of machine
Loud "Groaning" sound
heard from front of
machine while elevating
Probable Cause
Foreign objects may be stuck
under the machine
Striding Belt not tracking
properly
Striding Belt is rubbing on
extrusion or roller pulley
Striding Belt is rubbing on belt
guide
Insufficient break-in period
Wax accumulation on rear
roller
Lifesprings may be out of
alignment
Drive Motor Belt may be worn
or damaged
Drive Motor Pulley shifted
Drive Motor Belt over-
tensioned
Weak Drive Motor/Drive Motor
Software
Faulty Drive Motor
Faulty Lift Actuator

NOISY TREADMILL

Symptom:
Corrective Action
Inspect underneath Belt and Machine. Remove
any debris or accumulation.
Adjust Striding Belt tracking. See "How
To...Adjust and Tension the Striding Belt"
Center Striding Belt. See "How To...Adjust and
Tension the Striding Belt"
Center Striding Belt. See "How To...Adjust and
Tension the Striding Belt"
A new Deck and Striding Belt will require a
break-in period of approx. 20 hours.
Run machine at 4 to 5 MPH to distribute wax
onto Striding Belt.
Reposition the Lifesprings.
Replace Drive Motor Belt.
Check Drive Motor Pulley to insure Pulley is
aligned with Front Roller Pulley. Tighten the
Set Screws to secure the Pulley into place.
Slacken Drive Belt tension (See "How
To...Remove and Replace the Drive Motor
Belt")
Check Drive Motor Flywheel and Software for
compatibility (See Diagnostic Software
Version.
Replace Drive Motor
Perform "Lift Test". (See Diagnostics).
Replace faulty Lift Actuator.
For Assistance:
Call Life Fitness Customer Support Services
1-847-451-0036 or 1-800-351-3737
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