Life Fitness Weekly Service Manual page 131

Stride System
Striding belt slips during footfall
Possible Cause
Striding belt slips on front
roller during stall test.
Knocking sound
Possible Cause
Faulty front and/or rear
roller bearings
Wax build-up on rear roller
Treadmill not leveled
Lifesprings incorrectly
positioned and / or have
loose mounting hardware
Squeaking noise
Possible Cause
Drive motor belt may be
worn or damaged
Worn or damaged drive
motor belt
Drive motor pulley and
front roller pulley
misaligned
Loud groaning on footfall
Possible Cause
High friction between deck
and striding belt
Striding belt not centered or traveling close to roller edges
Possible Cause
Treadmill not level
Striding belt not within belt
barriers
Corrective Action
Check striding belt and re-tension as necessary.
Do the two mph stall test by stomping on the striding belt hard at two mph. If the front
roller spins when the striding belt momentarily stops the belt tension must be
increased.
Corrective Action
Inspect rollers for binding or roughness. Replace
necessary.
Run unit for 10 hours to break-in the treadmill, or clean the roller as necessary.
Level treadmill by adjusting the leg levelers.
Inspect Lifesprings and mounting hardware and reposition or tighten.
Corrective Action
Replace Drive Motor Belt.
Inspect the Drive Motor Belt
Align pulleys as described in
Corrective Action
Set unit to 15% incline. While standing on striding belt close to the Ergo bar push off
Ergo bar. If steady continuous sliding occurs down the incline, the belt / deck wear is
acceptable. If sliding is not continuous replace
deck has never been flipped before).
Corrective Action
Level treadmill by adjusting the leg levelers.
Position striding belt inside belt barrier on both sides of the frame.
Page 129 of 143
Front Roller
for damage or wear and replace if necessary.
Drive Motor.
Striding Belt and Deck
or Rear Roller if
(or flip deck if