Nautilus BE STRONG E916 Service Manual - page 34
4
mechanical Troubleshooting
Table3–4.Noises
Problem
Potentialcauses
Solutions
2
There is a clunking feeling or
noise when running on the
machine (once per revolution).
• The crank arm is loose.
• Tighten the screws securing
the crank arm and foot plate.
Replace if the screws are
broken.
• Set screws in the drive pulley
are loose.
• Tighten the set screws.
3
There is a rubbing noise.
• The pod cover is hitting the
drivetrain cover.
• Verify that the snap ring
securing the eccentric crank
arm to the crank arm is flush
against the back side of the
crank arm.
• The crank cover is hitting the
drivetrain cover.
• Tighten the srews securing
the crank cover to the crank
arm.
4
There is a squeak where the the
connectig arm and swing arm
join.
• There is possible rust on the
swing arm shaft.
• Clean the rust off the shaft
using #000 steel wool.
5
Noise is coming from the drive
belt.
• The drive belt is not tracking
correctly on either the drive
pulley or the intermediate
pulley.
• Center the drive belt, making
sure it rides correctly in the
grooves on the drive and
intermediate pulleys.
• Make sure the set screws
securing the main drive
pulley shaft are tight.
• The drive belt is worn.
• Replace the drive belt.
• The intermediate pulley is
cracked, causing the drive
belt not to track correctly.
• Replace the intermediate
pulley.
Table3–5.Resistance
Problem
Potentialcauses
Solutions
1
There is no resistance.
• The drive pulley is loose.
• The belt has come off the
drive or the alternator.
• The alternator is bad.
• See the Electrical
Troubleshooting guide.