Common Mechanical Problems And Solutions; Walking Belt; Noises - Nautilus Be Strong Commerical T912 Service Manual

SECTION 5: TROUBLESHOOTING MECHANICAL PROBLEMS

Common Mechanical Problems and Solutions

Table 5–1. Walking Belt
Problem
1 Walking belt is too far to the
left or right.
2 Walking belt slips, but the front
roller turns.
3 Walking belt hesitates. Adjusting
the walking belt tension is
ineffective.
Table 5–2. Noises
Problem
1
There is a grinding sound.
2 Banging noise when the person
is running.
3 There is a squeaking noise when
you walk on the deck.
4 There is a squeaking noise all
the time when the belt is running.
Note: Remove the motor drive belt to isolate if the problem to a roller or the drive motor.
70
Potential Causes
• The belt is tracking
improperly.
• The walk belt tension is
improperly set.
• The motor drive belt is
slipping.
• The VSD is bad.
Potential Causes
• There is a bad roller bearing.
• The motor has a bad bearing.
• One or more compression
mounts are worn (normally
the ones in the front).
• The unit may not be level.
• The deck is contacting the
side rails.
• The motor drive belt is worn.
• The motor drive belt is
misaligned.
• The motor flywheel is
misaligned.
Solutions
• Adjust the tracking. (Refer
to Part 1 to correct the
problem.)
• Adjust the belt tension.
(Refer to Part 1 to correct the
problem.)
• Replace the motor drive belt.
• Adjust the motor drive belt
tension.
• Replace the VSD.
Solutions
• Replace the roller.
• Replace the motor.
• Replace the compression
mounts.
• Check the leveling feet.
• Replace the deck.
• Relace the motor drive belt.
• Make sure the grooves on
the belt are seated correctly
in the grooves on the front
roller pulley and the motor
flywheel.
• Realign the motor flywheel
with respect to the front roller
pulley.