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Maintaining the Low Impact Treadmills
7
The M9.21i or M9.21si Low Impact Treadmill requires little maintenance to keep it running
smoothly and efficiently. However, the customer is responsible for the typical maintenance tasks
such as, cleaning the treadmill and adjusting the running belt. If you fail to maintain the treadmill
as described below, it could affect or void the limited warranty.
Cleaning the Equipment
Your Precor treadmill relies on low friction for efficient operation. To keep the friction low, the
treadmill must be as clean as possible.
Before a workout, use a damp, soft, clean cloth to clean the side platforms and running bed, (refer
to Diagram 17 on page 33). This helps to remove any dirt or dust that might affect the smooth
operation of the treadmill.
Vacuum the floor underneath the unit every week to prevent the accumulation of dust and dirt on
the running belt.
To periodically clean the treadmill’s frame, electronic console, and running belt, use a solution of
mild soap and water and dampen a clean cloth. To clean the running belt and the groves on the
plastic trim strip, use a soft nylon scrub brush. Never pour water or spray liquids on the electronic
console. Allow the treadmill to dry completely before using it.
Manually advance the running belt to clean the opposite side. Do not clean the belt while the
running belt is moving. Liquid can splash onto the motor causing damage to the equipment and
possibly injuring you.
The Precor Heart Rate Option equipment requires little maintenance beyond keeping it dust free
and cleaning the chest strap with mild soap and water. Use a damp sponge or soft cloth to clean
the chest strap. Dry the surface thoroughly with a clean towel.
Changing the Battery in the Chest Strap
Some Precor Heart Rate Option’s chest straps come equipped with a battery. Others are the
disposable variety. If you have a battery-type chest strap, the signs that the battery is low and
needs to be replaced include:
• erratic heart rate display • no heart rate display appears
To replace the battery, take the following steps:
1. Use a quarter or flathead screwdriver to open the battery case located between the two
electrode strips on the chest strap. See Diagram 16. Set the battery cover aside.
CAUTION: Turn OFF the treadmill and discon-
nect the power cord before performing most
maintenance tasks.
CAUTION: Do not use an abrasive cleaner on
the strap. Do not immerse any part of the chest
strap. Do not spray or pour liquids on any part
of the equipment.
Diagram 16
Changing the battery
Battery case